Miller | LC697894 | Owner Manual | Miller MAXSTAR 200 STR User manual

Miller MAXSTAR 200 STR User manual
OM-2233
203 409L
October 2003
Processes
TIG (GTAW) Welding
Stick (SMAW) Welding
Description
115/230/400/460 Volt Models W/Autoline
Arc Welding Power Source
Maxstar 200 STR
And Non-CE Models
Visit our website at
www.MillerWelds.com
From Miller to You
Thank you and congratulations on choosing Miller. Now you can get
the job done and get it done right. We know you don’t have time to do
it any other way.
That’s why when Niels Miller first started building arc welders in 1929,
he made sure his products offered long-lasting value and superior
quality. Like you, his customers couldn’t afford anything less. Miller
products had to be more than the best they could be. They had to be the
best you could buy.
Today, the people that build and sell Miller products continue the
tradition. They’re just as committed to providing equipment and service
that meets the high standards of quality and value established in 1929.
This Owner’s Manual is designed to help you get the most out of your
Miller products. Please take time to read the Safety precautions. They
will help you protect yourself against potential hazards on the worksite.
We’ve made installation and operation quick
and easy. With Miller you can count on years
of reliable service with proper maintenance.
And if for some reason the unit needs repair,
there’s a Troubleshooting section that will
help you figure out what the problem is. The
Miller is the first welding parts list will then help you to decide the
equipment manufacturer in exact part you may need to fix the problem.
the U.S.A. to be registered to
the ISO 9001:2000 Quality Warranty and service information for your
System Standard.
particular model are also provided.
Miller Electric manufactures a full line
of welders and welding related equipment.
For information on other quality Miller
products, contact your local Miller distributor to receive the latest full
line catalog or individual catalog sheets. To locate your nearest
distributor or service agency call 1-800-4-A-Miller, or visit us at
www.MillerWelds.com on the web.
Mil_Thank 7/03
Working as hard as you do
− every power source from
Miller is backed by the most
hassle-free warranty in the
business.
TABLE OF CONTENTS
SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1. Symbol Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2. Arc Welding Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3. Additional Symbols For Installation, Operation, And Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4. California Proposition 65 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5. Principal Safety Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-6. EMF Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 2 − CONSIGNES DE SÉCURITÉ − À LIRE AVANT UTILISATION . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1. Signification des symboles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2. Dangers relatifs au soudage à l’arc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3. Autres symboles relatifs à l’installation, au fonctionnement et à l’entretien de l’appareil. . . . . . . . . . . .
2-4. Principales normes de sécurité . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5. Information sur les champs électromagnétiques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 3 − DEFINITIONS (CE Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1. Warning Label Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2. Manufacturer’s Rating Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3. Symbols And Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 4 − INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2. Volt-Ampere Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3. Duty Cycle And Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4. Selecting A Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-5. Weld Output Terminals And Selecting Cable Sizes* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-6. Remote 14 Receptacle Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-7. TIG Lift-Arc DCEN (Direct Current Electrode Negative) Connections . . . . . . . . . . . . . . . . . . . . . . . . . .
4-8. Stick DCEP (Direct Current Electrode Positive) Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-9. Electrical Service Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-10. Connecting Input Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 5 − OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1. Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2. Process Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3. Lift-ArcE Start Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-4. Stick Start Procedure − Scratch Start Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-5. Amperage Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-6. DIG Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 6 − MAINTENANCE AND TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1. Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2. Blowing Out Inside Of Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3. Troubleshooting Help Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-4. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 7 − ELECTRICAL DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 8 − SELECTING AND PREPARING
TUNGSTEN ELECTRODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-1. Selecting Tungsten Electrode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-2. Safety Information About Tungsten . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-3. Preparing Tungsten For AC Or DC Electrode Negative (DCEN) Welding . . . . . . . . . . . . . . . . . . . . . . .
SECTION 9 − GUIDELINES FOR TIG WELDING (GTAW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-1. Positioning The Torch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-2. Torch Movement During Welding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-3. Positioning Torch Tungsten For Various Weld Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 10 − STICK WELDING (SMAW) GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-1. Stick Welding Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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10-2. Electrode and Amperage Selection Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-3. Striking an Arc − Scratch Start Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-4. Striking an Arc − Tapping Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-5. Positioning Electrode Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-6. Poor Weld Bead Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-7. Good Weld Bead Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-8. Conditions That Affect Weld Bead Shape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-9. Electrode Movement During Welding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-10. Butt Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-11. Lap Joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-12. Tee Joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-13. Weld Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-14. Troubleshooting − Porosity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-15. Troubleshooting − Excessive Spatter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-16. Troubleshooting − Incomplete Fusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-17. Troubleshooting − Lack Of Penetration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-18. Troubleshooting − Excessive Penetration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-19. Troubleshooting − Burn-Through . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-20. Troubleshooting − Waviness Of Bead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-21. Troubleshooting − Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 11 − PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OPTIONS AND ACCESSORIES
WARRANTY
34
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Declaration of Conformity For
European Community (CE) Products
NOTE
This information is provided for units with CE certification (see rating label on unit.)
Miller Electric Mfg. Co.
Manufacturer’s Name:
1635 W. Spencer Street
Appleton, WI 54914 USA
Manufacturer’s Address:
Declares that the product:
Maxstar 200 STR
conforms to the following Directives and Standards:
Directives
Low Voltage Directive: 73/23/EEC
Machinery Directives: 89/392/EEC, 91/368/EEC, 93/C 133/04, 93/68/EEC
Electromagnetic Capability Directives: 89/336, 92/31/EEC
Standards
Safety Requirements for Arc Welding Equipment part 1: EN 60974-1: 1990
Arc Welding Equipment Part 1: Welding Power Sources: IEC 974-1
(December 1996 − Draft revision)
Degrees of Protection provided by Enclosures (IP code): IEC 529: 1989
Insulation coordination for equipment within low-voltage systems:
Part 1: Principles, requirements and tests: IEC 664-1: 1992
Electromagnetic compatibility (EMC) Product standard for arc welding equipment:
EN50199: August 1995
European Contact:
Telephone:
Fax:
dec_con1 10/95
Mr. Danilo Fedolfi, Managing Director
ITW WELDING PRODUCTS ITALY S.r.l.
Via Privata Iseo 6/E
20098 San Giuliano
Milanese, Italy
39(02)98290-1
39(02)98290-203
SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING
som _8/03
1-1. Symbol Usage
Means Warning! Watch Out! There are possible hazards
with this procedure! The possible hazards are shown in
the adjoining symbols.
This group of symbols means Warning! Watch Out! possible
ELECTRIC SHOCK, MOVING PARTS, and HOT PARTS hazards.
Consult symbols and related instructions below for necessary actions
to avoid the hazards.
Marks a special safety message.
Means “Note”; not safety related.
1-2. Arc Welding Hazards
The symbols shown below are used throughout this manual to
call attention to and identify possible hazards. When you see
the symbol, watch out, and follow the related instructions to
avoid the hazard. The safety information given below is only
a summary of the more complete safety information found in
the Safety Standards listed in Section 1-5. Read and follow all
Safety Standards.
If earth grounding of the workpiece is required, ground it directly
with a separate cable.
Only qualified persons should install, operate, maintain, and
repair this unit.
Wear a safety harness if working above floor level.
Keep all panels and covers securely in place.
During operation, keep everybody, especially children, away.
Clamp work cable with good metal-to-metal contact to workpiece
or worktable as near the weld as practical.
Do not touch electrode if you are in contact with the work, ground,
or another electrode from a different machine.
Use only well-maintained equipment. Repair or replace damaged
parts at once. Maintain unit according to manual.
Insulate work clamp when not connected to workpiece to prevent
contact with any metal object.
ELECTRIC SHOCK can kill.
Touching live electrical parts can cause fatal shocks
or severe burns. The electrode and work circuit is
electrically live whenever the output is on. The input
power circuit and machine internal circuits are also
live when power is on. In semiautomatic or automatic wire welding, the
wire, wire reel, drive roll housing, and all metal parts touching the
welding wire are electrically live. Incorrectly installed or improperly
grounded equipment is a hazard.
Do not connect more than one electrode or work cable to any
single weld output terminal.
SIGNIFICANT DC VOLTAGE exists after removal of
input power on inverters.
Turn Off inverter, disconnect input power, and discharge input
capacitors according to instructions in Maintenance Section
before touching any parts.
Do not touch live electrical parts.
Wear dry, hole-free insulating gloves and body protection.
Insulate yourself from work and ground using dry insulating mats
or covers big enough to prevent any physical contact with the work
or ground.
Do not use AC output in damp areas, if movement is confined, or if
there is a danger of falling.
Use AC output ONLY if required for the welding process.
If AC output is required, use remote output control if present on
unit.
Disconnect input power or stop engine before installing or
servicing this equipment. Lockout/tagout input power according to
OSHA 29 CFR 1910.147 (see Safety Standards).
Properly install and ground this equipment according to its
Owner’s Manual and national, state, and local codes.
Keep your head out of the fumes. Do not breathe the fumes.
Always verify the supply ground − check and be sure that input
power cord ground wire is properly connected to ground terminal in
disconnect box or that cord plug is connected to a properly
grounded receptacle outlet.
When making input connections, attach proper grounding conductor first − double-check connections.
Frequently inspect input power cord for damage or bare wiring −
replace cord immediately if damaged − bare wiring can kill.
Turn off all equipment when not in use.
Do not use worn, damaged, undersized, or poorly spliced cables.
Do not weld in locations near degreasing, cleaning, or spraying operations. The heat and rays of the arc can react with vapors to form
highly toxic and irritating gases.
Do not drape cables over your body.
FUMES AND GASES can be hazardous.
Welding produces fumes and gases. Breathing
these fumes and gases can be hazardous to your
health.
If inside, ventilate the area and/or use exhaust at the arc to remove
welding fumes and gases.
If ventilation is poor, use an approved air-supplied respirator.
Read the Material Safety Data Sheets (MSDSs) and the
manufacturer’s instructions for metals, consumables, coatings,
cleaners, and degreasers.
Work in a confined space only if it is well ventilated, or while
wearing an air-supplied respirator. Always have a trained watchperson nearby. Welding fumes and gases can displace air and
lower the oxygen level causing injury or death. Be sure the breathing air is safe.
Do not weld on coated metals, such as galvanized, lead, or
cadmium plated steel, unless the coating is removed from the weld
area, the area is well ventilated, and if necessary, while wearing an
air-supplied respirator. The coatings and any metals containing
these elements can give off toxic fumes if welded.
Return To Table Of Contents
OM-2233 Page 1
ARC RAYS can burn eyes and skin.
BUILDUP OF GAS can injure or kill.
Shut off shielding gas supply when not in use.
Always ventilate confined spaces or use
approved air-supplied respirator.
Arc rays from the welding process produce intense
visible and invisible (ultraviolet and infrared) rays
that can burn eyes and skin. Sparks fly off from the
weld.
Wear a welding helmet fitted with a proper shade of filter to protect
your face and eyes when welding or watching (see ANSI Z49.1
and Z87.1 listed in Safety Standards).
HOT PARTS can cause severe burns.
Wear approved safety glasses with side shields under your
helmet.
Use protective screens or barriers to protect others from flash and
glare; warn others not to watch the arc.
Wear protective clothing made from durable, flame-resistant material (leather and wool) and foot protection.
Do not touch hot parts bare handed.
Allow cooling period before working on gun or
torch.
MAGNETIC FIELDS can affect pacemakers.
WELDING can cause fire or explosion.
Pacemaker wearers keep away.
Wearers should consult their doctor before
going near arc welding, gouging, or spot
welding operations.
Welding on closed containers, such as tanks,
drums, or pipes, can cause them to blow up. Sparks
can fly off from the welding arc. The flying sparks, hot
workpiece, and hot equipment can cause fires and
burns. Accidental contact of electrode to metal objects can cause
sparks, explosion, overheating, or fire. Check and be sure the area is
safe before doing any welding.
Protect yourself and others from flying sparks and hot metal.
Do not weld where flying sparks can strike flammable material.
Remove all flammables within 35 ft (10.7 m) of the welding arc. If
this is not possible, tightly cover them with approved covers.
Be alert that welding sparks and hot materials from welding can
easily go through small cracks and openings to adjacent areas.
Watch for fire, and keep a fire extinguisher nearby.
Be aware that welding on a ceiling, floor, bulkhead, or partition can
cause fire on the hidden side.
Do not weld on closed containers such as tanks, drums, or pipes,
unless they are properly prepared according to AWS F4.1 (see
Safety Standards).
Connect work cable to the work as close to the welding area as
practical to prevent welding current from traveling long, possibly
unknown paths and causing electric shock and fire hazards.
Do not use welder to thaw frozen pipes.
Remove stick electrode from holder or cut off welding wire at
contact tip when not in use.
Wear oil-free protective garments such as leather gloves, heavy
shirt, cuffless trousers, high shoes, and a cap.
Remove any combustibles, such as a butane lighter or matches,
from your person before doing any welding.
FLYING METAL can injure eyes.
Welding, chipping, wire brushing, and grinding
cause sparks and flying metal. As welds cool,
they can throw off slag.
Wear approved safety glasses with side
shields even under your welding helmet.
OM-2233 Page 2
NOISE can damage hearing.
Noise from some processes or equipment can
damage hearing.
Wear approved ear protection if noise level is
high.
CYLINDERS can explode if damaged.
Shielding gas cylinders contain gas under high
pressure. If damaged, a cylinder can explode. Since
gas cylinders are normally part of the welding
process, be sure to treat them carefully.
Protect compressed gas cylinders from excessive heat, mechanical shocks, slag, open flames, sparks, and arcs.
Install cylinders in an upright position by securing to a stationary
support or cylinder rack to prevent falling or tipping.
Keep cylinders away from any welding or other electrical circuits.
Never drape a welding torch over a gas cylinder.
Never allow a welding electrode to touch any cylinder.
Never weld on a pressurized cylinder − explosion will result.
Use only correct shielding gas cylinders, regulators, hoses, and fittings designed for the specific application; maintain them and
associated parts in good condition.
Turn face away from valve outlet when opening cylinder valve.
Keep protective cap in place over valve except when cylinder is in
use or connected for use.
Read and follow instructions on compressed gas cylinders,
associated equipment, and CGA publication P-1 listed in Safety
Standards.
Return To Table Of Contents
1-3. Additional Symbols For Installation, Operation, And Maintenance
FIRE OR EXPLOSION hazard.
MOVING PARTS can cause injury.
Do not install or place unit on, over, or near
combustible surfaces.
Do not install unit near flammables.
Do not overload building wiring − be sure power supply system is
properly sized, rated, and protected to handle this unit.
Keep away from moving parts such as fans.
Keep all doors, panels, covers, and guards
closed and securely in place.
FALLING UNIT can cause injury.
H.F. RADIATION can cause interference.
Use lifting eye to lift unit only, NOT running
gear, gas cylinders, or any other accessories.
Use equipment of adequate capacity to lift and
support unit.
If using lift forks to move unit, be sure forks are
long enough to extend beyond opposite side of
unit.
OVERUSE can cause OVERHEATING
Allow cooling period; follow rated duty cycle.
Reduce current or reduce duty cycle before
starting to weld again.
Do not block or filter airflow to unit.
High-frequency (H.F.) can interfere with radio
navigation, safety services, computers, and
communications equipment.
Have only qualified persons familiar with
electronic equipment perform this installation.
The user is responsible for having a qualified electrician promptly correct any interference problem resulting from the installation.
If notified by the FCC about interference, stop using the
equipment at once.
Have the installation regularly checked and maintained.
Keep high-frequency source doors and panels tightly shut, keep
spark gaps at correct setting, and use grounding and shielding to
minimize the possibility of interference.
STATIC (ESD) can damage PC boards.
Put on grounded wrist strap BEFORE handling
boards or parts.
Use proper static-proof bags and boxes to
store, move, or ship PC boards.
ARC WELDING can cause interference.
MOVING PARTS can cause injury.
Keep away from moving parts.
Keep away from pinch points such as drive
rolls.
WELDING WIRE can cause injury.
Do not press gun trigger until instructed to do
so.
Do not point gun toward any part of the body,
other people, or any metal when threading
welding wire.
Electromagnetic energy can interfere with
sensitive electronic equipment such as
computers and computer-driven equipment
such as robots.
Be sure all equipment in the welding area is
electromagnetically compatible.
To reduce possible interference, keep weld cables as short as
possible, close together, and down low, such as on the floor.
Locate welding operation 100 meters from any sensitive electronic equipment.
Be sure this welding machine is installed and grounded
according to this manual.
If interference still occurs, the user must take extra measures
such as moving the welding machine, using shielded cables,
using line filters, or shielding the work area.
1-4. California Proposition 65 Warnings
Welding or cutting equipment produces fumes or gases which
contain chemicals known to the State of California to cause
birth defects and, in some cases, cancer. (California Health &
Safety Code Section 25249.5 et seq.)
For Gasoline Engines:
Engine exhaust contains chemicals known to the State of
California to cause cancer, birth defects, or other reproductive
harm.
Battery posts, terminals and related accessories contain lead
and lead compounds, chemicals known to the State of
California to cause cancer and birth defects or other
reproductive harm. Wash hands after handling.
For Diesel Engines:
Diesel engine exhaust and some of its constituents are known
to the State of California to cause cancer, birth defects, and
other reproductive harm.
Return To Table Of Contents
OM-2233 Page 3
1-5. Principal Safety Standards
Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,
from American Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126
(phone: 305-443-9353, website: www.aws.org).
Boulevard, Rexdale, Ontario, Canada M9W 1R3 (phone:
800−463−6727 or in Toronto 416−747−4044, website: www.csa−international.org).
Recommended Safe Practices for the Preparation for Welding and Cutting of Containers and Piping, American Welding Society Standard
AWS F4.1, from American Welding Society, 550 N.W. LeJeune Rd, Miami, FL 33126 (phone: 305-443-9353, website: www.aws.org).
Practice For Occupational And Educational Eye And Face Protection,
ANSI Standard Z87.1, from American National Standards Institute, 11
West 42nd Street, New York, NY 10036−8002 (phone: 212−642−4900,
website: www.ansi.org).
National Electrical Code, NFPA Standard 70, from National Fire Protection Association, P.O. Box 9101, 1 Battery March Park, Quincy, MA
02269−9101 (phone: 617−770−3000, website: www.nfpa.org and www.
sparky.org).
Standard for Fire Prevention During Welding, Cutting, and Other Hot
Work, NFPA Standard 51B, from National Fire Protection Association,
P.O. Box 9101, 1 Battery March Park, Quincy, MA 02269−9101 (phone:
617−770−3000,website: www.nfpa.org and www. sparky.org).
Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,
from Compressed Gas Association, 1735 Jefferson Davis Highway,
Suite 1004, Arlington, VA 22202−4102 (phone: 703−412−0900, website: www.cganet.com).
Code for Safety in Welding and Cutting, CSA Standard W117.2, from
Canadian Standards Association, Standards Sales, 178 Rexdale
OSHA, Occupational Safety and Health Standards for General Industry, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,
and Part 1926, Subpart J, from U.S. Government Printing Office, Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250 (there
are 10 Regional Offices−−phone for Region 5, Chicago, is
312−353−2220,website: www.osha.gov).
1-6. EMF Information
Considerations About Welding And The Effects Of Low Frequency
Electric And Magnetic Fields
Welding current, as it flows through welding cables, will cause electromagnetic fields. There has been and still is some concern about such
fields. However, after examining more than 500 studies spanning 17
years of research, a special blue ribbon committee of the National
Research Council concluded that: “The body of evidence, in the
committee’s judgment, has not demonstrated that exposure to powerfrequency electric and magnetic fields is a human-health hazard.”
However, studies are still going forth and evidence continues to be
examined. Until the final conclusions of the research are reached, you
may wish to minimize your exposure to electromagnetic fields when
welding or cutting.
To reduce magnetic fields in the workplace, use the following
procedures:
OM-2233 Page 4
1. Keep cables close together by twisting or taping them.
2. Arrange cables to one side and away from the operator.
3. Do not coil or drape cables around your body.
4. Keep welding power source and cables as far away from operator as practical.
5. Connect work clamp to workpiece as close to the weld as possible.
About Pacemakers:
Pacemaker wearers consult your doctor first. If cleared by your doctor,
then following the above procedures is recommended.
Return To Table Of Contents
SECTION 2 − CONSIGNES DE SÉCURITÉ − À LIRE AVANT
UTILISATION
som_fre 8/03
2-1. Signification des symboles
Signifie « Mise en garde. Faire preuve de vigilance. »
Cette procédure présente des risques identifiés par les
symboles adjacents aux directives.
Ce groupe de symboles signifie « Mise en garde. Faire preuve de vigilance. » Il y a des dangers liés aux CHOCS ÉLECTRIQUES, aux
PIÈCES EN MOUVEMENT et aux PIÈCES CHAUDES. Se reporter
aux symboles et aux directives ci-dessous afin de connaître les mesures à prendre pour éviter tout danger.
Identifie un message de sécurité particulier.
Signifie « NOTA » ; n’est pas relatif à la sécurité.
2-2. Dangers relatifs au soudage à l’arc
Les symboles ci-après sont utilisés tout au long du présent
manuel pour attirer l’attention sur les dangers potentiels et les
identifier. Lorsqu’on voit un symbole, faire preuve de vigilance et
suivre les directives mentionnées afin d’éviter tout danger. Les
consignes de sécurité énoncées ci-après ne font que résumer le
contenu des normes de sécurité mentionnées à la section 2-4.
Lire et respecter toutes ces normes.
N’utiliser que du matériel en bon état. Réparer ou remplacer sur−le−
champ les pièces endommagées. Entretenir l’appareil conformément
au présent manuel.
L’installation, l’utilisation, l’entretien et les réparations ne doivent être confiés qu’à des personnes qualifiées.
Fixer le câble de retour de façon à obtenir un bon contact métal sur
métal avec la pièce à souder ou la table de travail, le plus près possible
de la soudure.
Pendant l’utilisation de l’appareil, tenir à l’écart toute personne,
en particulier les enfants.
Porter un harnais de sécurité quand on travaille en hauteur.
Maintenir solidement en place tous les panneaux et capots.
Ne pas connecter plus d’une électrode ou plus d’un câble de masse à un
même terminal de sortie.
LES DÉCHARGES ÉLECTRIQUES
peuvent être mortelles.
Un simple contact avec des pièces sous tension peut
causer une électrocution ou des blessures graves.
L’électrode et le circuit de soudage sont sous tension
dès que l’appareil est en fonctionnement. Le circuit
d’entrée et les circuits internes de l’appareil sont également sous tension.
En soudage semi−automatique ou automatique, le fil, le dévidoir, le
logement des galets d’entraînement et les pièces métalliques en contact
avec le fil de soudage sont sous tension. Tout matériel mal installé ou mal
mis à la terre présente un danger.
Il subsiste un COURANT CONTINU IMPORTANT
dans les convertisseurs après la suppression de
l’alimentation électrique.
Arrêter les convertisseurs, débrancher le courant électrique et décharger les condensateurs d’alimentation selon les instructions
énoncées à la section Entretien avant de toucher les pièces.
Ne jamais toucher aux pièces électriques sous tension.
Porter des gants et des vêtements de protection secs et exempts de
trous.
S’isoler de la pièce et de la terre au moyen de tapis ou autres dispositifs isolants suffisamment grands pour empêcher tout contact
physique avec la pièce ou la terre.
Ne pas se servir d’une source de courant alternatif dans les zones humides, les endroits confinés ou là où on risque de tomber.
Ne se servir d’une source de courant alternatif QUE si le procédé de soudage l’exige.
Si l’utilisation d’une source de courant alternatif s’avère nécessaire, se servir de la fonction de télécommande si l’appareil en est équipé.
Couper l’alimentation ou arrêter le moteur avant de procéder à l’installation, à la réparation ou à l’entretien de l’appareil. Couper/étiqueter
l’alimentation selon la norme OSHA 29 CFR 1910.147 (voir les normes de sécurité).
Installer et mettre à la terre correctement l’appareil conformément à
son manuel d’utilisation et aux codes nationaux, provinciaux et
municipaux.
Toujours vérifier la terre du cordon d’alimentation − Vérifier et s’assurer que le fil de terre du cordon d’alimentation est bien raccordé à la
borne de terre du sectionneur ou que la fiche du cordon est raccordée
à une prise correctement mise à la terre.
Pour exécuter les branchements d’entrée, fixer d’abord le conducteur
de mise à la terre adéquat et contre−vérifier les connexions.
Vérifier fréquemment le cordon d’alimentation et s’assurer qu’il n’est
ni endommagé ni dénudé ; le remplacer immédiatement s’il est endommagé − tout câble dénudé peut causer une électrocution.
Mettre l’appareil hors tension quand on ne l’utilise pas.
Ne pas utiliser de câbles usés, endommagés, de calibre insuffisant ou
mal épissés.
Ne pas s’enrouler les câbles autour du corps.
Si la pièce soudée doit être mise à la terre, le faire directement avec un
câble distinct.
Ne pas toucher l’électrode quand on est en contact avec la pièce, la
terre ou une électrode d’une autre machine.
LES FUMÉES ET LES GAZ peuvent
être dangereux.
Le soudage génère des fumées et des gaz dont
l’inhalation peut être dangereuse pour la santé.
Se tenir à distance des fumées et ne pas les inhaler.
À l’intérieur, ventiler la zone et/ou utiliser un dispositif d’aspiration au
niveau de l’arc pour l’évacuation des fumées et des gaz de soudage.
Si la ventilation est insuffisante, utiliser un respirateur à adduction
d’air agréé.
Lire les fiches techniques de santé−sécurité (FTSS) et les instructions du fabricant concernant les métaux, les consommables, les
revêtements, les nettoyants et les dégraisseurs.
Ne travailler dans un espace clos que s’il est bien ventilé ou porter un
respirateur à adduction d’air. Demander toujours à un surveillant dûment formé de se tenir à proximité. Des fumées et des gaz de soudage
peuvent se substituer à l’air, abaisser la teneur en oxygène et causer
des lésions ou des accidents mortels. S’assurer que l’air est respirable.
Ne pas souder à proximité d’opérations de dégraissage, de nettoyage
ou de pulvérisation. La chaleur et les rayons de l’arc peuvent réagir en
présence de vapeurs et former des gaz hautement toxiques et irritants.
Ne pas souder de métaux munis d’un revêtement, tels que la tôle
d’acier galvanisée, plombée ou cadmiée, à moins que le revêtement
n’ait été enlevé dans la zone de soudage, que l’endroit soit bien ventilé, et si nécessaire, porter un respirateur à adduction d’air. Les
revêtements et tous les métaux renfermant ces éléments peuvent dégager des fumées toxiques lorsqu’on les soude.
Revenez à la table des matières
OM-2233 Page 5
LES RAYONS DE L’ARC peuvent causer des brûlures oculaires et cutanées.
Le rayonnement de l’arc génère des rayons visibles et
invisibles intenses (ultraviolets et infrarouges) susceptibles de causer des brûlures oculaires et cutanées.
Des étincelles sont projetées pendant le soudage.
Porter un masque de soudage muni d’un filtre de la nuance adéquate
pour se protéger le visage et les yeux pendant le soudage ou pour regarder (voir les normes de sécurité ANSI Z49.1 et Z87.1).
Porter des lunettes de sécurité à écrans latéraux sous le masque.
Utiliser des écrans ou des barrières pour protéger les tiers de l’éclat
éblouissant ou aveuglant de l’arc ; leur demander de ne pas regarder
l’arc.
Porter des vêtements de protection en matière durable et ignifuge
(cuir ou laine) et des chaussures de sécurité.
LES ACCUMULATIONS DE GAZ peuvent causer des blessures ou même
la mort.
Couper l’alimentation en gaz protecteur en cas de
non utilisation.
Veiller toujours à bien ventiler les espaces confinés ou porter un respirateur à adduction d’air agréé.
LES PIÈCES CHAUDES peuvent causer des brûlures graves.
Ne pas toucher les pièces chaudes à main nue.
Prévoir une période de refroidissement avant
d’utiliser le pistolet ou la torche.
LE SOUDAGE peut causer un incendie ou une explosion.
LES CHAMPS MAGNÉTIQUES peuvent
perturber le fonctionnement des stimulateurs cardiaques.
Le soudage effectué sur des récipients fermés tels que
des réservoirs, des fûts ou des conduites peut causer
leur éclatement. Des étincelles peuvent être projetées
de l’arc de soudure. La projection d’étincelles, les
pièces chaudes et les équipements chauds peuvent causer des
incendies et des brûlures. Le contact accidentel de l’électrode avec tout
objet métallique peut causer des étincelles, une explosion, un surchauffement ou un incendie. Avant de commencer le soudage, vérifier et
s’assurer que l’endroit ne présente pas de danger.
Se protéger et protéger les tiers de la projection d’étincelles et de métal chaud.
Ne pas souder à un endroit où des étincelles peuvent tomber sur des
substances inflammables.
Placer toutes les substances inflammables à une distance de 10,7 m
de l’arc de soudage. En cas d’impossibilité, les recouvrir soigneusement avec des protections agréées.
Des étincelles et des matières en fusion peuvent facilement passer
même par des fissures et des ouvertures de petites dimensions.
Surveiller tout déclenchement d’incendie et tenir un extincteur à proximité.
Le soudage effectué sur un plafond, un plancher, une paroi ou une
cloison peut déclencher un incendie de l’autre côté.
Ne pas souder des récipients fermés tels que des réservoirs, des fûts
ou des conduites, à moins qu’ils n’aient été préparés conformément à
l’AWS F4.1 (voir les normes de sécurité).
Brancher le câble sur la pièce le plus près possible de la zone de soudage pour éviter que le courant ne circule sur une longue distance, par
des chemins inconnus, et ne cause des risques d’électrocution et d’incendie.
Ne pas utiliser le poste de soudage pour dégeler des conduites gelées.
En cas de non utilisation, enlever la baguette d’électrode du porte−
électrode ou couper le fil au raz du tube−contact.
Porter des vêtements de protection exempts d’huile tels que des
gants en cuir, une chemise en tissu épais, des pantalons sans revers,
des chaussures montantes et un masque.
Avant de souder, retirer tout produit combustible de ses poches, tel
qu’un briquet au butane ou des allumettes.
LES PARTICULES PROJETÉES peuvent blesser les yeux.
Le soudage, le burinage, le passage de la pièce à
la brosse métallique et le meulage provoquent
l’émission d’étincelles et de particules métalliques. Pendant leur refroidissement, les soudures risquent de projeter du
laitier.
Porter des lunettes de sécurité à écrans latéraux agréés, même sous le
masque de soudage.
OM-2233 Page 6
Les personnes qui portent un stimulateur cardiaque
doivent se tenir à distance.
Ils doivent consulter leur médecin avant de s’approcher d’un lieu où on exécute des opérations de soudage à l’arc, de gougeage ou de soudage par points.
LE BRUIT peut affecter l’ouïe.
Le bruit de certains processus et équipements peut
affecter l’ouïe.
Porter des protecteurs d’oreille agréés si le niveau
sonore est trop élevé.
Les BOUTEILLES
peuvent exploser.
endommagées
Les bouteilles de gaz protecteur contiennent du gaz
sous haute pression. Toute bouteille endommagée
peut exploser. Comme les bouteilles de gaz font
normalement partie du procédé de soudage, les
manipuler avec précaution.
Protéger les bouteilles de gaz comprimé de la chaleur excessive, des
chocs mécaniques, du laitier, des flammes nues, des étincelles et des
arcs.
Placer les bouteilles debout en les fixant dans un support stationnaire
ou dans un porte−bouteilles pour les empêcher de tomber ou de se
renverser.
Tenir les bouteilles éloignées des circuits de soudage ou autres circuits électriques.
Ne jamais poser une torche de soudage sur une bouteille de gaz.
Ne jamais mettre une électrode de soudage en contact avec une bouteille de gaz.
Ne jamais souder une bouteille contenant du gaz sous pression − elle
risquerait d’exploser.
N’utiliser que les bouteilles de gaz protecteur, régulateurs, tuyaux et
raccords adéquats pour l’application envisagée ; les maintenir en bon
état, ainsi que les pièces connexes.
Détourner la tête lorsqu’on ouvre la soupape d’une bouteille.
Laisser le capuchon protecteur sur la soupape, sauf en cas d’utilisation ou de branchement de la bouteille
Lire et suivre les instructions concernant les bouteilles de gaz comprimé, les équipements associés et les publications P−1 de la CGA,
mentionnées dans les normes de sécurité.
Revenez à la table des matières
2-3. Autres symboles relatifs à l’installation, au fonctionnement et à l’entretien de
l’appareil.
Risque D’INCENDIE OU D’EXPLOSION
LES ORGANES MOBILES peuvent
causer des blessures.
Ne pas placer l’appareil sur une surface inflammable, ni au−dessus ou à proximité d’elle.
Se tenir à l’écart des organes mobiles comme les
ventilateurs.
Maintenir fermés et bien fixés les portes,
panneaux, recouvrements et dispositifs de
protection.
Ne pas installer l’appareil à proximité de produits inflammables.
Ne pas surcharger l’installation électrique − s’assurer que l’alimentation est correctement dimensionnée et protégée avant de mettre
l’appareil en service.
LE RAYONNEMENT HAUTE FRÉQUENCE (H. F.) risque de causer des
interférences.
LA CHUTE DE L’APPAREIL peut
blesser.
N’utiliser que l’anneau de levage pour lever l’appareil. NE PAS utiliser le chariot, les bouteilles de
gaz ou tout autre accessoire.
Utiliser un engin de capacité adéquate pour lever
l’appareil.
Si on utilise un chariot élévateur pour déplacer l’unité, s’assurer que
les fourches sont suffisamment longues pour dépasser du côté opposé de l’appareil.
L’EMPLOI EXCESSIF peut FAIRE
SURCHAUFFER L’ÉQUIPEMENT.
Prévoir une période de refroidissement ; respecter le cycle opératoire nominal.
Réduire le courant ou le cycle opératoire avant de
reprendre le soudage.
Le rayonnement haute fréquence peut causer
des interférences avec les équipements de radionavigation et de communication, les services de
sécurité et les ordinateurs.
Ne demander qu’à des personnes qualifiées familiarisées avec les
équipements électroniques de faire fonctionner l’installation.
L’utilisateur est tenu de faire corriger rapidement par un électricien
qualifié les interférences causées par l’installation.
Si la Federal Communications Commission signale des interférences, arrêter immédiatement l’appareil.
Faire régulièrement contrôler et entretenir l’installation.
Maintenir soigneusement fermés les panneaux et les portes des sources de haute fréquence, maintenir le jeu d’éclatement au réglage
adéquat et utiliser une terre et un blindage pour réduire les interférences éventuelles.
LE SOUDAGE À L’ARC peut causer
des interférences.
Ne pas obstruer les orifices ou filtrer l’alimentation en air du poste.
L’énergie électromagnétique peut causer des
interférences avec l’équipement électronique
sensible tel que les ordinateurs et l’équipement
commandé par ordinateur tel que les robots.
LES CHARGES ÉLECTROSTATIQUES peuvent endommager les circuits imprimés.
Mettre un bracelet antistatique AVANT de manipuler des cartes ou des pièces.
Utiliser des pochettes et des boîtes antistatiques
pour stocker, déplacer ou expédier des cartes de
circuits imprimés.
LES PIÈCES MOBILES peuvent causer des blessures.
Se tenir à l’écart des pièces mobiles.
Se tenir à l’écart des points de coincement tels
que les dévidoirs.
Veiller à ce que tout l’équipement de la zone de soudage soit compatible au point de vue électromagnétique.
Pour réduire la possibilité d’interférence, maintenir les câbles de soudage aussi courts que possible, les grouper, et les poser aussi bas
que possible (par ex. : à terre).
Veiller à souder à une distance de 100 mètres de tout équipement
électronique sensible.
Veiller à ce que le poste de soudage soit posé et mis à la terre conformément au présent manuel.
En cas d’interférences après exécution des directives précédentes, il
incombe à l’utilisateur de prendre des mesures supplémentaires telles que le déplacement du poste, l’utilisation de câbles blindés,
l’utilisation de filtres de ligne ou la pose de protecteurs dans la zone de
travail.
LES FILS DE SOUDAGE peuvent causer des blessures.
Ne pas appuyer sur la gâchette avant d’en avoir
reçu l’instruction.
Ne pas diriger le pistolet vers soi, vers d’autres
personnes ou vers toute pièce mécanique en engageant le fil de soudage.
Revenez à la table des matières
LES CHAMPS MAGNÉTIQUES peuvent
affecter les stimulateurs cardiaques.
Porteurs de stimulateur cardiaque, restez à distance.
Les porteurs d’un stimulateur cardiaque doivent
d’abord consulter leur médecin avant de s’approcher des opérations de soudage à l’arc, de gougeage ou de soudage par points.
OM-2233 Page 7
2-4. Principales normes de sécurité
Safety in Welding, Cutting, and Allied Processes, norme ANSI Z49.1,
de l’American Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126
(téléphone : (305) 443−9353, site Web : www.aws.org).
Rexdale, Rexdale (Ontario) Canada M9W 1R3 (téléphone : (800)
463−6727 ou à Toronto : (416) 747−4044, site Web : www.csa−international.org).
Recommended Safe Practices for the Preparation for Welding and Cutting of Containers and Piping, norme American Welding Society AWS
F4.1, de l’American Welding Society, 550 N.W. LeJeune Rd, Miami, FL
33126 (téléphone : (305) 443−9353, site Web : www.aws.org).
Practice For Occupational And Educational Eye And Face Protection,
norme ANSI Z87.1, de l’American National Standards Institute, 11 West
42nd Street, New York, NY 10036−8002 (téléphone : (212) 642−4900,
site Web : www.ansi.org).
National Electrical Code, norme NFPA 70, de la National Fire Protection
Association, P.O. Box 9101, 1 Battery March Park, Quincy, MA
02269−9101 (téléphone : (617) 770−3000, sites Web : www.nfpa.org et
www.sparky.org).
Standard for Fire Prevention During Welding, Cutting, and Other Hot
Work, norme NFPA 51B, de la National Fire Protection Association,
P.O. Box 9101, 1 Battery March Park, Quincy, MA 02269−9101 (téléphone : (617) 770−3000, site Web : www.nfpa.org et www.sparky.org).
Safe Handling of Compressed Gases in Cylinders, brochure CGA P−1,
de la Compressed Gas Association, 1735 Jefferson Davis Highway,
Suite 1004, Arlington, VA 22202−4102 (téléphone : (703) 412−0900,
site Web : www.cganet.com).
Code for Safety in Welding and Cutting, norme CSA W117.2, de la Canadian Standards Association, Standards Sales, 178 boulevard
OSHA, Occupational Safety and Health Standards for General Industry, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,
and Part 1926, Subpart J, de l’U.S. Government Printing Office, Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250 (il y a
10 bureaux régionaux − Téléphone pour la Région 5, Chicago : (312)
353−2220, site Web : www.osha.gov).
2-5. Information sur les champs électromagnétiques
Données sur le soudage électrique et les effets des champs magnétiques basse fréquence sur l’organisme
En parcourant les câbles de soudage, le courant crée des champs électromagnétiques. Les effets potentiels de tels champs restent
préoccupants. Cependant, après avoir examiné plus de 500 études qui
ont été faites pendant une période de recherche de 17 ans, un comité
de spécialistes du National Research Council a conclu : « L’accumulation de preuves n’a pas démontré que l’exposition aux champs
magnétiques et aux champs électriques à haute fréquence constitue un
risque pour la santé humaine ». Toutefois, les études et l’examen des
preuves se poursuivent. En attendant les conclusions finales de la recherche, il serait souhaitable de réduire l’exposition aux champs
électromagnétiques pendant le soudage ou le coupage.
OM-2233 Page 8
Afin de réduire les champs électromagnétiques en milieu de travail, respecter les consignes suivantes :
1. Garder les câbles ensemble en les torsadant ou en les fixant avec du
ruban adhésif.
2. Mettre tous les câbles du côté opposé à l’opérateur.
3. Ne pas s’enrouler les câbles autour du corps.
4. Garder le poste de soudage et les câbles le plus loin possible de soi.
5. Placer la pince de masse le plus près possible de la zone de soudage.
Consignes relatives aux stimulateurs cardiaques :
Les personnes qui portent un stimulateur cardiaque doivent avant tout
consulter leur médecin. Si ce dernier les déclare aptes, il leur est recommandé de respecter les consignes ci-dessus.
Revenez à la table des matières
SECTION 3 − DEFINITIONS (CE Models)
3-1. Warning Label Definitions
Warning! Watch Out! There are possible
hazards as shown by the symbols.
1
Electric shock from welding electrode
or wiring can kill.
2
2.1
2.2
1.1 Wear dry insulating gloves. Do not
touch electrode with bare hand. Do
not wear wet or damaged gloves.
2.3
3
1.2 Protect yourself from electric shock by
insulating yourself from work and
ground.
3.1
3.2
1.3 Disconnect input plug or power before
working on machine.
1
1.1
2
2.1
3
3.1
1.2
Breathing welding fumes can be
hazardous to your health.
Keep your head out of the fumes.
Use forced ventilation or local exhaust
to remove the fumes.
Use ventilating fan to remove fumes.
Welding sparks can cause explosion
or fire.
Keep flammables away from welding.
Do not weld near flammables.
Welding sparks can cause fires. Have
a fire extinguisher nearby, and have a
watchperson ready to use it.
1.3
2.2
2.3
3.2
4
3.3 Do not weld on drums or any closed
containers.
4
Arc rays can burn eyes and injure
skin.
4.1 Wear hat and safety glasses. Use ear
protection and button shirt collar. Use
welding helmet with correct shade of
filter. Wear complete body protection.
5
Become trained and read the
instructions before working on the
machine or welding.
6
Do not remove or paint over (cover)
the label.
4.1
5
3.3
6
179 310-A
Return To Table Of Contents
OM-2233 Page 9
Warning! Watch Out! There are
possible hazards as shown by the
symbols.
1
2
1
2
4
3
5
V
V
> 60 s
V
3
4
5
6
S-185 836
7
6
9
8
7
8
9
1
1
2
3
∠ = <60 °
4
∠
5
Electric shock from wiring can
kill.
Disconnect input plug or
power before working on
machine.
Hazardous voltage remains
on input capacitors after
power is turned off. Do not
touch fully charged
capacitors.
Always wait 60 seconds after
power is turned off before
working on unit, OR
Check input capacitor voltage,
and be sure it is near 0 before
touching any parts.
When power is applied failed
parts can explode or cause
other parts to explode.
Flying pieces of parts can
cause injury. Always wear a
face shield when servicing
unit.
Always wear long sleeves and
button your collar when
servicing unit.
After taking proper
precautions as shown,
connect power to unit.
Warning! Watch Out! There
are possible hazards as
shown by the symbols.
Falling equipment can cause
injury and damage to unit.
Always lift and support unit
using both handles. Keep
angle of lifting device less
than 60 degrees.
Use a proper cart to move
unit.
Do not use one handle to lift
or support unit.
S-179 309-A
2
3
4
5
1/96
OM-2233 Page 10
Return To Table Of Contents
3-2. Manufacturer’s Rating Label
See
Section 4-4 for
location.
f1
EN 60974−1
f2
1A 10V
S
U
o
80V
200A 18V
U
o
80V
Use rating label to de-
=115V
1
40%
60%
100%
70%
100%
I2
200
175
150
150
125
18
17
16
16
15
X
40%
60%
100%
50%
80%
I2
175
150
125
125
100
27
26
25
25
24
U
2
1A 20V
S
U
X
200A 28V
U
2
U
I 1 max
termine input power
requirements.
=115V
1
I 1 eff
1
50/60 Hz
U
1
=115V
35
25
1
50/60 Hz
U
1
=230V
31
17
3
50/60 Hz
U
1
=230V
19
11
3
50/60 Hz
U
1
=400V
11
6
3
50/60 Hz
U
1
=460V
9
5
IP23
195 646-B
3-3. Symbols And Definitions
A
Amperes
High Temperature
V
Volts
Voltage Input
Percent
Arc Force (DIG)
Protective Earth
(Ground)
Alternating
Current
On
Off
Positive
Duty Cycle
Direct Current
Line Connection
X
U1
U0
Primary Voltage
IP
Degree Of
Protection
Rated No Load
Voltage (Average)
Hz
Hertz
Output
Gas Tungsten Arc
Welding (GTAW)
Shielded Metal Arc
Welding (SMAW)
3 Phase Static Frequency
Converter-Transformer-Rectifier
Lift-Arc Start
(GTAW)
Remote
Rated Welding
Current
I2
I1max
S
Rated Maximum
Supply Current
Suitable For Areas
Of Increased
Shock Hazard
S
Seconds
Negative
U2
Conventional Load
Voltage
I1eff
Maximum Effective
Supply Current
Increase/Decrease
Of Quantity
Adjust
Return To Table Of Contents
OM-2233 Page 11
SECTION 4 − INSTALLATION
4-1. Specifications
Input Power
Three-Phase
Rated Output
Welding
Amperage
Range
150 A @ 26 VDC,
60% Duty Cycle
1 − 200
TIG Process
175 A @ 17 VDC,
60% Duty Cycle
1 − 200
Three-Phase
Stick Process
200 A @ 28 VDC,
30% Duty Cycle
1 − 200
Three-Phase
TIG Process
200 A @ 18 VDC,
40% Duty Cycle
1 − 200
Single-Phase
150 A @ 26 VDC,
60% Duty Cycle
1 − 200
175 A @ 17 VDC,
60% Duty Cycle
1 − 200
125 A @ 25 VDC,
50% Duty Cycle
1 − 200
150 A @ 16 VDC,
70% Duty Cycle
1 − 200
100 A @ 24 VDC,
80% Duty Cycle
1 − 200
125 A @ 15 VDC,
100% Duty Cycle
1 − 200
Stick Process
Three-Phase
Stick Process
Single-Phase
TIG Process
Single-Phase
Stick Process
Single-Phase
TIG Process
Single-Phase
Stick Process
Single-Phase
TIG Process
Max.
Open-Circuit
Voltage
80∇
9-14♦
Amperes Input At Rated Output, 50/60Hz
KW
5.2
0.06*
5.0
0.03*
230
400
460
-−
13.1
0.16*
7.4
0.24*
6.4
0.25*
10.5
6.0
5.2
4.2
4.0
-−
0.16*
0.24*
0.25*
0.06*
0.03*
80
9-14♦
KVA
115
80∇
18.4
10.3
8.9
7.3
7.0
9-14♦
0.16*
0.24*
0.25*
0.06*
0.03*
80
12.7
7.2
6.2
5.1
4.9
9-14♦
0.16*
0.24*
0.25*
0.06*
0.03*
-−
21.7
0.23*
-−
10.6
5.0
0.05*
5.0
0.02*
-−
0.23*
34.1
0.42*
-−
29.7
0.42*
80∇
9-14♦
80
9-14♦
80∇
9-14♦
80
9-14♦
80∇
9-14♦
80
9-14♦
17.4
.25*
8.5
4.0
4.0
.25*
0.05*
0.02*
-−
-−
4.0
0.05*
3.8
0.03*
-−
-−
-−
28.1
0.42*
-−
-−
-−
23.0
0.42*
-−
-−
-−
-−
3.4
3.4
0.05*
0.03*
3.2
3.2
0.05*
0.03*
2.6
2.6
0.05*
0.03*
*While idling
♦Low open-circuit voltage while in Lift-Arc
on all models, and Stick on models with stock numbers 907 036 and 907 037.
∇Normal open-circuit voltage (80 volts) is present while in the Stick process for models with stock number 907 220.
NOTE: Duty cycle limitations on units with 115 volt input power are due to the input power cord supplied with the unit.
NOTE: This unit is equipped with Auto-Line. The Auto-Line circuitry automatically connects to 120−460 VAC, single- or three-phase power without
removing the cover to relink the power source.
OM-2233 Page 12
Return To Table Of Contents
4-2. Volt-Ampere Curves
Volt-ampere curves show minimum
and maximum voltage and amperage output capabilities of welding
power source. Curves of other settings fall between curves shown.
1 1 5 V A C In p u t
140
120
Stick Max
Vo lts
100
TIG Max
80
60
40
Stick/TIG Min
20
DIG Max
0
0
50
100
150
200
250
200
250
Amp eres
O th e r In p u t V o lt a g e s
140
120
Stick Max
100
Volts
TIG Max
80
60
40
Stick/TIG Min
DIG
. Max
20
0
0
50
100
150
Amperes
*Amperage setting must be reduced to obtain currents less than highlighted data* point.
189 767-A
Return To Table Of Contents
OM-2233 Page 13
4-3. Duty Cycle And Overheating
Duty Cycle is percentage of 10 minutes that unit can weld at rated load
without overheating.
If unit overheats, output stops, and
cooling fan runs. Wait fifteen minutes for unit to cool. Reduce amperage or duty cycle before welding.
Exceeding duty cycle can
damage unit and void
warranty.
90 A @ 100% Duty Cycle For 115 Volt Single-Phase Stick Process
125 A @ 100% Duty Cycle For 115 Volt Single-Phase TIG Process
150 A @ 60% Duty Cycle For Stick Process (Other Voltages)
175 A @ 60% Duty Cycle For TIG Process (Other Voltages)
6 Minutes Welding
4 Minutes Resting
Overheating
A or V
0
15
Minutes
OR
Reduce Duty Cycle
189 770-A
OM-2233 Page 14
Return To Table Of Contents
4-4. Selecting A Location
1
2
3
Dimensions And Weight
34.7 lb (15.7 kg) - without power cord
37.3 lb (16.9 kg) - with power cord
Identification Plate
Rating Label
Line Disconnect Device
Locate unit near correct input
power supply.
Special installation may be
required where gasoline or
volatile liquids are present −
see NEC Article 511 or CEC
Section 20.
17-1/4 in
(438 mm)
13-3/8 in
(333 mm)
7-9/16 in
(192 mm)
1
Location And Airflow
3
2
18 in
(460 mm)
18 in
(460 mm)
802 886-A
Return To Table Of Contents
OM-2233 Page 15
4-5. Weld Output Terminals And Selecting Cable Sizes*
Weld Cable Size** and Total Cable (Copper) Length in Weld Circuit
Not Exceeding
100 ft (30 m) Or Less
150 ft
(45 m)
200 ft
(60 m)
250 ft
(70 m)
300 ft
(90 m)
350 ft
400 ft
(105 m) (120 m)
Weld Output
Terminals
Turn off power before
connecting to weld output terminals.
Welding
Amperes***
10 − 60%
Duty
Cycle
60 − 100%
Duty
Cycle
100
4 (20)
4 (20)
4 (20)
3 (30)
2 (35)
1 (50)
1/0 (60)
1/0 (60)
150
3 (30)
3 (30)
2 (35)
1 (50)
1/0 (60)
2/0 (70)
3/0 (95
3/0 (95)
200
3 (30)
2 (35)
1 (50)
1/0 (60)
2/0 (70)
3/0 (95)
4/0 (120)
4/0 (120)
Do not use worn, damaged, undersized, or
poorly spliced cables.
+
10 − 100% Duty Cycle
−
Output Receptacles
* This
chart is a general guideline and may not suit all applications. If cable overheating occurs (normally you can smell it), use next size larger
cable.
**Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere.
( ) = mm2 for metric use
***Select weld cable size for pulsing application at peak amperage value.
S-0007-E−
4-6. Remote 14 Receptacle Information
A
B
K
J
E
Socket*
I
C L N
D M
Socket Information
H
G
F
REMOTE
OUTPUT
CONTROL
C
Output to remote control; 0 to +10 volts dc output
to remote control.
D
Remote control circuit common.
E
0 to +10 volts dc input command signal from
remote control.
K
Chassis common.
ST-802 541
CHASSIS
*The remaining sockets are not used.
OM-2233 Page 16
Return To Table Of Contents
4-7. TIG Lift-Arc DCEN (Direct Current Electrode Negative) Connections
Turn off power before making connections.
1
5
4
Positive (+) Weld Output
Terminal
Connect work lead to positive weld
output terminal.
6
2
3
Connect TIG torch to negative weld
output terminal.
3
4
Negative (−) Weld Output
Terminal
Gas Cylinder
Cylinder Valve
Open valve slightly so gas flow
blows dirt from valve. Close valve.
5
6
Regulator/Flowmeter
Flow Adjust
Typical flow rate is 15 cubic feet per
hour (7.1 liters per minute).
Connect torch gas hose to regulator/flowmeter.
1
7
Gas Valve
Valve controls gas preflow and
postflow. Open valve on torch just
before welding.
2
7
Tools Needed:
11/16 in, 1-1/8 in, (21 mm)
Ref. 802 888-A
Return To Table Of Contents
OM-2233 Page 17
4-8. Stick DCEP (Direct Current Electrode Positive) Connections
Turn off power before making connections.
1
Negative (−) Weld Output
Terminal
Connect work lead to negative weld
output terminal.
2
Positive (+) Weld Output
Terminal
Connect electrode holder to positive weld output terminal.
2
1
Ref. 802 888-A
4-9. Electrical Service Guide
NOTE
Actual input voltage cannot exceed - 10% of minimum or +10% of maximum input
voltages indicated in table.
Input Voltage
Input Amperes At Rated Output
Single-Phase,
100% Duty
Cycle
Single-Phase,
60% Duty
Cycle
115
230
230
400
460
25
22
13.1
7.4
6.4
35
30
20
10
10
10
12
14
14
14
57 (17)
79 (24)
102
(31)
308
(94)
407
(124)
10
12
14
14
14
Three-Phase, 60% Duty
Cycle
Max Recommended Standard Fuse Rating In Amperes1
Normal Operating 2
Min Input Conductor Size In AWG/Kcmil
Max Recommended Input Conductor Length In Feet (Meters)
Min Grounding Conductor Size In AWG/Kcmil
Reference: 1999 National Electrical Code (NEC)
1 Choose a circuit breaker with time-current curves comparable to a time delay fuse. Time delay fuses are UL class RK5.
2 “Normal Operating” (general purpose - no intentional delay) fuses are UL class “K5” (up to and including 60 amp), and UL class “H” ( 65 amp and
above).
Failure to follow these fuse and circuit breaker recommendations could create an electrical shock or fire hazard.
OM-2233 Page 18
Return To Table Of Contents
4-10. Connecting Input Power
Disconnect and lockout/tagout input power before connecting input conductors
from unit.
Have only qualified persons
make this installation.
Check input voltage available at
site.
3
1
2
1
Line Disconnect Device
Input And Grounding
Conductors
For three-phase operation:
= GND/PE Earth Ground
Always connect green or
green/yellow wire to supply
grounding terminal, never to
a line terminal.
Connect black, white, and red input
conductors (L1, L2, L3) to line
terminals.
1
1
For single-phase operation:
7
L1
7
L2
L1
L3
Green Or
Green/Yellow Grounding
Conductor
= GND/PE
Green Or
Green/Yellow Grounding
Conductor
= GND/PE
Always connect green or
green/yellow wire to supply
grounding terminal, never to
a line terminal.
3
L2
4
5
6
Always connect grounding
conductor first
Black And White Input
Conductor
Red Input Conductor
Insulation Sleeving
Electrical Tape
Insulate and isolate red conductor
as shown.
7 Overcurrent Protection
2
Select size using Section 4-9
(fused disconnect switch shown).
Note: This unit is equipped with
Auto-Line. The Auto-Line circuitry automatically connects to
120−460 VAC, single- or threephase power without removing the
cover to relink the power source.
Install conductors into a deenergized
line disconnect device.
3
4
Green or
Green/Yellow
6
5
2
input_2 3/96 - 802 887-A
Return To Table Of Contents
OM-2233 Page 19
SECTION 5 − OPERATION
5-1. Controls
A. Non CE Units
5
2
4
3
1
6
NOTE: Green on nameplate indicates a TIG
function, Gray indicates a Stick function.
3
1
See Section 5-6.
See Section 6-3.
4
6
Process Controls
See Section 5-2.
2
Amperage Control
See Section 5-5.
DIG Control
High Temperature Shutdown Light
See Section 4-3.
5
Power On/Troubleshooting Help Aids
Light
Power Switch
Use switch to turn unit and indicator light
On/Off.
202 323-B / 802 889
OM-2233 Page 20
Return To Table Of Contents
B. For CE Units
5
4
2
3
1
6
NOTE: Green on nameplate indicates a TIG
function, Gray indicates a Stick function.
3
1
See Section 5-6.
See Section 6-3.
4
6
Process Controls
See Section 5-2.
2
Amperage Control
See Section 5-5.
DIG Control
High Temperature Shutdown Light
See Section 4-3.
5
Power On/Troubleshooting Help Aids
Light
Power Switch
Use switch to turn unit and indicator light
On/Off.
202 722-A / 802 889
Return To Table Of Contents
OM-2233 Page 21
5-2. Process Control
CE Model
1
Process Control
Rotate knob up to select the Stick
process. Rotate knob down to select the TIG Lift Arc process.
1
Stick (SMAW) - This is a DCEP (direct current electrode positive) process. Make connections according
to Section 4-8.
1
TIG Lift-Arc - This is a DCEN (direct current electrode negative)
process in which the electrode
must come in contact with the work
piece to initiate an arc (see Section
5-3). Make connections according
to Section 4-7.
5-3. Lift-Arc Start Procedure
Lift-Arc Start
With Lift-Arc selected, start arc
as follows:
Lift-Arc Start Method
1
“Touch”
2
1−2
Seconds
1
TIG Electrode
2
Workpiece
Turn gas on. Touch tungsten electrode to workpiece at weld start
point. Hold electrode to workpiece for 1-2 seconds, and slowly
lift electrode. Arc is formed when
electrode is lifted.
Normal open-circuit voltage is not
present before tungsten electrode
touches workpiece; only a low
sensing voltage is present between
electrode and workpiece. The
solid-state output contactor does
not energize until after electrode is
touching workpiece. This allows
electrode to touch workpiece without overheating, sticking, or getting
contaminated.
Application:
Lift-Arc is used for the DCEN
GTAW process when HF Start
method is not permitted, or to replace the scratch method.
Do NOT Strike Like A Match!
OM-2233 Page 22
Return To Table Of Contents
5-4.
Stick Start Procedure − Scratch Start Technique
With Stick selected, start arc as follows:
1
2
3
Electrode
Workpiece
Arc
Drag electrode across workpiece like striking a match; lift electrode slightly after touching work. If arc goes out electrode was lifted
to high. If electrode sticks to workpiece, use
a quick twist to free it.
1
For models with stock number 907
220, normal open-circuit voltage (80
volts) is present before electrode
touches workpiece.
2
For models with stock numbers 907 036 and
907 037, normal open-circuit voltage is not
present before electrode touches workpiece; only a low sensing voltage is present
between electrode and workpiece.
3
5-5. Amperage Control
1
CE Model
1
1
A (Amperage Control)
Rotate knob clockwise to increase
amperage (Min-200 amps).
Min
Min
5-6. DIG Control
1
CE Model
1
1
DIG Control
Control increases SMAW short-circuit amperage at low arc voltage.
This allows the operator to use a
very short arc length without sticking the electrode.
Set control at 0 for normal welding
amperage. Turn clockwise to increase short-circuit amperage.
Return To Table Of Contents
OM-2233 Page 23
SECTION 6 − MAINTENANCE AND TROUBLESHOOTING
6-1. Routine Maintenance
Disconnect power before maintaining.
Maintain more often during severe conditions.
3 Months
Replace
unreadable
labels.
Clean and tighten
weld terminals.
Replace Damaged
Gas Hose
3 Months
Repair Or Replace
Cracked Cables
And Cords
6 Months
Do not remove case when
blowing out inside of unit
(see Section 6-2) .
Blow out inside. During
heavy service clean
monthly.
6-2. Blowing Out Inside Of Unit
Do not remove case when
blowing out inside of unit.
To blow out unit, direct airflow
through front and back louvers as
shown.
802 886-A
OM-2233 Page 24
Return To Table Of Contents
6-3. Troubleshooting Help Aids
1
2
All directions are in reference to the
front of the unit. All circuitry referred to
is located inside the unit.
1
Output LED
2
High Temperature LED
The Output LED turns on when power is
turned on. The LED is also used to indicate
several machine malfunctions. When one
of the malfunctions listed below occurs, the
LED will first turn off for 1.5 seconds, and
then it will begin to blink. The number of
blinks corresponds to a Help message relating to that malfunction. After the LED
blinks the appropriate number of times, the
LED will again turn off for 1.5 seconds, and
the sequence will start again.
The malfunctions that correspond to Help
2, 3, 4, 5, and 9 are thermal related. The
High Temperature LED turns on along with
the blinking Output LED.
A malfunction relating to Help 0 will cause
the the Output LED to turn off and stay off,
but the High Temperature LED turns on and
stays on.
Help 0 Display
Indicates a short in the thermal protection
circuitry located on the bottom heat sink.
Contact a Factory Authorized Service
Agent if this happens.
fan to cool it (see Section 4-3). Operation
will continue when the unit has cooled.
Help 4 Display
Indicates an open in the thermal protection
circuitry located on the top heat sink. Contact a Factory Authorized Service Agent if
this happens.
Help 1 Display
Help 5 Display
Indicates a malfunction in the primary power circuit caused by an overcurrent condition in the primary IGBT switching circuit.
Contact a Factory Authorized Service
Agent if this happens.
Indicates the top heat sink has overheated.
The unit has shut down to allow the fan to
cool it (see Section 4-3). Operation will continue when the unit has cooled.
Help 2 Display
Indicates a malfunction in the secondary
power circuit of the unit. There is a high
open circuit condition. Contact a Factory
Authorized Service Agent if this happens.
Indicates an open in the thermal protection
circuitry located on the bottom heat sink.
Contact a Factory Authorized Service
Agent if this happens.
Help 3 Display
Indicates the bottom heat sink has overheated. The unit has shut down to allow the
Return To Table Of Contents
Help 8 Display
Help 9 Display
Indicates a short in the thermal protection
circuitry located on the top heat sink. Contact a factory Authorized Service Agent if
this happens.
OM-2233 Page 25
6-4. Troubleshooting
Trouble
No weld output; unit completely
inoperative.
Remedy
Place line disconnect switch in On position (see Section 4-10).
Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 4-10).
Check for proper input power connections (see Section 4-10).
No weld output; Output LED on.
Input voltage outside acceptable range of variation (see Section 4-9).
See Section 6-3, Troubleshooting Help Aids.
No weld output; Overtemp LED on.
Unit overheated. Allow unit to cool with fan On (see Sections 4-3 and 6-3).
Erratic or improper weld output.
Use proper size and type of weld cable (see Section 4-5).
Clean and tighten all weld connections (see Section 4-5).
Fan not operating.
Check for and remove anything blocking fan movement.
Have Factory Authorized Service Agent check fan motor.
Wandering arc
Use proper size tungsten (see Section 8).
Use properly prepared tungsten (see Section 8).
Reduce gas flow rate (see Section 4-7).
Tungsten electrode oxidizing and not re- Shield weld zone from drafts.
maining bright after conclusion of weld.
Allow adequate postflow time to shield tungsten while it cools, after welding stops.
Check and tighten all gas fittings (see Section 4-7).
Water in torch. Refer to torch manual.
OM-2233 Page 26
Return To Table Of Contents
SECTION 7 − ELECTRICAL DIAGRAMS
Figure 7-1. Circuit Diagram
Return To Table Of Contents
202 314-B
OM-2233 Page 27
SECTION 8 − SELECTING AND PREPARING
TUNGSTEN ELECTRODE
gtaw 7/97
NOTE
For additional information, see your distributor for a handbook on the Gas
Tungsten Arc Welding (GTAW) process.Wear clean gloves to prevent
contamination of tungsten electrode.
8-1. Selecting Tungsten Electrode
Amperage Range - Gas Type♦ - Polarity
Electrode Diameter
DC − Argon − Electrode
Negative/Straight Polarity
DC − Argon − Electrode
Positive/Reverse Polarity
AC − Argon − Using
High Frequency
AC − Argon − Balanced
Wave Using High Freq.
.010”
Up to 25
*
Up to 20
Up to 15
.020”
15-40
*
15-35
5-20
2% Thorium Alloyed
Tungsten (Red Band)
.040”
25-85
*
20-80
20-60
1/16”
50-160
10-20
50-150
60-120
3/32”
135-235
15-30
130-250
100-180
1/8”
250-400
25-40
225-360
160-250
5/32”
400-500
40-55
300-450
200-320
3/16”
500-750
55-80
400-500
290-390
1/4”
750-1000
80-125
600-800
340-525
♦Typical argon shielding gas flow rates are 15 to 35 cfh (cubic feet per hour).
*Not Recommended.
The figures listed are intended as a guide and are a composite of recommendations from American Welding Society (AWS) and electrode
manufacturers.
8-2. Safety Information About Tungsten
Grinding the tungsten electrode produces dust and flying sparks which can cause
injury and start fires. Use local exhaust (forced ventilation) at the grinder or wear an
approved respirator. Read
MSDS for safety information.
Consider using tungsten
containing ceria, lanthana,
or yttria instead of thoria.
Grinding dust from thoriated
electrodes contains low-level radioactive material.
Properly dispose of grinder
dust in an environmentally
safe way. Wear proper face,
hand, and body protection.
Keep flammables away.
1
2
1
2
Tungsten Electrode With
Balled End
Pointed Tungsten Electrode
Ref. S-0161
OM-2233 Page 28
Return To Table Of Contents
8-3. Preparing Tungsten For AC Or DC Electrode Negative (DCEN) Welding
1
1
2
2
Tungsten Electrode
Tapered End
Grind end of tungsten on fine grit,
hard abrasive wheel before welding. Do not use wheel for other jobs
or tungsten can become contaminated causing lower weld quality.
2-1/2 Times
Electrode Diameter
1
2
1
2
Diameter of this flat determines
amperage capacity.
3
3
Stable Arc
Flat
Grinding Wheel
Grinding wheel should be dedicated to grinding tungsten only.
4
Straight Ground
1
1
2
3
Arc Wander
Point
Grinding Wheel
2
Grinding wheel should be dedicated to grinding tungsten only.
4
Ideal Tungsten Preparation − Stable Arc
4
Radial Ground
3
4
Wrong Tungsten Preparation − Wandering Arc
Ref. S-0161 / Ref. S-0162
Return To Table Of Contents
OM-2233 Page 29
SECTION 9 − GUIDELINES FOR TIG WELDING (GTAW)
9-1. Positioning The Torch
3
2
4
90°
1
Grinding the tungsten electrode produces dust and flying sparks which can cause
injury and start fires. Use local exhaust (forced ventilation) at the grinder or wear an
approved respirator. Read
MSDS for safety information.
Consider using cerium or
lanthanum based tungsten
instead of thoriated. Thorium dust contains low-level
radioactive material. Properly dispose of grinder dust in
an environmentally safe way.
Wear proper face, hand, and
body protection. Keep flammables away.
1
Workpiece
Make sure workpiece is clean
before welding.
2
Work Clamp
Place as close to the weld as
possible.
10−15°
3
4
5
6
4
5
6
10−25°
Torch
Filler Rod (If Applicable)
Gas Cup
Tungsten Electrode
Select and prepare tungsten
according to Section 8-3.
Guidelines:
5
The inside diameter of the gas cup
should be at least three times the
tungsten diameter to provide adequate shielding gas coverage. (For
example, if tungsten is 1/16 in
diameter, gas cup should be a
minimum of 3/16 in diameter.
6
Tungsten extension is the distance
the tungsten extends out gas cup of
torch.
1/16 in
3/16 in
The tungsten extension should be
no greater than the inside diameter
of the gas cup.
Bottom View Of Gas Cup
Arc length is the distance from the
tungsten to the workpiece.
Ref. ST-161 892
OM-2233 Page 30
Return To Table Of Contents
9-2. Torch Movement During Welding
Tungsten Without Filler Rod
75°
Welding direction
Form pool
Tilt torch
Move torch to front
of pool. Repeat process.
Tungsten With Filler Rod
75°
Welding direction
Form pool
Tilt torch
Remove rod
15°
Add filler metal
Move torch to front
of pool. Repeat process.
ST-162 002-B
Return To Table Of Contents
OM-2233 Page 31
9-3. Positioning Torch Tungsten For Various Weld Joints
90°
Butt Weld And Stringer Bead
70°
20°
20°
“T” Joint
70°
10°
20°
20-40°
Lap Joint
70°
20°
30°
90°
Corner Joint
70°
20°
ST-162 003 / S-0792
OM-2233 Page 32
Return To Table Of Contents
SECTION 10 − STICK WELDING (SMAW) GUIDELINES
10-1. Stick Welding Procedure
Weld current starts when
electrode touches workpiece.
Weld current can damage
electronic parts in vehicles.
Disconnect both battery
cables before welding on a
vehicle. Place work clamp as
close to the weld as possible.
1
5
2
3
4
2
Work Clamp
Electrode
A small diameter electrode requires
less current than a large one. Follow electrode manufacturer’s
instructions when setting weld amperage (see Section 10-2).
3
6
1
Workpiece
Make sure workpiece is clean before welding.
7
4
5
6
Insulated Electrode Holder
Electrode Holder Position
Arc Length
Arc length is the distance from the
electrode to the workpiece. A short
arc with correct amperage will give
a sharp, crackling sound.
7
Slag
Use a chipping hammer and wire
brush to remove slag. Remove slag
and check weld bead before making another weld pass.
Tools Needed:
stick 12/96 − ST-151 593
Return To Table Of Contents
OM-2233 Page 33
7014
7018
7024
Ni-Cl
308L
ALL
DEEP
EP
ALL
DEEP
6013
EP,EN
ALL
LOW
GENERAL
7014
EP,EN
ALL
MED
7018
EP
ALL
LOW
SMOOTH, EASY,
FAST
LOW HYDROGEN,
STRONG
7024
EP,EN
NI-CL
EP
FLAT
HORIZ
FILLET
ALL
308L
EP
ALL
USAGE
PENETRATION
EP
6011
AC
3/32
1/8
5/32
3/16
7/32
1/4
1/16
5/64
3/32
1/8
5/32
3/16
7/32
1/4
3/32
1/8
5/32
3/16
7/32
1/4
3/32
1/8
5/32
3/16
7/32
1/4
3/32
1/8
5/32
3/16
7/32
1/4
3/32
1/8
5/32
3/16
3/32
1/8
5/32
DC*
450
400
350
300
AMPERAGE
RANGE
250
200
150
POSITION
6013
6010
ELECTRODE
6010
&
6011
100
50
DIAMETER
ELECTRODE
10-2. Electrode and Amperage Selection Chart
MIN. PREP, ROUGH
HIGH SPATTER
LOW
SMOOTH, EASY,
FASTER
LOW
CAST IRON
LOW
STAINLESS
*EP = ELECTRODE POSITIVE (REVERSE POLARITY)
EN = ELECTRODE NEGATIVE (STRAIGHT POLARITY)
Ref. S-087 985-A
10-3. Striking an Arc − Scratch Start Technique
1
1
2
3
Electrode
Workpiece
Arc
Drag electrode across workpiece
like striking a match; lift electrode
slightly after touching work. If arc
goes out electrode was lifted to
high. If electrode sticks to workpiece, use a quick twist to free it.
2
3
S-0049
10-4. Striking an Arc − Tapping Technique
1
1
2
3
2
Electrode
Workpiece
Arc
Bring electrode straight down to
workpiece; then lift slightly to start
arc. If arc goes out, electrode was
lifted too high. If electrode sticks to
workpiece, use a quick twist to free it.
3
S-0050
OM-2233 Page 34
Return To Table Of Contents
10-5. Positioning Electrode Holder
10°-30°
90°
90°
End View of Work Angle
Side View of Electrode Angle
GROOVE WELDS
10°-30°
45°
45°
End View of Work Angle
Side View of Electrode Angle
FILLET WELDS
S-0060
10-6. Poor Weld Bead Characteristics
1
2
3
4
5
Large Spatter Deposits
Rough, Uneven Bead
Slight Crater During Welding
Bad Overlap
Poor Penetration
1
2
4
3
5
S-0053-A
10-7. Good Weld Bead Characteristics
1
2
3
Fine Spatter
Uniform Bead
Moderate Crater During
Welding
Weld a new bead or layer for each
1/8 in. (3.2 mm) thickness in metals
being welded.
4
5
1
2
3
4
No Overlap
Good Penetration into Base
Metal
5
S-0052-B
Return To Table Of Contents
OM-2233 Page 35
10-8. Conditions That Affect Weld Bead Shape
NOTE
Weld bead shape is affected by electrode angle, arc length, travel speed, and
thickness of base metal.
Angle Too Small
Correct Angle
10° - 30°
Angle Too Large
Drag
ELECTRODE ANGLE
Spatter
Normal
Too Short
Too Long
ARC LENGTH
Normal
Slow
Fast
TRAVEL SPEED
S-0061
10-9. Electrode Movement During Welding
NOTE
Normally, a single stringer bead is satisfactory for most narrow groove weld joints;
however, for wide groove weld joints or bridging across gaps, a weave bead or
multiple stringer beads work better.
1
2
1
2
3
Stringer Bead − Steady
Movement Along Seam
Weave Bead − Side to Side
Movement Along Seam
Weave Patterns
Use weave patterns to cover a wide
area in one pass of the electrode.
Do not let weave width exceed
2-1/2 times diameter of electrode.
3
S-0054-A
OM-2233 Page 36
Return To Table Of Contents
10-10. Butt Joints
1
1
2
Tack Welds
Prevent edges of joint from drawing
together ahead of electrode by tack
welding the materials in position before final weld.
2
Square Groove Weld
Good for materials up to 3/16 in (5
mm) thick.
3
1/16 in
(1.6 mm)
30°
Single V-Groove Weld
Good for materials 3/16 − 3/4 in
(5-19 mm) thick. Cut bevel with oxyacetylene or plasma cutting equipment. Remove scale from material
after cutting. A grinder can also be
used to prepare bevels.
4
3
Create 30 degree angle of bevel on
materials in V-groove welding.
4
Double V-Groove Weld
Good for materials thicker than 3/16
in (5 mm).
S-0662
10-11. Lap Joint
30°
Or Less
30°
Or Less
1
1
1
2
Move electrode in circular motion.
3
Single-Layer Fillet Weld
Multi-Layer Fillet Weld
Weld a second layer when a heavier fillet is needed. Remove slag before making another weld pass.
Weld both sides of joint for maximum strength.
3
2
Electrode
Single-Layer Fillet Weld
Multi-Layer Fillet Weld
S-0063 / S-0064
10-12. Tee Joint
1
2
Keep arc short and move at definite
rate of speed. Hold electrode as
shown to provide fusion into the
corner. Square edge of the weld
surface.
1
2
45°
Or Less
Electrode
Fillet Weld
For maximum strength weld both
sides of upright section.
2
3
Multi-Layer Deposits
Weld a second layer when a heavier fillet is needed. Use any of the
weaving patterns shown in Section
10-9. Remove slag before making
another weld pass.
1
3
S-0060 / S-0058-A / S-0061
Return To Table Of Contents
OM-2233 Page 37
10-13. Weld Test
1
2
3
3
Strike weld joint in direction shown.
A good weld bends over but does
not break.
3
2 To 3 in
(51-76 mm)
1/4 in
(6.4 mm)
Vise
Weld Joint
Hammer
2 To 3 in
(51-76 mm)
2
2
1
1
S-0057-B
10-14. Troubleshooting − Porosity
Porosity − small cavities or holes resulting from gas
pockets in weld metal.
Possible Causes
Corrective Actions
Arc length too long.
Reduce arc length.
Damp electrode.
Use dry electrode.
Workpiece dirty.
Remove all grease, oil, moisture, rust, paint, coatings, slag, and dirt from work surface before
welding.
10-15. Troubleshooting − Excessive Spatter
Excessive Spatter − scattering of molten metal particles
that cool to solid form near weld bead.
Possible Causes
Corrective Actions
Amperage too high for electrode.
Decrease amperage or select larger electrode.
Arc length too long or voltage too high.
Reduce arc length or voltage.
OM-2233 Page 38
Return To Table Of Contents
10-16. Troubleshooting − Incomplete Fusion
Incomplete Fusion − failure of weld metal to fuse completely with
base metal or a preceeding weld bead.
Possible Causes
Corrective Actions
Insufficient heat input.
Increase amperage. Select larger electrode and increase amperage.
Improper welding technique.
Place stringer bead in proper location(s) at joint during welding.
Adjust work angle or widen groove to access bottom during welding.
Momentarily hold arc on groove side walls when using weaving technique.
Keep arc on leading edge of weld puddle.
Workpiece dirty.
Remove all grease, oil, moisture, rust, paint, coatings, slag, and dirt from work surface before
welding.
10-17. Troubleshooting − Lack Of Penetration
Lack Of Penetration − shallow fusion between weld metal and
base metal.
Lack of Penetration
Good Penetration
Possible Causes
Corrective Actions
Improper joint preparation.
Material too thick. Joint preparation and design must provide access to bottom of groove.
Improper weld technique.
Keep arc on leading edge of weld puddle.
Insufficient heat input.
Increase amperage. Select larger electrode and increase amperage.
Reduce travel speed.
10-18. Troubleshooting − Excessive Penetration
Excessive Penetration − weld metal melting through base metal and
hanging underneath weld.
Excessive Penetration
Possible Causes
Excessive heat input.
Good Penetration
Corrective Actions
Select lower amperage. Use smaller electrode.
Increase and/or maintain steady travel speed.
Return To Table Of Contents
OM-2233 Page 39
10-19. Troubleshooting − Burn-Through
Burn-Through − weld metal melting completely through base metal resulting
in holes where no metal remains.
Possible Causes
Excessive heat input.
Corrective Actions
Select lower amperage. Use smaller electrode.
Increase and/or maintain steady travel speed.
10-20. Troubleshooting − Waviness Of Bead
Waviness Of Bead − weld metal that is not parallel and does not cover
joint formed by base metal.
Possible Causes
Unsteady hand.
Corrective Actions
Use two hands. Practice technique.
10-21. Troubleshooting − Distortion
Distortion − contraction of weld metal during welding that forces base
metal to move.
Base metal moves
in the direction of
the weld bead.
Possible Causes
Excessive heat input.
Corrective Actions
Use restraint (clamp) to hold base metal in position.
Make tack welds along joint before starting welding operation.
Select lower amperage for electrode.
Increase travel speed.
Weld in small segments and allow cooling between welds.
OM-2233 Page 40
Return To Table Of Contents
Notes
Return To Table Of Contents
OM-2233 Page 41
SECTION 11 − PARTS LIST
Hardware is common and not available unless listed.
12
27
13
28
26
28
25
26
615
27
34
11
8
6
19
18
30
16
401
400
402
10
14
32
3
31
15
2
29
614
17
4
9
1
33
601
5
600
Figure 11-1. Main Assembly
OM-2233 Page 42
Return To Table Of Contents
803 107-D
Item
No.
Dia.
Mkgs.
Part
No.
Description
Quantity
Figure 11-1. Main Assembly
1 . . . . . . . . . . . . . . . . . Fig11-2
2 . . . . . . . . . . . . . . . . . Fig11-3
3 . . . . . . . . . . . . . . . . . Fig11-4
4 . . . . . . . . . . . . . . . . . Fig11-5
5 . . . . . . . . . . . . . . . . . Fig11-7
6 . . . . . . . . S1 . . . . . 128756
8 . . . . . . . PM1 . . . . . 204821
9 . . . . . . . . . . . . . . . . . . 049611
10 . . . . . . . . . . . . . . . . 196727
11 . . . . . . . . . . . . . . . +195643
12 . . . . . . . . . . . . . . . . 206108
13 . . . . . . . . . . . . . . . . 195663
14 . . . . . . . . . . . . . . . . 189782
15 . . . . . . . C7 . . . . . 213974
16 . . . . . . . . . . . . . . . . 189778
17 . . . . . . . . . . . . . . . . 203485
18 . . . . . . . . . . . . . . . . 202400
19 . . . . . . . . . . . . . . . . 189779
25 . . . . . . . . . . . . . . . . 189784
26 . . . . . . . . . . . . . . . . 198147
27 . . . . . . . . . . . . . . . . 199478
28 . . . . . . . . . . . . . . . . 203990
28 . . . . . . . . . . . . . . . . . 179310
29 . . . . . . . . . . . . . . . . 185835
29 . . . . . . . . . . . . . . . . . 185836
30 . . . . . . . . . . . . . . . . . 208998
31 . . . . . . . . . . . . . . . . 155436
32 . . . . . . . . . . . . . . . . 182826
33 . . . . . . . . . . . . . . . . 207310
34 . . . . . . . . . . . . . . . . 215002
400 . . . . . PC2 . . . . . 200851
401 . . . . . PC1 . . . . . 206129
402 . . . . PC10 . . . . 200841
. . . . . . . . . PC9 . . . . . 199506
600 . . . . . . . . . . . . . . . 186329
601 . . . . . . . . . . . . . . . 083883
614 . . . . . . . . . . . . . . . 136343
615 . . . . . . . . . . . . . . . 200565
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
Panel, Front W/Cmpnt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Panel, Rear W/Cmpnt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Magnetics Subassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windtunnel, W/Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Base Assy, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Switch, Tgl 3pst 40a 600vac Scr Term Wide Tgl . . . . . . . . . . . . . . . . . . . .
Kit, Input/Pre-Regulator Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tubing, Cop .540 Od X .123 Wall X .687 . . . . . . . . . . . . . . . . . . . . . . . . . .
Cable, Power 10 Ft 12ga 4c Blk/Red/Wht/Grnyel . . . . . . . . . . . . . . . . . . .
Wrapper, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Handle, Rubberized Carrying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Strap, Shoulder 6 Ft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Insulator, Interconnect Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Capacitor Assy, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Plug, W/Leads Vfb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Plug, W/Leads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Plug, W/Leads Boost Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cable, Lem W/Plugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Insulator, Wrapper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Label, Side Maxstar 200 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Label, Miller 6.000 X 2.500 Horizontal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Label, Warning General Precautionary (Non CE Models) . . . . . . . . . . . .
Label, Warning General Precautionary (CE Models) . . . . . . . . . . . . . . . .
Label, Warning Electric Shock/Exploding Parts (Non CE Models) . . . . . .
Label, Warning Electric Shock/Exploding Parts (CE Models) . . . . . . . . .
Label, Rating Card Code 122 Serial & Stock Number . . . . . . . . . . . . . . .
Label, Ground/Protective Earth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Label, Warning Electric Shock Power Cord . . . . . . . . . . . . . . . . . . . . . . . .
Core, Toroidal (CE Models Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clip, Support PC Mtg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Card Assy, Power Interconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Card Assy, Inverter Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Card Assy, Boost Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Card Assy, Input Filter (CE Models Only) . . . . . . . . . . . . . . . . . . . .
Screw, M10−1.5x 25 Hex Hd−pln 8.8 Pld . . . . . . . . . . . . . . . . . . . . . . . . . .
Washer, Lock .402idx0.709odx.087t Stl Split10mm . . . . . . . . . . . . . . . . .
Screw, K50x 20 Pan Hd−phl Stl Pld Pt Thread Forming . . . . . . . . . . . . .
Screw, M 5−.8x 35 pan hd stl pld sems . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
1
1
1
1
1
1
2
1
1
1
1
2
2
2
2
+When ordering a component originally displaying a precautionary label, the label should also be ordered.
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts.
Model and serial number required when ordering parts from your local distributor.
Return To Table Of Contents
OM-2233 Page 43
Hardware is common and not available unless listed.
400
10
601
1
17
3
603
6
7
14
4
13
5
12
2
605
9
15
11
16
8
Item
No.
Dia.
Mkgs.
Figure 11-2. Panel, Front w/Components
Part
No.
Description
202 508-B
Quantity
11-2. Panel, Front w/Components (Figure 11-1 Item 1)
1 . . . . . . . . . . . . . . . . . 194242
2 . . . . . . . . . . . . . . . . . 195647
3 . . . . . . . . . . . . . . . . . 202325
4 . . . . . . . . . . . . . . . . . 174992
5 . . . . . . . . . . . . . . . . . 174991
6 . . . . . . . . . . . . . . . . . 202323
6 . . . . . . . . . . . . . . . . . 202722
7 . . . . . . . . . . . . . . . . . 178355
8 . . . . . . . . . . . . . . . . . 202553
9 . . . . . . . . . . . . . . . . . 207253
10 . . . . . . . . . . . . . . . . 200659
11 . . . . . . . . . . . . . . . . . 185712
12 . . . . . . . . . . . . . . . . . 185713
13 . . . . . . . . . . . . . . . . . 185714
14 . . . . . . . . . . . . . . . . . 185717
15 . . . . . . . . . . . . . . . . . 185718
16 . . . . . . . . . . . . . . . . . 186228
17 . . . . . . . . . . . . . . . . . 202326
400 . . . . . PC3 . . . . . *213922
400 . . . . . PC3 . . . . **217272
603 . . . . . . . . . . . . . . . 178548
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
....
Panel, Front/Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Panel, Front Lower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Panel, Front Upper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Knob, Pointer .840 Dia X .250 Id W/Spring Clip−.21 . . . . . . . . . . . . . . . . .
Knob, Pointer 1.250 Dia X .250 Id W/Spring Clip−.21 . . . . . . . . . . . . . . .
Nameplate, Miller Maxstar 200ST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nameplate, Miller Maxstar 200ST (CE Models Only) . . . . . . . . . . . . . . . .
Nut, 375−32 .54hex .25h Nyl Flange .62d . . . . . . . . . . . . . . . . . . . . . . . . .
Rcpt, Tw Lk Insul Fem(Dinse Type)50/70 Series Wsl . . . . . . . . . . . . . . . .
Plug, Gas Fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead List, Small . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Insulator, Bulkhead Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Insulator, Bulkhead Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Washer, Tooth 20MM I.D. X 32MM O.D. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nut, M20 X 1.5 1.0625 Hex .19 H Locking . . . . . . . . . . . . . . . . . . . . . . . . . .
O-Ring 0.989 I.D. X 0.070 Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O-Ring 0.739 I.D. X 0.070 Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recpt w/leads and plug 14-pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Card Assy, Front Panel Interface W/Program . . . . . . . . . . . . . . . .
Circuit Card Assy, Front Panel Interface W/Program . . . . . . . . . . . . . . . .
Terminal, Connector Friction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
1
1
2
1
1
1
3
2
1
1
2
2
2
2
2
2
1
1
1
1
* For models with stock number 907036 or 907037.
** For models with stock number 907220.
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
OM-2233 Page 44
Return To Table Of Contents
Hardware is common and not available unless listed.
3
5
4
601
1
600
2
202 397-A
Figure 11-3.Panel, Rear w/Components
Item
No.
Dia.
Mkgs.
Part
No.
Description
Quantity
Figure 11-3. Panel, Rear w/Components (Figure 11-1 Item 2)
1 . . . . . . . . . . . . . . . . . 194242
2 . . . . . . . . . . . . . . . . . 206053
3 . . . . . . . . . . . . . . . . . 195646
4 . . . . . . . . . . . . . . . . . . 201155
5 . . . . . . . . . . . . . . . . . 202723
600 . . . . . . . . . . . . . . . 198245
601 . . . . . . . . . . . . . . . 166560
....
....
....
....
....
....
....
Panel, Front/Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Panel, Rear Lower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Panel, Rear Upper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bushing, Strain Relief .450/.709 Id X1.068 Mtg Hole . . . . . . . . . . . . . . . .
Blank, Nyl .758 Hex Hole Black . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nut, Conduit .750 Npt Pld 1.388 Od X .150 Thk . . . . . . . . . . . . . . . . . . . .
Ring, Rtng Ext .500 Shaft X .042 Thk E Style Bowed . . . . . . . . . . . . . . .
1
1
1
1
1
1
1
+When ordering a component originally displaying a precautionary label, the label should also be ordered.
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
Return To Table Of Contents
OM-2233 Page 45
603
604
613
613
3
17
605
13
603
14
10
12
12
9
1
14
611
13
603
604
605
614
Hardware is common and
not available unless listed.
8
11
6
Figure 11-4. Magnetics Assembly w/Components
Item
No.
Dia.
Mkgs.
Part
No.
Description
202 398-D
Quantity
Figure 11-4. Magnetics Assembly w/Components (Figure 11-1 Item 3)
1 .................
3 . . . . . . . FM1 . . . . .
6 . . . . . . . CR1 . . . . .
8 .................
9 . . . . . . . . L2 . . . . .
10 . . . . . . . L3 . . . . .
11 . . . . . . . T1 . . . . .
12 . . . . . . . . . . . . . . . .
13 . . . . . . . . . . . . . . . .
14 . . . . . . . . . . . . . . . .
OM-2233 Page 46
195649
196887
198549
189790
210599
206020
212268
109056
196512
196514
....
....
....
....
....
....
....
....
....
....
Panel, Plenum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fan, Muffin 24vdc 3000 Rpm 130 Cfm 4.125 Mtg Holes . . . . . . . . . . . . .
Relay, Encl 24vdc Spst 35a/300vac 4pin Flange Mtg . . . . . . . . . . . . . . . .
Inductor, Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coil, Inductor 9t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coil, Inductor 14t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Xfmr, HF Litz/Litz w/Boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Core, Ferrite E 2.164 Lg X 1.094 High X .826 Wide . . . . . . . . . . . . . . . . .
Bracket, Inductor Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gasket, Inductor Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Return To Table Of Contents
1
1
1
1
1
1
1
2
2
2
Item
No.
Dia.
Mkgs.
Part
No.
Description
Quantity
Figure 11-4. Magnetics Assembly w/Components
(Figure 11-1 Item 3) (Continued)
17 . . . . . . . . . . . . . . . . 193415 . . . . Connector, Faston male . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
603 . . . . . . . . . . . . . . . 057357 . . . . Bushing, Snap−in Nyl .937 Id X 1.125 Mtg Hole . . . . . . . . . . . . . . . . . . . . 4
604 . . . . . . . . . . . . . . . 182737 . . . . Screw, 010−32x2.00 Rnd Hd−slt Brs Pln . . . . . . . . . . . . . . . . . . . . . . . . . . 4
605 . . . . . . . . . . . . . . . 156734 . . . . Nut, 010−32 .31hex .13h Stl Pld Sem Cone Wshr.38d . . . . . . . . . . . . . . . 4
611 . . . . . . . . . . . . . . . 136343 . . . . Screw, K50x 20 Pan Hd−phl Stl Pld Pt Thread Forming . . . . . . . . . . . . . 2
613 . . . . . . . . . . . . . . . 083147 . . . . Grommet, Scr No 8/10 Panel Hole .312 Sq .500 High . . . . . . . . . . . . . . . 2
614 . . . . . . . . . . . . . . . 010381 . . . . Connector, Rectifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
Return To Table Of Contents
OM-2233 Page 47
Hardware is common and
not available unless listed.
ST-199 494
Figure 11-5. Windtunnel w/Components
10
Item
No.
Dia.
Mkgs.
Part
No.
Description
Quantity
Figure 11-5. Windtunnel w/Components (Figure 11-1 Item 4)
1 . . . . . . . . . . . . . . . . . . 195645
2 . . . . . . . . . . . . . . . . . . 198634
3 . . . . . . . . . . . . . . . . . . 198633
4 . . . . . . . . . . . . . . . . . . 189777
5 . . . . . . . . . . . . . . . . . . 198652
6 . . . . . . . . . . . . . . . . . +209949
7 . . . . . . . . . . . . . . . . . . 199497
8 . . . . . . . . L1 . . . . . . 189787
9 . . . . . . . . . . . . . . . . . . 199538
10 . . . . . . . C9 . . . . . . 151328
602 . . . . . . . . . . . . . . . . 154408
....
....
....
....
....
....
....
....
....
....
....
Panel, Midplain Horizontal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bracket, Front Heatsink Mtg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wind Tunnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rail, Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bracket, Windtunnel Insulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heat Sink, Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heat Sink, Secondary Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Choke, Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Grommet, Scr No 8/10 Panel Hole .281 Sq .250 High (CE Models Only)
Capacitor, Polyp Met Film .0047Uf 1000 Vdc W/T (CE Models Only) . .
Bushing, Snap−in Nyl .562 Id X .875 Mtg Hole Cent . . . . . . . . . . . . . . . .
1
1
1
2
2
1
1
1
4
1
1
+When ordering a component originally displaying a precautionary label, the label should also be ordered.
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
OM-2233 Page 48
Return To Table Of Contents
Hardware
is common and
not available unless listed.
199 497-C
Figure 11-6. Heat Sink, Secondary Assembly
Item
No.
Dia.
Mkgs.
Part
No.
Description
Quantity
Figure 11-6. Heat Sink, Secondary Assembly (Figure 11-5 Item 7)
1 . . . . . . . . . . . . . . . . . . 210783 . . . . Heat Sink, Diode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 . . . . . . . . D1 . . . . . . 204820 . . . . Kit, Diode, Ultra Fast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3 . . . . . . . HD1 . . . . . . 198028 . . . . Transducer, Current 100a Module Supply V+/− 15v . . . . . . . . . . . . . . . . . 1
4 . . . . . . . RT1 . . . . . . 211124 . . . . Thermistor, Ntc 30k Ohm @ 25 Deg C 18 in Lead . . . . . . . . . . . . . . . . . . 1
5 . . . . . . R2, C6 . . . . 206021 . . . . Resistor/Capacitor, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
6 . . . . . . R1, C5 . . . . 199138 . . . . Resistor/Capacitor, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
7 . . . . . . . SR1 . . . . . . 199952 . . . . Diode, Power Module 50 Amp 600V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
600 . . . . . . . . . . . . . . . . 143360 . . . . Screw, 008−32x .50 Pan Hd−Phl Stl Pld . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
601 . . . . . . . . . . . . . . . . 129351 . . . . Screw, 008−32x .50 Hexwhd.34d Stl Pld Slffmg Tap−rw . . . . . . . . . . . . . 1
602 . . . . . . . . . . . . . . . . 207451 . . . . Screw, 008−32x .50 Pan Hd Phl Stl Pld Sems . . . . . . . . . . . . . . . . . . . . . . 1
604 . . . . . . . . . . . . . . . . 156579 . . . . Screw, 004−40x .37 Soc Hd−hex Stl Pld . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
605 . . . . . . . . . . . . . . . . 156580 . . . . Washer, Lock .114idx0.209odx.025t Stl Pld Split #4 . . . . . . . . . . . . . . . . . 4
606 . . . . . . . . . . . . . . . . 196683 . . . . Screw, M 6−1.0x 16 Pan Hd−phl Stl Pld Sems . . . . . . . . . . . . . . . . . . . . . 2
607 . . . . . . . . . . . . . . . . 602200 . . . . Washer, lock .168 ID x .277 OD x .04 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
Return To Table Of Contents
OM-2233 Page 49
Hardware is common and
not available unless listed.
199 493-B
Figure 11-7. Base Assembly
Item
No.
Dia.
Mkgs.
Part
No.
Description
Quantity
Figure 11-7. Base Assembly (Figure 11-1 Item 5)
1 . . . . . . . . . . . . . . . . . . 195644 . . . . Base, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 . . . . . . . . . . . . . . . . . . 019663 . . . . Mount, Nprn 15/16odx3/8rec 3/16x3/8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
OM-2233 Page 50
Return To Table Of Contents
Effective January 1, 2003
(Equipment with a serial number preface of “LC” or newer)
This limited warranty supersedes all previous Miller warranties and is exclusive with no other
guarantees or warranties expressed or implied.
Warranty Questions?
Call
1-800-4-A-MILLER
for your local
Miller distributor.
LIMITED WARRANTY − Subject to the terms and conditions
below, Miller Electric Mfg. Co., Appleton, Wisconsin, warrants
to its original retail purchaser that new Miller equipment sold
after the effective date of this limited warranty is free of defects
in material and workmanship at the time it is shipped by Miller.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE
WARRANTIES OF MERCHANTABILITY AND FITNESS.
Your distributor also gives
you ...
Within the warranty periods listed below, Miller will repair or
replace any warranted parts or components that fail due to
such defects in material or workmanship. Miller must be
notified in writing within thirty (30) days of such defect or
failure, at which time Miller will provide instructions on the
warranty claim procedures to be followed.
Service
You always get the fast,
reliable response you
need. Most replacement
parts can be in your
hands in 24 hours.
Support
Need fast answers to the
tough welding questions?
Contact your distributor.
The expertise of the
distributor and Miller is
there to help you, every
step of the way.
Miller shall honor warranty claims on warranted equipment
listed below in the event of such a failure within the warranty
time periods. All warranty time periods start on the date that
the equipment was delivered to the original retail purchaser, or
one year after the equipment is sent to a North American
distributor or eighteen months after the equipment is sent to an
International distributor.
1.
5 Years Parts — 3 Years Labor
*
*
2.
3 Years — Parts and Labor
*
*
*
*
*
*
*
3.
Original main power rectifiers
Inverters (input and output rectifiers only)
Transformer/Rectifier Power Sources
Plasma Arc Cutting Power Sources
Semi-Automatic and Automatic Wire Feeders
Inverter Power Supplies
Intellitig
Maxstar 150
Engine Driven Welding Generators
(NOTE: Engines are warranted separately by
the engine manufacturer.)
1 Year — Parts and Labor Unless Specified
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
DS-2 Wire Feeder
Motor Driven Guns (w/exception of Spoolmate
Spoolguns)
Process Controllers
Positioners and Controllers
Automatic Motion Devices
RFCS Foot Controls
Induction Heating Power Sources
Water Coolant Systems
Flowgauge and Flowmeter Regulators (No Labor)
HF Units
Grids
Maxstar 85, 140
Spot Welders
Load Banks
Racks
Running Gear/Trailers
Plasma Cutting Torches (except APT & SAF
Models)
Field Options
(NOTE: Field options are covered under True
Blue for the remaining warranty period of the
product they are installed in, or for a minimum of
one year — whichever is greater.)
4.
6 Months — Batteries
5.
90 Days — Parts
*
MIG Guns/TIG Torches
*
*
*
*
*
*
*
Induction Heating Coils and Blankets
APT & SAF Model Plasma Cutting Torches
Remote Controls
Accessory Kits
Replacement Parts (No labor)
Spoolmate Spoolguns
Canvas Covers
Miller’s True Blue Limited Warranty shall not apply to:
1.
Consumable components; such as contact tips,
cutting nozzles, contactors, brushes, slip rings,
relays or parts that fail due to normal wear.
(Exception: brushes, slip rings, and relays are
covered on Bobcat, Trailblazer, and Legend models.)
2.
Items furnished by Miller, but manufactured by others,
such as engines or trade accessories. These items are
covered by the manufacturer’s warranty, if any.
3.
Equipment that has been modified by any party other
than Miller, or equipment that has been improperly
installed, improperly operated or misused based upon
industry standards, or equipment which has not had
reasonable and necessary maintenance, or equipment
which has been used for operation outside of the
specifications for the equipment.
MILLER PRODUCTS ARE INTENDED FOR PURCHASE
AND USE BY COMMERCIAL/INDUSTRIAL USERS AND
PERSONS TRAINED AND EXPERIENCED IN THE USE
AND MAINTENANCE OF WELDING EQUIPMENT.
In the event of a warranty claim covered by this warranty, the
exclusive remedies shall be, at Miller’s option: (1) repair; or (2)
replacement; or, where authorized in writing by Miller in
appropriate cases, (3) the reasonable cost of repair or
replacement at an authorized Miller service station; or (4)
payment of or credit for the purchase price (less reasonable
depreciation based upon actual use) upon return of the goods
at customer’s risk and expense. Miller’s option of repair or
replacement will be F.O.B., Factory at Appleton, Wisconsin, or
F.O.B. at a Miller authorized service facility as determined by
Miller. Therefore no compensation or reimbursement for
transportation costs of any kind will be allowed.
TO THE EXTENT PERMITTED BY LAW, THE REMEDIES
PROVIDED HEREIN ARE THE SOLE AND EXCLUSIVE
REMEDIES. IN NO EVENT SHALL MILLER BE LIABLE FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES (INCLUDING LOSS OF
PROFIT), WHETHER BASED ON CONTRACT, TORT OR
ANY OTHER LEGAL THEORY.
ANY EXPRESS WARRANTY NOT PROVIDED HEREIN
AND ANY IMPLIED WARRANTY, GUARANTY OR
REPRESENTATION AS TO PERFORMANCE, AND ANY
REMEDY FOR BREACH OF CONTRACT TORT OR ANY
OTHER LEGAL THEORY WHICH, BUT FOR THIS
PROVISION,
MIGHT
ARISE
BY
IMPLICATION,
OPERATION OF LAW, CUSTOM OF TRADE OR COURSE
OF DEALING, INCLUDING ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR PARTICULAR
PURPOSE, WITH RESPECT TO ANY AND ALL
EQUIPMENT FURNISHED BY MILLER IS EXCLUDED AND
DISCLAIMED BY MILLER.
Some states in the U.S.A. do not allow limitations of how long
an implied warranty lasts, or the exclusion of incidental,
indirect, special or consequential damages, so the above
limitation or exclusion may not apply to you. This warranty
provides specific legal rights, and other rights may be
available, but may vary from state to state.
In Canada, legislation in some provinces provides for certain
additional warranties or remedies other than as stated herein,
and to the extent that they may not be waived, the limitations
and exclusions set out above may not apply. This Limited
Warranty provides specific legal rights, and other rights may
be available, but may vary from province to province.
miller_warr 8/03
Owner’s Record
Please complete and retain with your personal records.
Model Name
Serial/Style Number
Purchase Date
(Date which equipment was delivered to original customer.)
Distributor
Address
City
State
Zip
For Service
Call 1-800-4-A-Miller or see our website at www.MillerWelds.com
to locate a DISTRIBUTOR or SERVICE AGENCY near you.
Always provide Model Name and Serial/Style Number.
Contact your Distributor for:
Welding Supplies and Consumables
Options and Accessories
Personal Safety Equipment
Service and Repair
Miller Electric Mfg. Co.
An Illinois Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA
Replacement Parts
Training (Schools, Videos, Books)
International Headquarters−USA
USA Phone: 920-735-4505 Auto-Attended
USA & Canada FAX: 920-735-4134
International FAX: 920-735-4125
Technical Manuals (Servicing Information
and Parts)
Circuit Diagrams
European Headquarters −
United Kingdom
Phone: 44 (0) 1204-593493
FAX: 44 (0) 1204-598066
Welding Process Handbooks
www.MillerWelds.com
Contact the Delivering Carrier to:
File a claim for loss or damage during
shipment.
For assistance in filing or settling claims, contact
your distributor and/or equipment manufacturer’s
Transportation Department.
PRINTED IN USA
 2003 Miller Electric Mfg. Co.
1/03
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