PDF - MK Products

PDF - MK Products
 ver | 091-0240
PG/SG
550
01000
24 VDC
July 1996
145-XXX
146-xxx
OWNERS MANUAL
Prince Torch/Spool Gun
MODEL NO'S. 145 & 146
MK PRODUCTS, INC., 16882 ARMSTRONG AVE., IRVINE, CALIFORNIA 92606
TEL (714) 863-1234 FAX (714) 474-1428
TABLE OF CONTENTS
Safety Considerations.................._........... ee rreeceenarecaraceaee ner rene. 2,3,4,5
Introduction ................….…rrccrerrrarrecsrrrenerenrannasrenrarenannaase rase res rene c en na care enae ces s 6
SPECITICATIONS .…................…crrerrrereccenrecerenrenranenaarerrrenenenaanaacaaaaaansena annee 7
Prince TOFCN LL eee eee eee eee eee aera 7
SPOON GUN eee eee eee eee. 7
Contact Tips ...............re.eevevereenenccerrrecic eee reee eee eee eee 8
Gas CUps...................eereecarecacerceccarenere eee eee ene ener eee enero 8
LINerS.................emneccnirneecennecee reee acercan erre erate eee eee rere e aaa 8
Optional KitS occa eee eee eee eee eee eee eee, 9
Interconnections ..................e.....ee.e0errerereii recaer erererereeeerece econo 10, 11
Operation ...................e.....eieernrerrececen on ec ece ee ee rior een RER RR RE RER E RER RER ARE RER 12
Barrels, Potentiometer, Micro Switch, Lead Assemblies, Drive 8: Idler Rolls
Idler Arm Installation / Removal ee rennes 14
Installing Spool Adaptor ........................eeeeeereeeree eee enano rene eerorereeees 15
Spool Gun................_.e.eeeeeeeeeecereece reee nene nera eee eee reee nenererreeree nao. 16
Wire loading procedures, Torch disassembly, Maintenance
WC-1 Operation een eee eee eee nara nan nar annee 17
Constant Voltage Operation rennes 18
Constant Current Operation …....….......…......rrerssersseereenssenseennees 19
Troubleshooting / Maintenance ….…….…........rrererrerrsrscarrrrrrr rennes ccees 20, 21
Drawings / Charts
Assembly Drawing - Prince Torch …….…..…........…..rrerssssssrrensensarcnces 22
Parts List «coerce eee s 23
Lead Assembilies .......................eeeeeeereoreccerria ree eee DD IZDA 24
Assembly Drawing - Spool Adaptor ......................eesververerr ee 25
Dimension Drawing - WC-1 Weld Control Box .............................. 26
Schematic Drawing - WC-1 Weld Control Box ........................e..... 27
Wiring Block Diagram - WC-1 Weld Control Box ....................—.—.—.... 28
Warranty ..................r.e=ermevccocaceoneeeeieo ere ace eee eee rere teeta area are anne 29
Page - 1
ME
SAFETY CONSIDERATIONS
ELECTRIC ARC WELDING EQUIPMENT
CAUTION : READ BEFORE ATTEMPTING INSTALLATION, OPERATION OR
MAINTENANCE OF THIS EQUIPMENT
1-1 INTRODUCTION
This equipment is intended for ultimate application by commer-
cial/industria! users and for operation by persons trained and ex-
perienced in the use and maintenance of welding equipment.
Operation should not be undertaken without adequate training in
the use of such equipment. Training is available from many
public and private schools or similar facilities.
Safe practices in the installation, operation and maintenance of
this equipment requires proper training in the art, a careful study
of the information provided with the equipment, and the use of
common sense. Rules for safe use are generally provided by
suppliers of welding power sources, compressed gas suppliers,
and electrode suppliers. Careful compliance with these rules will
promote safe use of this equipment.
The following Safety Rules cover some of the more generally
found situations. READ THEM CAREFULLY. In case of any doubt,
obtain qualified help before proceeding.
1-2 GENERAL PRECAUTIONS
A. Burn Prevention
ELECTRIC ARC WELDING PRODUCES HIGH INTENSITY HEAT
AND ULTRA-VIOLET RADIANT ENERGY WHICH MAY CAUSE
SERIOUS AND PERMANENT EYE DAMAGE AND WHICH MAY
DAMAGE ANY EXPOSED SKIN AREAS.
Wear helmet with safety goggles or glasses with side shields
underneath, appropriate filter lenses or plates (protected by clear
cover glass). This is a must for welding or cutting (and chipping)
to protect the eyes from radiant energy and flying metal. Replace
cover glass when broken, pitted, or spattered.
Medical first aid and eye treatment. First aid facilities and a
qualified first aid person should be available for each shift unless
medical facilities are close by for immediate treatment of flash
burns of the eyes and skin burns.
Wear protective clothing - leather (or asbestos) gauntlet gloves,
hat, and high safety-toe shoes. Button shirt collar and pocket
flaps, and wear cuffless trousers to avoid entry of sparks and slag.
Avoid oily or greasy clothing. A spark may ignite them.
Flammable hair preparations should not be used by persons
intending to weld or cut.
Hot metal such as electrode stubs and work pieces should never
be handled without gloves.
Ear plugs should be worn when working on overhead or in a
confined space. A hard hat should be worn when others work
overhead.
B. Toxic Fume Prevention
Adequate ventilation. Severe discomfort, illness or death can
result from fumes, vapors, heat, or oxygen enrichment or
depletion that welding (or cutting) may produce. Prevent them
with adequate ventilation. NEVER ventilate with oxygen.
Lead-, cadmium-, zinc-, mercury-, beryllium-bearing and similar
materials, when welded or cut, may produce harmful concentra-
tions of toxic fumes. Adequate local exhaust ventilation must be
used, or each person in the area, as well as the operator, must
wear an air-supplied respirator. For beryllium, both must be used.
Metals coated with or containing materials that emit toxic fumes
should not be heated unless coating is removed form the work
surface, the area is well ventilated, or the operator wears an air-
supplied respirator.
Work in a confined space only while it is being ventilated and, if
necessary, while wearing an air-supplied respirator.
Gas leaks in a confined space should be avoided. Leaked gas in
large quantities can change oxygen concentration dangerously.
Do not bring gas cylinders into a confined space.
Leaving confined space, shut OFF gas supply at source to prevent
possible accumulation of gases in the space if downstream valves
have been accidently opened or left open. Check to be sure that
the space is safe before re-entering it.
Vapors from chlorinated solvents can be decomposed by the heat
of the arc (or flame) to form PHOSGENE, a highly toxic gas, and
other lung and eye irritating products. The ultraviolet (radiant)
energy of the arc can also decompose trichloroethylene and
perchloroethylene vapors to form phosgene. DO NOT WELD or
cut where solvent vapors can be drawn into the welding or cutting
atmosphere or where the radiant energy can penetrate to
atmospheres containing even minute amounts of trichloroeth-
ylene or perchloroethylene.
C. Fire and Explosion Prevention
Causes of fire and explosion are: combustibles reached by the
arc, flame, flying sparks, hot slag, or heated material, misuse of
compressed gases and cylinders, and short circuits.
BE AWARE THAT flying sparks or falling slag can pass through
cracks, along pipes, through windows or doors, and through wall
or floor openings, out of sight of the goggled operator. Sparks
can fly many feet.
Page - 2
To prevent fires and explosion:
Keep equipment clean and operable, free of oil, grease, and (in
electrical parts) of metallic particles that can cause short circuits.
if combustibles are in area, do NOT weld or cut. Move the work if
practicable, to an area free of combustibles. Avoid paint spray
rooms, dip tanks, storage areas, ventilators. If the work cannot be
moved, move combustibles at least 35 feet away, out of reach of
sparks and heat; or protect against ignition with suitable and
snug-fitting, fire-resistant covers or shields.
Walls touching combustibles on opposite sides should not be
welded on (or cut). Walls, ceilings, and floor near work should be
protected by heat-resistant covers or shields.
Fire watcher must be standing by with suitable fire extinguishing
equipment during and for some time after weiding or cutting if:
a. appreciable combustibles (including building construction) are
within 35 feet.
b. appreciable combustibles are further than 35 feet, but can be
ignited by sparks.
с. openings (concealed or visible) in floors or walls within 35 feet
may expose combustibles to sparks.
d. combustibles adjacent to walls, ceilings, roofs, or metal
partitions can be ignited by radiant or conducted heat.
Hot work permit should be obtained before operation to ensure
supervisor's approval that adequate precautions have been taken.
After work is done, check that area is free of sparks, glowing
embers, and flames.
An empty container that held combustibles, or that can produce
flammable or toxic vapors when heated, must never be welded on
or cut, unless container has first been cleaned in accordance with
industry standards.
This includes: a thorough steam or caustic cleaning (or a solvent
of water washing, depending on the combustible’s solubility),
followed by purging and inerting with nitrogen or carbon dioxide,
and using protective equipment.
Water-filling just below working level may substitute for inerting.
A container with unknown contents should be cleaned (see
paragraph above). Do NOT depend on sense of smell or sight to
determine if it is safe to weld or cut.
Hollow castings or containers must be vented before welding or
cutting. They can explode.
Explosive atmospheres. NEVER weld or cut where the air may
contain flammable dust, gas, or liquid vapors (such as gasoline).
D. Compressed Gas Equipment
The safe handling of compressed gas equipment is detailed in
numerous industry publications. The following general rules
cover many of the most common situations.
1. Pressure Regulators
Regulator relief valve is designed to protect only the regulator
from over-pressure; it is not intended to protect any downstream
equipment. Provide such protection with one or more relief
devices.
Never connect a regulator to a cylinder containing gas other than
that for which the regulator was designed.
Remove faulty regulator from service immediately for repair (first
close cylinder valve). The following symptoms indicate a faulty
regulator:
Leaks - if gas leaks externally.
Excessive Creep - if delivery pressure continues to rise with
downstream valve closed.
Faulty Gauge - if gauge pointer does not move off stop pin when
pressurized, nor returns to stop pin after pressure release.
Repair. Do NOT attempt repair. Send faulty regulators for repair
- to manufacturer's designated repair center, where special
techniques and tools are used by trained personnel.
2. Cylinders
Cylinders must be handled carefully to prevent leaks and damage
to their walis, valves, or safety devices:
Avoid electrical circuit contact with cylinders including third rails,
electrical wires, or welding circuits. They can produced short
circuit arcs that may lead to a serious accident. (See 1-3C)
ICC or DOT marking must be on each cylinder. It is an assurance
of safety when the cylinder is properly handled.
Identifying gas content. Use only cylinders with name of gas
marked on them; do not rely on color to identify gas content.
Notify supplier if unmarked. NEVER DEFACE or alter name,
number, or other markings on a cylinder. lt is illegal and
hazardous.
Empties: Keep valves closed, replace caps securely; mark MT;
keep them separate from FULLS, and return promptly.
Prohibited use. Never use a cylinder or its contents for other than
its intended use, NEVER as a support or roller.
Locate or secure cylinders so they cannot be knocked over.
Passageways and work areas. Keep cylinders clear of areas where
they may be stuck.
Transporting cylinders. With a crane, use a secure support such
as a platform or cradle. Do NOT lift cylinders off the ground by
their valves or caps, or by chains, slings, or magnets.
Do NOT expose cylinders to excessive heat, sparks, slag, and
flame, etc. that may cause rupture. Do not allow contents to
exceed 55 degrees C (130 degrees F.) Cool with water spray
where such exposure exists,
Protect cylinders, particularly valves from bumps, falls, failing
objects, and weather. Replace caps securely when moving
cylinders.
Stuck valve. Do NOT use a hammer or wrench to open a cylinder
valve that cannot be opened by hand. Notify your supplier.
Mixing gases. NEVER try to mix any gases in a cylinder,
NEVER refill any cylinder.
Cylinder fittings should never be modified or exchanged.
3. Hose
Prohibited use. Never use hose other than that designed for the
specified gas. À general hose identification rule is: red for fuel
gas, green for oxygen, and black for inert gases.
Use ferrules or clamps designed for the hose (not ordinary wire or
Page - 3
other substitute) as a binding to connect hoses to fittings.
No copper tubing splices. Use only standard brass fittings to
splice hose.
Avoid long runs to prevent kinks and abuse. Suspend hose off
ground to keep it from being run over, stepped on, or otherwise
damaged.
Coil excess hose to prevent kinks and tangles.
Protect hose from damage by sharp edges, and by sparks, slag,
and open flame.
Examine hose regularly for leaks, wear, and loose connections.
Immerse pressured hose in water; bubbles indicate leaks
Repair leaky or worn hose by cutting area out and splicing. Do
NOT use tape.
4. Proper Connections
Clean cylinder valve outlet of impurities that may clog orifices and
damage seats before connecting regulator. Except for hydrogen,
crack valve momentarily, pointing outlet away from people and
sources of ignition. Wipe with a clean, lintless cloth.
Match regulator to cylinder. Before connecting, check that the
regulator [abel and cylinder marking agree, and that the regulator
inlet and cylinder outlet match. NEVER Connect a regulator
designed for a particular gas or gases to a cylinder containing any
other gas.
Tighten connections. When assembling threaded connections,
clean and smooth seats where necessary. Tighten. If connection
leaks, disassemble, clean, and re-tighten, using properly fitting
wrench,
Adapters. Use a CGA adapter (available from your supplier)
between cylinder and regulator, if one is required. Use two
wrenches to tighten adapter marked RIGHT and LEFT HAND
threads.
Regulator outlet (or hose) connections may be identified by right
hand threads for oxygen and left hand threads (with grooved hex
on nut or shank) for fuel gas.
5. Pressurizing Steps:
Drain regulator of residual gas through suitable vent before
opening cylinder (or manifold valve) by turning adjusting screw in
(clockwise). Draining prevents excessive compression heat at
high pressure seat by allowing seat to open on pressurization.
Leave adjusting screw engaged slightly on single-stage regula-
tors.
Stand to side of regulator while opening cylinder valve.
Open cylinder valve slowly so that regulator pressure increases
slowly. When gauge is pressurized (gauge reaches regulator
maximum) leave cylinder valve in following position: for oxygen
and inert gases, open fully to seal stem against possible leak; for
fuel gas, open to less than one turn to permit quick emergency
shutoff.
Us pressure charts (available from your supplier) for safe and
efficient recommended pressure settings on regulators.
Check for leaks on first pressurization and regularly thereafter.
Brush with soap solution. Bubbles indicate leaks. Clean off
soapy water after test; dried soap is combustible.
E. User Responsibilities
Follow all Safety Rules.
Remove leaky or defective equipment from service immediately
for repair. Read and follow user manual instructions.
F. Leaving Equipment Unattended
Close gas supply at source and drain gas.
G. Rope Staging-Support
Rope staging-support should not be used for welding or cutting
operation; rope may burn.
1-3 ARC WELDING
Comply with precautions in 1-1, 1-2, and this section. Arc
Welding, properly done, is a safe process, but a careless operator
invites trouble. The equipment carries high currents at significant
voltages. The arc is very bright and hot. Sparks fly, fumes rise,
ultraviolet and infrared energy radiates, weldments are hot, and
compressed gases may be used. The wise operator avoids
unnecessary risks and protects himself and others from accidents.
A. Bum Protection
Comply with precautions in 1-2.
The welding arc is intense and visibly bright. Rs radiation can
damage eyes, penetrate lightweight clothing, reflect from light-
colored surfaces, and burn the skin and eyes. Skin burns
resemble acute sunburn; those frorn gas-shielded arcs are more
severe and painful. DON'T GET BURNED; COMPLY WITH
PRECAUTIONS.
1. Protective Clothing
Wear long-sleeve clothing in addition to gloves, hat, and shoes.
As necessary, use additional protective clothing such as leather
jacket or sleeves, flame-proof apron, and fire-resistant leggings.
Avoid outer garments of untreated cotton.
Bare skin protection. Wear dark, substantial clothing. Button
collar to protect chest and neck, and button pockets to prevent
entry of sparks.
2. Eye and Head Protection
Protect eyes from exposure to arc. Eyes may be damaged by
radiant energy when exposed to the electric arc, even when not
looking in the direction of the arc. Never look at an electric arc
without protection.
Welding helmet or shield containing a filter plate shade no. 12 or
denser must be used when welding. Place over face before
striking arc.
Protect filter plate with a clear cover plate.
Cracked or broken helmet or shield should NOT be worn;
radiation can be passed through to cause burns.
Cracked, broken, or loose filter plates must be replaced IMMEDI-
ATELY. Replace clear cover plate when broken, pitted, or
spattered.
Flash goggles with side shields MUST be worn under the helmet
to give some protection to the eyes should the helmet not be
lowered over the face before an arc is struck. Looking at an arc
momentarily with unprotected eyes (particularly a high intensity
Page - 4
gas-shielded arc) can cause a retinal burn that may leave a
permanent dark area in the field of vision.
3. Protection of Nearby Personnel
Enclose the welding area. For production welding, a separate
room or enclosed bay is best. In open areas, surround the
operation with low-reflective, non-combustible screens or panels.
Allow for free air circulation, particularly at floor level.
Viewing the weld. Provide face shields for all persons who will be
looking directly at the weld. Ce >
Others working in area. See that all persons are wearing flash
goggles.
Before starting to weld, make sure that screen flaps or bay doors
are closed.
B. Toxic Fume Prevention
Comply with precautions in 1-2B.
Generator engine exhaust must be vented to the outside air.
Carbon monoxide can kill.
C. Fire and Explosion Prevention
Comply with precautions in 1-2C.
Equipment's rated capacity. Do not overload arc welding
equipment. it may overheat cables and cause a fire.
Loose cable connections may overheat or flash and cause afire.
Never strike an arc on a cylinder or other pressure vessel. i
creates a brittle area that can cause a violent rupture or lead to
such a rupture later under rough handling.
D. Compressed Gas Equipment
Comply with precautions in 1-2D.
E. Shock Prevention
Exposed electrically hot conductors or other bare metal in the
welding circuit, or in ungrounded, electrically-HOT equipment can
fatally shock a person whose body becomes a conductor. DO
NOT STAND, SIT, LIE, LEAN ON, OR TOUCH a wet surface when
welding without suitable protection.
To protect against shock:
Keep body and clothing dry. Never work in damp area without
adequate insulation against electrical shock. Stay on a dry
duckboard, or rubber mat when dampness or sweat cannot be
avoided. Sweat, sea water, or moisture between body and an
electrically HOT part - or grounded metal - reduces the body
surface electrical resistance, enabling dangerous and possibly
lethal currents to flow through the body.
1. Grounding the Equiprnent
When installing, connect the frames of each unit such as welding
power source, control, work table, and water circulator to the
building ground. Conductors must be adequate to carry ground
currents safely. Equipment made electrically HOT by stray
currents may shock, possibly fatally. Do NOT GROUND to
electrical conduit, or to a pipe carrying ANY gas or a flammable
liquid such as oil or fuel.
Three-phase connection. Check phase requirement of equipment
before installing. If only three-phase power is available, connect
single-phase equipment to only two wires of the three-phase line.
Do NOT connect the equipment ground lead to the third (live)
wire, or the equipment will become electrically HOT - a dangerous
condition that can shock, possibly fatally.
Before welding, check ground for continuity. Be sure conductors
are touching bare metal of equipment frames at connections.
If a line cord with a ground lead is provided with the equipment
for connection to a switch box, connect the ground lead to the
~ grounded switch box. “if a three-prong plug is added for connec-
tion to a grounded mating receptacle, the ground lead must be
connected to the ground prong only. H the line cord comes with a
three-prong plug, connect to a grounded mating receptacle.
Never remove the ground prong from a plug, or use a plug with a
broken ground prong.
2. Connectors
Fully insulated lock-type connectors should be used to join
welding cable lengths.
3. Cables
Frequently inspect cables for wear, cracks, and damage.
IMMEDIATELY REPLACE those with excessively worn or damaged
insulation to avoid possibly lethal shock from bared cable.
Cables with damaged areas may be taped to give resistance
equivalent to original cable.
Keep cable dry, free of oil and grease, and protected from hot
metal and sparks.
4, Terminals and Other Exposed Parts
Terminals and other exposed parts of electrical units should have
insulating covers secured before operation.
5. Electrode Wire
Electrode wire becomes electrically HOT when the power switch
of gas metal-arc welding equipment is ON and welding gun
trigger is pressed. Keep hands and body clear of wire and other
HOT parts.
6. Safety Devices
Safety devices such as interlocks and circuit breakers should not
be disconnected or shunted out.
Before installation, inspection, or service of equipment, shut OFF
all power, and remove line fuses (or lock or red-tag switches) to
prevent accidental turning ON of power. Disconnect all cables
from welding power source, and pull all 115 volts line-cord plugs.
Do not open power circuit or change polarity while welding. If, in
an emergency, it must be disconnected, guard against shock
burns or flash frorn switch arcing.
Leaving equipment unattended. Always shut OFF, and discon-
nect all power to equipment.
Power disconnect switch must be available near the welding
power source.
Page - 5
INTRODUCTION
This manual details the installation and operation of your Prince TMTorch,
and Prince TMSpool Gun.
These torches have 7 pin “W” clocked amphenol connectors and are
designed for use with Cobramatic cabinets 150-003, 150-004, 150-103
and 150-104. To use these torches on existing 150-001, 150-002, 150-
101, 150-102 , 150-201 and 150-202 (MK3A, MK3A PS) cabinets, a 7 pin
“W” clocked adaptor, P/N 005-0162, must be used.
A WC-1 Weld Control Box, P/N 001-1055, is also offered for the Prince
Spool Gun and includes constant current Posa Start* as a standard fea-
ture.
The Prince and Prince Spool Gun are identical except for the lead assem-
blies and spool portion.
The torch resembles our highly proven KING COBRA® torch and, in
many ways, Is a scaled down version. The Prince torch uses our stan-
dard Cobra gooseneck tips and cups and many other already stocked
spare parts. Ease of maintenance was a major consideration in design-
ing this torch.
The Prince comes standard with a straight barrel, but can also be used
with an optional curved barrel available as a spare part (p/n 001-1056).
The cup end of the barrel has an adapter that is easily replaced if the cup
threads become damaged.
The wire speed control knob is located on the bottom of the torch handle
and provides 3 3/4 turns of rotation, with a maximum speed of 750 ipm.
An important feature of the Prince torch is that it can be easily converted
to a 1 Ib spool gun by simply adding a rear spool adapter kit (p/n 005-
0161) and removing the wire conduit. You may also provide the electrical
requirements by using our WC-1 weld control box (p/n 001-1055) rather
than the Cobramatic Cabinet, when using the Prince in spool applica-
tions.
Page - 6
SPECIFICATIONS
PRINCE
Wire Capacity
.030-.045 solid and hard wire
.030 - 1/16 aluminum and cored wire
Wire Speed ©
750 ipm max.
Duty Cycle o O
100% at 200 amps
with argon gas
Torch weight (less leads)
32 oz.
SPOOL GUN
Wire Capacity
.030-.045 solid and hard wire
.030 - 1/16 aluminum and cored wire
Wire Speed
750 ipm max.
Spool Size
4 inches o
Duty Cycle
100% at 200 amps
with argon gas
Torch weight (less wire & leads)
—]
40 oz. o °
Page - 7
CONTACT TIPS
Wire Size
Arc Use
Part Number
.030in./.8mm
035in. /0.9mm
1 1/2in/38.0mm
1-3/ 4in. las Smm
621-0076
621-0077
* STANDARD - FURNISHED WITH TORCH
All Contact Tips Stamped with Tip 1.D.
NOTE: Аза rule of thumb, use the smaller |.D. tip for steel, stainless steel, and the 5000 series alumi-
num. Softer alloys such as the 1000 and 4000 series aluminum require more clearance and, therefore, use a
larger 1.D. tip.
Standard Gas Cups Heavy-Duty Gas Cups
Size [.D. Part No. Size D. Part No.
5 1/4in./6.3mm 621-0079 8 1/2in./12.7mm 621-0366
6 3/8in./9.5mm 001-0137 10 5/8in./15.8mm 621-0367
* 8 1/2in./12.7mm 001-0138
10 5/8in./15.8mm 001-0139
* STANDARD - FURNISHED WITH TORCH
Barrel Liner Material Wire Type Used Part Number
x Straight Green Teflon All 615-0316
Curved Green Teflon Aluminum 615-0317
Curved Steel Spiral Steel /Cored 615-0318
1 Ib. Spool Liner Black Teflon All 615-0185
(liner only)
* STANDARD - FURNISHED WITH TORCH
Page - 8
OPTIONAL KITS
Insulated Knurled Drive Roll Kit 005-0118
For .030 through 1/16" dia. wire. Includes an insulated
drive roll p/n 511-0068 and idler roll p/n 511-0074.
.030-.035 Insulated Groove Drive Roll Kit 005-0334
For .030-.035 in/.8-.9 mm dia. aluminum wire. Includes
idler roll assy. P/N 511-0072 and drive roll
assy. P/N 511-0069.
.045 Insulated Grooved Drive Roll Kit 005-0335
For .045/1.2 mm dia. aluminum wire. Includes idler
roll assy. P/N 511-0072 and drive roll assy.
P/N 511-0070.
NOTE : Insulated drive roll kits are used to prevent preheating of the wire which may
soften it and clog the liner. This picking up of current at the drive rolls rather than at
the contact tip is usually not a problem unless using too large of a contact tip or
excessively oxidized aluminum wire,
1 Ib. Adaptor Kit 005-0161
Used to change a standard 145-XXX series Prince
torch into a 1 |b. Spool Gun.
7 Pin “W” Clocked Adaptor Kit 005-0162
Used to update a 150-001, 002, 150-101, 102 and 150-201,202
Cobramatic cabinets to allow the use of the Prince and
other “W” clocked torches.
Flat Spiral Steel Conduit 15 ft./4.5m 615-0031 *
for steel and cored wire 25 ft./7.6m 615-0032 *
50 ft./15.0m 615-0073 *
* Must cut off heat shrink, slide back nut, and remove two E rings.
Curved Barrel 001-1056
Tool Part Number
Gas Valve Removal Tool 931-0584
Conduit Coupler Fitting 757-0012
Page - 9
INTERCONNECTIONS
Cobramatic Cabinet Model #150-001, 150-002
(With 'W' Clocked Adapter p/n 005-0162) 150-101, 150-102 (MK3A, MK3APS)
150-201, 150-202
Prince Torch Model Prefix # 145
PIE RK,
ORS
00000000000.
A
ELECTRICAL CABLE
POWER CABLE
GAS HOSE
WIRE CONDUIT
INTERCONNECTIONS
Cobramatic [,! Cabinet Model #150-003, 150-004
(with 'W' clocked connector) 150-103, 150-104
Prince Torch Model Prefix #145
ELECTRICAL CABLE
OOK
OEY
7
o
POWER CABLE
GAS HOSE
WIRE CONDUIT
Page - 10
INTERCONNECTIONS
Prince Spool Gun Model Prefix # 146-ххх
Connected to WC-1 Weld |
CONSTANT VOLTAGE
Control Box ( p/n 001-1055) OR
* CONSTANT CURRENT
o | CONTACTORLEADS ~~ =~ = POWER SUPPLY
+ NOTE: (CLOSING AND 115VAC) и —
The Posa Start feature permits the WC-1 to и ~ =
be used in combination with any Constant WG-1 WELD
Current DC power source with an open CONTROL BOX
circuit voltage in excess of 55 volts. \
POSA START + —
9 *
WCIT WELD CONTRdL
Ground Lead
E Е
LECTRICAL CABLE POWER CABLE
POSA START SENSING
LEADS. NOT NEEDED
WITH CONSTANT VOLTAGE
SUPPLIES
| | | GAS HOSE CE
a CUSTOMER
SUPPLIED
COUPLER - AW-430-RH
М.К. EN 753-3377
(CUSTOMER SUPPLIED)
Cobramatic Cabinet Model #150-001, 150-002
(with 'W' clocked adapter p/n 005-0162) 150-101, 150-102
Prince Spool Gun Model Prefix #146-xxx
Using Cobramatic Cabinet to control Spool Gun
—
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COUPLER - AW-430-RH CUSTOMER
CUSTOMER SOPPMED |
( ) POWER CABLE SUPPLIED
Page - 11
1.
OPERATION
GENERAL
The Prince torch was specifically designed to operate as both a push-pull gun and a
one pound spool gun. The 24 volt DC torch motor.is controlled by a 3 3/4 turn potenti-
ometer recessed in the pistol grip. The torch trigger is so designed that when it is
partially depressed, gas flow starts via the valve located in the torch body - prior to
ignition of the arc. When the trigger is partially released after welding (extinguishing the
arc), gas flow continues until the trigger is fully released. Built-in pre and post gas flow.
Consumable parts, i.e., gas cups, tips, drive and idler rolls, are the same as those used
in the Cobra gooseneck. The modular design allows parts to be replaced in sub assem-
blies for minimum spare parts inventory and less down time.
BARRELS
The Prince comes standard with a straight barrel. An optional curved barrel is also
available as a spare part. The cup end of the barrel has an adapter that is easily re-
placed if the cup threads become damaged. The adapter is threaded on the barrel and
secured with 2 set screws. When installing or removing the adapter, ensure that the set
screws are backed out at least 1/16" above adaptor insulator to prevent damaging
barrel threads. Access holes located on the top of the torch allow the barrel to be re-
moved or rotated easily without removing the handles.
WARNING: Do not attempt to weld without the barrel being tightly secured in
the torch body, or damage to the barrel or body may result.
POTENTIOMETER
The pot is located in the bottom of the pistol grip and provides 3-3/4 turns of rotation
and up to 750 ipm.
The pot is mounted to one side of the PC board and held in place by the support
plate, both of which have slots that locate and secure the pot in the handles. The other
side of the PC board houses the motor connectors and ribbon cable. Locking disks
behind the pot knob provides a stop at the minimum and maximum pot settings.
MICRO SWITCH
The micro switch assembly consists of the micro switch, leads, and connector. The
assembly is secured to the torch block with two(2) screws. An insulator between the
torch block and micro switch prevents accidential shorting of the switch leads. The
leads are laid in the channel under the motor and held in place with electrical tape.
Page - 12
5.
LEAD ASSEMBLIES
POWER CABLE
A #2 AWG power cable is used on the Prince Torch. The torch end is wrapped with a
copper band and secured in the torch body with a set screw. A tie wrap is also used to
help secure the power cable to the torch body. The power cable fitting connects to the
slave motor assembly when using a Cobramatic wire feed cabinet. When the Prince is
purchased as a 1lb. Spool Gun, the power cable comes standard with a lug connector.
CONDUIT
The Prince Torch comes standard with a teflon lined conduit. The longer fitting with a
shallow groove is used on the torch end. A set screw located on top of the torch handie
secures the conduit in place. A Cobramatic Gooseneck conduit may be used on the
Prince Torch by simply removing the conduit nut. A small spool liner is used on the 1ib.
spool gun and held in place by the same set screw.
GAS HOSE
The gas hose fitting is screwed into the torch block and sealed with teflon tape or
pipe dope. Take care to prevent getting sealant in gas passages. To prevent twisting of
the gas hose, it should be attached to the torch first when installing the lead assemblies.
The cabinet end of the Prince uses our standard gas fitting(1/8-27 nps), whereas the
1b. spool gun uses a 5/8 IAA RH male gas fitting.
ELECTRIC CABLE
A seven conductor control cable is used on the Prince Torch. The torch end of the
control cable is secured to the power cable with a tie wrap and plugged into the pot
assembly and micro switch connectors. The cabinet end has a seven pin "W" clocked
amphenol connector. See page 28 for torch electrical connections.
DRIVE AND IDLER ROLLS
A. GENERAL
The Prince torch comes standard with knurled drive rolls which will handle wire di-
ameters from .030-1/16 inch. Optional V-groove drive rolls are also available for feeding
aluminum wire if desired (see page 9).
Drive roll tension is accomplished by means of a pressure- adjusting knob located on
the left hand side of the torch. Proper tension is achieved when wire does not slip if a
small amount of pressure is added to the wire as it exits the tip.
NOTE: Over-tightening of the drive rolls will cause excessive knurling and/or defor-
mation of the wire.
Page - 13
B. DRIVE ROLL INSTALLATION/REMOVAL
1. Rotate drive roll by jogging drive motor with trigger switch or with finger tips
until slots line up with door.
2. Hold the drive roll with 3/8" open-end wrench.
3. Insert a slot type screwdriver into the slot on motor shaft, and turn screwdriver
CCW (left hand thread).
4. Install new drive roll on motor shaft using left hand thread. Drive roll will self-
tighten when feeding wire.
C. IDLER ROLL INSTALLATION/REMOVAL
1. Using a slot type screwdriver, loosen idler screw, taking care not to lose lock
washer under idler roll.
2. Insert new idler roll and lock washer onto screw, insuring that idler groove is
toward top and lock washer is beneath.
GROOVE TOWARDS TOP
==
LOCK WASHER" &=
|
IDLER ARM
3. Tighten.
Page - 14
INSTALLING SPOOL ADAPTOR
(Kit P/N 005-0161)
1. Loosen the screw that secures the conduit through access hole located on top right
rear handle with a 1/16" Allen wrench.
CONDUIT SECURING SCREW
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2. Remove conduit, taking care not to lose rear wire guide, which is held in place by
conduit, and E-Ring.
3. Install spool liner, and secure with screw.
REAR WIRE GUIDE
E-RING
\ SPOOL LINER
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4. Remove both rear handle screws, and secure spool with longer screws provided.
2 SCREWS — EP
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”
Page - 15
Loading Electrode Wire
1. Unscrew, and remove spool cover.
2. Apply tension to drive rolls, so wire will be picked up and fed through contact tip.
~ 3. Place spool on shaft with wire coming off bottom of spool. Straighten out first six
inches of wire, and push wire end into liner. Do not release spool.
4. Jog trigger until wire is picked up by drive rolls and fed through contact tip.
5. Grasp gun with left hand, and place thumb against bottom edge of spool, to keep
wire from back-spinning.
6. Put spool cover on, making sure slot is over liner and surrounding thumb.
7. Tighten cover knob down until correct drag is achieved. (Tightening down cover
knob increases drag on wire spool.)
NOTE: When feeding steel and other hard wires, a stiffer spring is used to
apply more brake tension. See breakdown on page 25.
Disassembly Prince/Spool Gun
1. Remove trigger pin with punch and remove trigger.
2. Unscrew drive roll tension adjusting screw from idler arm, and set aside, taking care
not to loose spring.
3. Remove six(6) handle screws and spool adapter if installed.
4. Pull handles apart.
MAINTENANCE
Maintenance of the torch will normally consist of a general cleaning of the wire guide
system, including tubes, drive rolls, and conduit at regular intervals. The only parts on
the Prince torch /Spool Gun that are subject to normal wear are the conduit, contact
tips, gas cups, and barrel liners. A supply of those parts should be maintained on hand.
Page - 16
WC-1 OPERATION
General
The WC-1 is designed to interface the 1 Ib. spool gun to most DC constant current,
constant voltage, and pulsed power supplies. Constant current Posa Start, offered as
standard equipment, allows you to select a run-in wire speed that is different than the
wire speed when welding.
The unit consists of a solid state DC speed control module, Posa Start module, and step
down transformer, which operates off of 115 VAC 50/60 Hz power and provides both
closing contacts and 115 VAC contactor signals.
INSTALLATION
(See interconnections page 11)
A. Location
The WC-1 should be secured to the power supply or another suitable location where
it can be secured to protect it from damage. Lead lengths and accessibility toa 115
VAC 50/60 Hz power source must also be considered when installing the control. Refer
to page 26 for dimensional information.
B. Contactor Selection
The WC-1 is shipped from the factory in the closing contacts position. A six foot
contactor/Posa Start sense cable is supplied with the unit to which the black and white
wires supply the contactor signal.
NOTE: Refer to the power supply owner’s manual for location of
and type of contactor signal required.
WARNING: Disconnect the WC-1 from all power sources
before changing contactor.
If a 115 VAC signal is required, remove the four screws from both sides of control
box, and remove cover. Locate black and white wire on #6 and #7 of terminal strip J2.
Move black wire to #5 and white wire to #4, and replace cover. The unit will now sup-
ply 115 VAC on the black (hot) and white (neutral) wires.
WARNING: In the 115VAC Contactor Mode, the contactor leads
will be "LIVE" with 115VAC whenever the the trigger is pulled.
Leads should be protected to prevent accidential contact
and labled 115VAC.
Page - 17
C.
E.
Posa Start Connections
When using a constant current power supply, the Posa Start sensing leads must be
connected to the power source. Place the red wire on the power supply positive termi-
nal and the green wire on the power supply negative terminal. When using a constant
voltage power supply, the sensing leads need not be connected, and the Posa Start
should be turned off.
Spool Gun Connections
1. Connect the gun control cable amphenol plug to the WC-1, and secure.
2. Attach the power cable lug from the gun to the positive terminal of the power supply,
and the negative terminal of the power supply to work ground. |
3. Connect gas hose to regulator/flowmeter on gas supply.
115 VAC Connections
Connect the supplied three-prong plug to a 115 VAC 50/60 Hz outlet.
CONSTANT VOLTAGE OPERATION
INTRODUCTION
When using the WC-1 in conjunction with a constant voltage power supply, the Posa
Start should be turned “Off”.
Instructions
1. Attach WC-1 and spool gun to CV power source according to the installation instruc-
tions, page 11.
2. Turn the WC-1 to the “On” position and the Posa Start to the “Off” position.
3. Adjust power source to desired voltage for your weld condition.
4. Depress gun trigger, and adjust wire feed speed at gun to match voltage setting. If
approximate wire feed speed is not known, it is better to start with excess wire feed
rather than too little, in order to prevent a burn-back.
5. Strike an arc, and adjust wire feed rate until correct condition is achieved.
Page - 18
CONSTANT CURRENT OPERATION
Introduction
The WC-1 is equipped with Posa Start, which permits the spool gun to be used in com-
bination with any constant current DC welding power source with an open circuit volt-
age in excess of 55 volts. Also, reverse polarity must be used.
CAUTION: DO NOT connect the WC-1 to a power source equipped with high
frequency (HF) before making sure that the HF portion of the welder is turned off. Fail-
ure to take this precaution will damage the Posa Start module, even if the WC-1 is
turned off.
The Posa Start feature provides a slow run-in speed which is necessary for establishing
an arc with a constant current power source. Once the arc has been established, the
wire feed speed is automatically changed from the slow run-in speed to the welding
speed set on the gun potentiometer.
Instructions
1. Attach WC-1 and spool gun to CC power source according to the installation instruc-
tions on page 11.
2. Insure power supply high frequency switch is in the “Off” position, and power supply
is set to DC reverse polarity.
3. Turn the WC-1 power switch to the “On” position and the Posa Start switch to the
“Off” position.
4. Adjust power source to desired amperage for your weld condition.
5. Depress gun trigger, and adjust wire feed speed at gun to match current setting. If
approximate wire feed speed is not known, it is better to start with excess wire feed
rather than too little, in order to prevent possible damage to the contact tip.
6. Turn Posa Start switch to the “On” position. Depress torch trigger and, using Posa
Start control on WC-1, adjust wire feed speed to approximately 40 ipm (4" of wire in 6
seconds).
7. Strike an arc if the wire stubs out, reduce wire feed rate at gun, or increase amperage
setting on power source.
NOTE: Because the Posa Start run-in speed always remains a percentage of
the actual welding wire feed rate, the Posa Start run-in speed will always slow down or
speed up, proportional to any adjustment you now make at the gun. Therefore, if you
slow down the welding wire feed speed, you will have to increase the Posa Start setting.
Page - 19
TROUBLESHOOTING
Maintenance
Regardless of which torch or feeder used, all M. K. Products push-pull guns oper-
ate on the same principle. The 115 VAC slave motor in the feeder runs at a fast,
constant speed, but has very low torque. It is always trying to feed more wire than
the torch motor wants, and when the motor gets all it wants, it slows the slave
motor, preventing a bird’s nest. Because of the low torque produced by the slave
motor, a brake system is used to prevent wire overrun rather than tension. The
drag adjustment in the spindle is used simply to keep the wire slightly taut, so it will
not pull off the spool while feeding wire.
The 24 VDC torch motor is controlled by a solid state speed control and a pot lo-
cated in the torch. The torch motor, potentiometer, and micro switch are con-
nected to the cabinet/control box via a control cable and amphenol. If this cable
becomes damaged, a variety of symptoms can occur, depending on which wire(s)
break. To test, check each wire for continuity and shorts.
Remember the micro switch in the torch activates both the 115 VAC and 24 V cir-
cuits in the cabinet. Therefore, if the slave motor and brake solonoid operate, but
the torch does not, look more toward the 24 V circuits, speed control, control
cable, or the torch motor. If nothing operates, look more toward the 115 VAC
input, micro switch leads, or micro switch.
The complete pot assembly is connected to the motor and set into the handles. If
the pot is disassembled, the pot knob can be put on the shaft in any position and
secured with the set screw. Turn the knob fully CCW, then fully CW. This will self-
align the pot, i.e., fully CCW will be minimum wire feed speed, and fully CW will be
maximum wire speed.
Page - 20
TROUBLESHOOTING
TROUBLE
CAUSE
REMEDY
No wire feed at torch,
feeder not operating,
i.e., no slave motor
or brake solenoid.
5 amp fuse in feeder/
control box blown.
Micro-switch defective/
not being activated.
Broken electrical cable.
Replace fuse.
Replace switch/
Check switch for operation. :
Check micro switch wires
for continuity.
No wire feed at torch,
2 amp fuse in feeder/
Check motor leads for shorts;
feeder operating Control box blown. then replace fuse.
properly.
Bad Potentiometer. Check potentiometer with meter.
Broken electrical cable. Check motor and potentiometer
wires for continuity.
Bad speed control /PCB. See specific cabinet/control
box owners manual for speed
control operation.
Wire feeds, but Loose or no cable Check all power connections.
welding wire is not connections.
energized.
Contactor control cable
loose or in wrong position.
Welding power source.
Check power supply owners manual
for location and type of contactor
signal required, i.e., closing
contacts or 115 VAC.
Check power source for operation.
Wire feeds erratically.
Excessive spool drag
pressure.
Dirty or worn conduit.
Incorrect pressure on
drive rolls.
[dier roll stuck.
Wrong size contact tip.
Decrease spool drag pressure.
Blow out or replace conduit.
Adjust pressure at both feeder
and torch.
Check for lock washer under idler
roll, or replace if damaged.
See contact tip section.
Wire feeds one speed
only.
Bad potentiometer.
Broken electrical cable.
Bad speed control.
Check with meter.
Check potentiometer wires for
continuity or short.
See specific cabinet /control
box owners manual for speed
control operation.
Wire walks out of
drive rolls.
Idler roll upside-down.
Rear wire guide missing.
Place groove in idler roll toward
top, see page 14.
Replace wire guide, see
breakdown, page 23, item 39.
Page - 21
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Page - 22
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P/N
003-0568
261-0069
325-0025
161-0002
003-0567
001-0562
419-0742
431-0740
431-0515
211-0054
301-0050
003-0587
331-0036
419-0020
436-0019
431-2010
333-0082
511-0001
325-0206
615-0316
See Page 8
See Page 8
003-0566
321-0001
303-0093
303-0094
001-1075
001-1056
003-1246
421-0129
328-0048
511-0016
328-0003
315-0268
321-1074
313-0008
321-0108
431-0162
431-2014
328-0001
431-2013
421-0409
003-0585
436-0018
325-0079
431-3061
421-0408
325-0143
325-0071
435-0900
See Page 24
411-0020
PRINCE TORCH
QTY.
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Parts List
DESCRIPTION
Micro-Switch Assy.
Insulator Micro-Switch
Screw 2-56 UNC-3/8
Micro-Switch w/o Leads
Potentiometer Assy.
Gas Valve Assy.
Spring .250 ODX.025 Wire
Valve Stem
Valve Body
Gear Motor 32.1 to 1
Boot Rubber
Adjusting Screw Assy.
Washer Flat .310 ID
Spring .290 ODX.047 wire
Handle Left Side
Idler Arm
Washer Lock #10
Idler Roll
Screw PH #10-24-3/8
Liner Teflon-Prince
Gas Cup
Contact Tip Cobra
Cup Adapter Assy. (including)
Screw CPS 4-40 x 1/8
O-Ring-.364 ID X .070
O-Ring-.301 1D X .070
Barrel Assy. - Straight (standard)
Barrel Assy. - Curved
Body-Prince Torch
Spring Pin 1/16 Dia X 7/16
Screw SHC 10-32 UNF-3/4
Drive Roll Cobra
Screw SHC 4-40-1/2
Bushing Flanged
Screw 6-32-.50 Modified
E-Ring 3/16 ID.
Screw CPS 5/16-18-1/2
Pivot Pin Idler Arm
Bracket Power Cable
Screw SHC. 4-40-1/4
Wire Guide Prince
Pin Pivot Trigger
Trigger Assy.
Handle Right Side
Screw PH.4-40-1-1/2
Door
Pin Pivot Door
Screw PH.6-32-1-1/2
Screw PH.4-40-1/2
Wrap Copper Power Cable
Lead Cable Assy.
Tie Wrap
* NOTE: If feeder is equipped with gas solenoid, modified gas valve stem P/N 431-1080 must be installed.
Page - 23
PRINCE TORCH & SPOOL GUN
LEAD ASSEMBLY BREAKDOWN
PRINCE TORCH
Elect. Cable | Cable
Cable Assy. Conduit Power Cable {7 Pin "W' Clock | Gas Hose Cover
15 Prince 615-0007 843-0320 001-1077 522-0185 551-0274
001-3005
25 Prince 615-0008 843-0321 001-1078 522-0186 551-0275
001-3006
1 LB. SPOOL GUN
Spool
Liner Elect. Cable Cable
Cable Assy. Assembly Power Cable |7 Pin "W" Clock | Gas Hose Cover
15'Spool Gun 003-0198 003-1295 001-1077 522-0175 551-0274
001-3007
25'Spool Gun 003-0198 003-1296 001-1078 522-0176 551-0275
001-3008
50'Spool Gun 003-0198 003-1297 001-1081 522-0178 551-0277
001-3009
Page - 24
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"Addy Jv SKBLIVT) ДОН we SHOTSLA 34
Page - 28
LIMITED WARRANTY
Effective February 15,1995
This warranty supersedes all previous MK Products warranties andis
exclusive, with no other guarantees orwarranties expressed orimplied.
LIMITED WARRANTY - MK Products,inc.,Irvine,California
warrants that all new and unused equipment furnished by MK
Products is free from defect in workmanship and material as of the
time and place of delivery by MK Products. No warranty is made
by MK Products with respect to trade accessories or other items
manufactured by others. Such trade accessories and other items
are sold subjectto the warranties of their respective manufacturers,
if any.
MK Products’ warranty does not apply to components having
normal useful life of less than one (1) year, such as relay points,
wire conduit, tungsten, and welding torch parts that come in
contact with the welding wire, including nozzles, nozzle insulators,
and contact tips where failure does not result from defect in
workmanship or material.
In the case of MK Products’ breach of warranty or any other duty
with respect to the quality of any goods, the exclusive remedies
therefore shallbe at MK Products’ option: (1) repair; (2) replacement;
(3) where authorized in writing by MK Products, the reasonable
cost of repair or replacement at our Irvine, California plant; 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. Upon receipt of notice of apparent
defect or failure, MK Products shall instruct the claimant on the
warranty claim procedures to be followed.
As a matter of general policy only, MK Products may honor an
original users warranty claims on warranted equipment in the
event of failure resulting from a defect within the following periods
from the date of delivery of equipment to the original user:
1. Torchesand Weldheads .... 1 year
2. AllOther Equipment 2 years
3. Mechanical € Electro-Mechanical Components ..... 1 year
4. Electronic Assemblies and Sub-Assemblies ......... 2 years
5. Repairs 90 days
MK PRODUCTS, INC.
16882 ARMSTRONG AVENUE
IRVINE, CA 92714
TEL (714) 863-1234
FAX (714) 474-1428
Classification of any item into the foregoing categories shall be at
the sole desecration of MK Products. Notification of any failure
must be made in writing within 30 days of such failure.
A copy of the invoice showing the date of sale, must accompany
products returned for warranty repair or replacement.
All equipment returned to MK Products for service must be
properly packaged to guard against damage from shipping, MK
Products will not be responsible for any damages resulting from
shipping.
Normal surface transportation charges (both ways) for products
returned for warranty repair or replacement will be borne by MK
Products, except for products sold for foreign markets.
ANY EXPRESS WARRANTY NOT PROVIDED HEREIN AND
ANY IMPLIED WARRANTY, GUARANTY, OR
REPRESENTATION AS TO PERFORMANCE, AND ANY
REMEDY FOR BREACH OF CONTRACT 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 OF FITNESS FOR PARTICULAR
PURPOSE, WITH RESPECT TO ANY AND ALL EQUIPMENT
FURNISHED BY MK PRODUCTS, IS EXCLUDED AND
DISCLAIMED BY MK PRODUCTS.
EXCEPT AS EXPRESSLY PROVIDED BY MK PRODUCTS IN
WRITING, MK PRODUCTS ARE INTENDED FOR ULTIMATE
PURCHASE BY COMMERCIAL/INDUSTRIALUSERS AND FOR
OPERATION BY PERSONS TRAINED AND EXPERIENCED IN
THE USE AND MAINTENANCE OF WELDING EQUIPMENT
AND NOT FOR CONSUMERS OR CONSUMER USE. MK
PRODUCTS WARRANTIES DO NOT EXTEND TO, AND NO RE-
SELLER IS AUTHORIZED TO EXTEND MK PRODUCTS
WARRANTIES TO ANY CONSUMER.
PRODUCTS
MK PRODUCTS, INC.
16882 ARMSTRONG AVE.
IRVINE,CALIFORNIA 92606
(949) 863-1234 FAX (949) 474-1428
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