ECHO SRM-225 Operator’s Manual
Reklama
Reklama
Operator’s
Manual
SRM-225
Grass Trimmer /
Brushcutter
The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Read and understand all provided literature before use. Failure to do so could result in serious injury.
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TABLE OF CONTENTS
TABLE OF CONTENTS
SRM-225
Parts/Serial Number............................................................................. 3
ECHO Consumer Product Support ...................................................... 4
Product Registration ............................................................................ 4
Manual Safety Symbols and Important Information ............................. 5
International Symbols .......................................................................... 6
Personal Condition and Safety Equipment .......................................... 8
Emission Control (Exhaust & Evaporative) .............................................. 14
CARB And EPA Emissions Control Information ................................ 14
Support Handle Installation................................................................ 17
Operation With Blades ....................................................................... 18
Starting Cold Engine .......................................................................... 24
Starting Warm Engine........................................................................ 25
Stopping Engine ................................................................................ 27
Operating Techniques ....................................................................... 28
Reaction Forces................................................................................. 28
Blade Cutting Problems ..................................................................... 29
Maintenance Intervals........................................................................ 31
Cooling System.................................................................................. 34
Exhaust System ................................................................................. 36
Carburetor Adjustment....................................................................... 38
Nylon Line Replacement.................................................................... 40
Sharpening Metal Blades................................................................... 41
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SRM-225 TABLE OF CONTENTS
Long Term Storage (Over 30 Days) .................................................. 45
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INTRODUCTION
INTRODUCTION
SRM-225
Specifications, descriptions and illustrative material in this literature are as accurate as known at the time of publication, but are subject to change without notice. Illustrations may include optional equipment and accessories, and may not include all standard equipment.
Read and understand all provided literature.
Literature contains specifications and information for safety, operation, maintenance, storage and assembly specific to this product. Scan QR codes for more information.
For additional literature, including safety manuals where applicable, or questions regarding terms used in this manual, visit: https://www.echo-usa.com/manuals
OR https://www.shindaiwa-usa.com/manuals
SERVICING INFORMATION
Parts/Serial Number
Genuine ECHO Parts and
Assemblies for your ECHO products are available only from an
Authorized ECHO Dealer. When you do need to buy parts always have the Model Number and Serial
Number of the unit with you. For future reference write them in the space provided below.
Model No. _______________ Serial No. _______________
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SRM-225 SERVICING INFORMATION
Service
Service of this product during the warranty period must be performed by an
Authorized ECHO Service Dealer. For the name and address of the
Authorized ECHO Service Dealer nearest you, ask your retailer or call:
1-800-432-ECHO (3246). Dealer information is also available on our Web
Site www.echo-usa.com. When presenting your unit for Warranty service/ repairs, proof of purchase is required.
ECHO Consumer Product Support
If you require assistance or have questions concerning the application, operation, or maintenance of this product, call the ECHO Consumer
Product Support Department at 1-800-432-ECHO (3246) from 8:00 am to
5:00 pm (Central Standard Time) Monday through Friday. Before calling, please know the model and serial number of your unit.
Product Registration
Register your ECHO equipment on-line at www.echo-usa.com or by filling out the product registration sheet included in this manual. Registering your product confirms warranty coverage and provides a direct link to ECHO if we find it necessary to contact you.
Additional Literature
In addition to finding information online, information is available from your
Authorized ECHO Service Dealer, or by contacting ECHO Inc., 400
Oakwood Road, Lake Zurich, IL 60047 (1-800-432-ECHO (3246)).
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6
SAFETY
SAFETY
SRM-225
Manual Safety Symbols and Important Information
Throughout this manual and on the product itself, you will find safety alerts and helpful, informational messages preceded by symbols or key words.
The following is an explanation of those symbols and key words and what they mean to you.
The safety alert symbol accompanied by the word “DANGER” calls attention to an act or condition which WILL lead to serious personal injury or death if not avoided.
The safety alert symbol accompanied by the word “WARNING” calls attention to an act or condition which CAN lead to serious personal injury or death if not avoided.
The safety alert symbol accompanied by the word “CAUTION” calls attention to an act or condition which may lead to minor or moderate personal injury if not avoided.
The enclosed message provides information necessary for the protection of the unit.
Note: This enclosed message provides tips for use, care and maintenance of the unit.
CIRCLE AND SLASH SYMBOL
This symbol means the specific action shown is prohibited.
Ignoring these prohibitions can result in serious or fatal injury.
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SAFETY SRM-225
International Symbols
Symbol Description
Warning, See
Operator’s Manual
Wear Eye, Ear and Head
Protection
Wear Hand and
Foot Protection
Symbol
H
T
L
Safety/Alert
Description
Carburetor
Adjustment - High
Speed Mixture
Carburetor
Adjustment - Idle
Speed
Carburetor
Adjustment - Low
Speed Mixture
Emergency Stop
Hot Surface Fuel and Oil Mixture
DO NOT Allow
Flames or Sparks
Near Fuel
DO NOT Smoke
Near Fuel
AVOID KICKOUT
Keep Bystanders At Least 15 m (50 ft.) Away
Beware Thrown Objects Wear Eye
Protection
Ignition
ON / OFF
Primer Bulb
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SAFETY
Symbol Description
Choke Control
“RUN” Position
(Choke Open)
Keep Feet Away
From Blade
Symbol
SRM-225
Description
Choke Control
“COLD START”
Position (Choke
Closed)
Rotating Cutting
Attachment
Keep Bystanders and Helpers
Away 15 m (50 ft.)
Thrown Objects Direction of Blade
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SRM-225
Personal Condition and Safety Equipment
SAFETY
Cancer and Reproductive Harm www.P65Warnings.ca.gov
The muffler or catalytic muffler and surrounding cover may become extremely hot. Always keep clear of exhaust and muffler area, otherwise serious personal injury may occur.
Users of this product risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. Proper clothing and safety gear must be worn when operating unit.
Physical Condition
Your judgment and physical dexterity may not be good:
• If you are tired or sick
• If you are taking medication
• If you have taken alcohol or drugs
Operate unit only if you are physically and mentally well.
Eye Protection
◆
◆
Eye protection that meets ANSI Z87.1 or CE requirements must be worn whenever you operate the unit.
For additional safety, a full-face shield may be worn over safety glasses or goggles to provide protection from sharp branches or flying debris.
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SAFETY SRM-225
Hand Protection
Wear sturdy, no-slip, rubber work gloves to improve your grip on the handles. Gloves also provide protection against cuts and scratches, cold environments, and reduce the transmission of machine vibration to your hands.
Hearing/Ear Protection
ECHO recommends wearing personal protection whenever unit is used.
Breathing Protection
Operators who are sensitive to dust or other common airborne allergens may need to wear a dust mask to prevent inhaling these materials while operating unit. Dust masks can provide protection against dust, plant debris, and other plant matter such as pollen. Make sure the mask does not impair your vision, and replace the mask as needed to prevent air restrictions.
Proper Clothing
Wear snug-fitting, durable clothing:
• Pants should have long legs, shirts should have long sleeves.
• DO NOT WEAR SHORTS.
• DO NOT WEAR TIES, SCARVES, JEWELRY, or clothing with loose or hanging items that could become entangled in moving parts or surrounding growth.
• Keep clothing buttoned or zipped, and keep shirt tails tucked in.
• Wear sturdy work shoes with nonskid rubber soles:
• DO NOT WEAR OPEN TOED SHOES.
• DO NOT OPERATE UNIT BAREFOOTED.
Keep long hair away from engine and air intake. Retain hair with cap or net.
Heavy protective clothing can increase operator fatigue, which may lead to heat stroke. Schedule heavy work for early morning or late afternoon hours when temperatures are cooler.
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SRM-225 SAFETY
The components of this machine generate an electromagnetic field during operation, which may interfere with some pacemakers. To reduce the risk of serious or fatal injury, persons with pacemakers should consult with their physician and the pacemaker manufacturer before operating this machine. In the absence of such information, ECHO does not recommend the use of this machine by anyone who has a pacemaker.
Extended Operation / Extreme Conditions
Prolonged exposure to cold and/or vibration may result in injury. Read and follow all safety and operation instructions to minimize risk of injury. Failure to follow instructions may result in painful wrist/hand/arm injuries.
It is believed that a condition called Raynaud’s Phenomenon, which affects the fingers of certain individuals, may be brought about by exposure to vibration and cold. Exposure to vibration and cold may cause tingling and burning sensations, followed by loss of color and numbness in the fingers.
The following precautions are strongly recommended, because the minimum exposure, which might trigger the ailment, is unknown.
• Keep your body warm, especially the head, neck, feet, ankles, hands, and wrists.
• Maintain good blood circulation by performing vigorous arm exercises during frequent work breaks, and also by not smoking.
• Limit the hours of operation. Try to fill each day with jobs where operating the unit or other hand-held power equipment is not required.
• If you experience discomfort, redness, and swelling of the fingers followed by whitening and loss of feeling, consult your physician before further exposing yourself to cold and vibration.
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SAFETY SRM-225
Repetitive Stress Injuries (RSI)
It is believed that overusing the muscles and tendons of the fingers, hands, arms, and shoulders may cause soreness, swelling, numbness, weakness, and extreme pain in those areas. Certain repetitive hand activities may put you at a high risk for developing a Repetitive Stress Injury (RSI). An extreme
RSI condition is Carpal Tunnel Syndrome (CTS), which could occur when your wrist swells and squeezes a vital nerve that runs through the area.
Some believe that prolonged exposure to vibration may contribute to CTS.
CTS can cause severe pain for months or even years.
To reduce the risk of RSI/CTS, do the following:
• Avoid using your wrist in a bent, extended, or twisted position.
Instead try to maintain a straight wrist position. Also, when grasping, use your whole hand, not just the thumb and index finger.
• Take periodic breaks to minimize repetition and rest your hands.
• Reduce the speed and force with which you do the repetitive movement.
• Do exercises to strengthen the hand and arm muscles.
• Immediately stop using all power equipment and consult a doctor if you feel tingling, numbness, or pain in the fingers, hands, wrists, or arms. The sooner RSI/CTS is diagnosed, the more likely permanent nerve and muscle damage can be prevented.
All over head electrical conductors and communications wires can have electricity flow with high voltages. This unit is not insulated against electrical current. Never touch wires directly or indirectly, otherwise serious injury or death may result.
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SRM-225 SAFETY
Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death.
Read Manuals
• Provide all users of this equipment with literature for instructions on safe operation.
Clear The Work Area
• Always clear the work area of foreign objects, and check for any hidden hazards. spectators and fellow workers must be warned, and children and animals prevented from coming nearer than 50 ft. (15 m) while the unit is in use.
Keep A Firm Grip
• Always hold throttle handle and support handle with thumbs and fingers tightly encircling the handles.
Keep A Solid Stance
• Maintain footing and balance at all times. Do not stand on slippery, uneven or unstable surfaces. Do not work in odd positions or on ladders.
Do not over reach.
Avoid Hot Surfaces
• Keep exhaust area clear of flammable debris. Avoid contact during and immediately after operation.
Equipment
Use only approved attachments. Serious injury may result from the use of a non-approved attachment combination. ECHO INC. will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO INC. Read and comply with all safety instructions.
◆ Check unit for loose or missing nuts, bolts, and screws.
Tighten or replace as needed.
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SAFETY SRM-225
◆
◆
◆
◆
Inspect shield for damage and ensure that shield is properly installed, and that the cut-off knife is securely in place. Replace if either is damaged or missing.
Check that the cutting attachment is firmly attached and in safe operating condition.
Assure that throttle trigger, throttle trigger lockout, and stop switch all work properly.
Check that handle and harness (if included) are adjusted for safe, comfortable operation. See Assembly Section for proper adjustment.
Moving parts can amputate fingers or cause severe injuries.
Keep hands, clothing and loose objects away from all openings.
◆ ALWAYS stop engine, disconnect spark plug, and make sure all moving parts have come to a complete stop before
◆ assembling unit, removing obstructions, clearing debris, or servicing unit.
Do not connect spark plug lead to spark plug unitl unit is ready for use.
◆
◆
◆
DO NOT start or operate unit unless all guards and protective covers are properly assembled to unit.
NEVER reach into any opening while the engine is running.
Moving parts may not be visible through openings.
Position wiring safely to prevent snagging, separation of connectors, or breakage during operation. Gather excess wire, and secure with wiring clamp if provided on equipment, or tuck behind the air filter area. Do not place
◆
◆ wiring directly against hot engine components.
Check wiring and connectors for nicks, cuts, exposed wire, or other damage, and repair or replace as needed. Exposed wire or connectors can cause shocks, sparks, and risk of fire or explosion, resulting in serious injury.
Check wire terminals for secure connections.
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SRM-225 EMISSION CONTROL
Periodically Check fuel system (fuel lines, vent, grommet, fuel tank, and fuel cap) for leaks especially if the unit is dropped. If damage or leaks are found, do not use unit, otherwise serious personal injury or property damage may occur. Have unit repaired by an authorized servicing dealer before using.
EMISSION CONTROL (EXHAUST &
EVAPORATIVE)
CARB And EPA Emissions Control Information
The emission control system for the engine is EM (engine modification) and, if the second to last character of the Engine Family on the Emission Control
Information label (sample below) is
“B”, “C”, “K”, or “T”, the emission control system is EM and TWC (3way catalyst). The fuel tank/fuel line emission control system is EVAP (evaporative emissions). Evaporative emissions for California models are only applicable to fuel tanks and fuel feed lines.
An Emission Control Label is located on the engine. (This is an
EXAMPLE ONLY, information on label varies by engine FAMILY).
Product Emission Durability
(Emission Compliance
Period)
The 50 or 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emissions output meets applicable emissions regulations, provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual.
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DESCRIPTION
DESCRIPTION
SRM-225
Locate the safety decal(s) on your unit. Make sure the decal(s) is legible and that you understand and follow the instructions on it. If a decal cannot be read, a new one can be ordered from your ECHO dealer. Safety label is for example only. Your label may appear slightly different.
4
3 2
7
9
8
19
18
17
11
6
15
10
5
12
1
13
14
16
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SRM-225 CONTENTS
1.
Power Head
2.
Throttle Handle - For Right Hand
3.
Throttle Trigger Lockout
4.
Stop Switch
5.
Support Handle - For Left Hand
6.
Drive Shaft Assembly
7.
Nylon Cutter Head
8.
Cut-Off Knife
9.
Debris Shield with Cut-Off Knife
10.
Throttle Trigger
11.
Spark Plug
12.
Top Guard
13.
Recoil Starter Handle
14.
Spark Arrestor Muffler or Spark Arrestor Muffler with Catalyst
15.
Fuel Tank
16.
Fuel Tank Cap
17.
Choke
18.
Air Cleaner
19.
Purge Bulb
CONTENTS
The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restrictions, some assembly may be necessary.
After opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer of damaged or missing parts. Use the contents list to check for missing parts.
1 Power Head / Drive Shaft Assembly
1 Quick Start Guide
1 Warranty Statement
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ASSEMBLY
ASSEMBLY
Support Handle Installation
Note: Label shows minimum spacing for support handle location.
1.
If necessary, position support handle for comfortable operation and securely tighten screws.
OPERATION
SRM-225
Moving parts can amputate fingers or cause severe injuries.
Keep hands, clothing and loose objects away from all openings.
Always stop engine, disconnect spark plug, and make sure all moving parts have come to a complete stop before removing obstructions, clearing debris, or servicing unit.
Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can cause unconsciousness, serious injury, or death. Exhaust can cause serious burns. ALWAYS position unit so that exhaust is directed away from your face and body.
Operation of this equipment may create sparks that can start fires around dry vegetation. This unit is equipped with a spark arrestor to prevent discharge of hot particles from the engine.
Metal cutters can also create sparks if the cutter strikes rocks, metal, or other hard objects. Contact local fire authorities for laws or regulations regarding fire prevention requirements.
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SRM-225
Operation With Blades
OPERATION
Metal blades are very sharp and can cause severe injuries, even if engine is off and blades are not moving. Avoid contact with blades. Wear gloves to protect hands.
Blade use demands specific brush cutter configuration.
Operation without specified shield, barrier bar or U-handle, and harness can result in serious personal injury. Follow installation instructions.
Pro Maxi-Cut
Grass/Weed
Blade
Shield with cutoff knife
Tri-Cut Grass/
Weed Blade
Metal Grass /
Weed Blade
Support
Handle, with or without Barrier
Bar
U-Handle or Support Handle with
Barrier Bar
Metal Brush /
Clearing
Blades
U-handle*
Shield without cutoff knife
Harness
Upper Plate &
Flat Washer
Upper/Lower Blade Plates
Hex Nut
New Cotter Pin
*ANSI standards require brush cutters be equipped with a barrier bar or restrictive harness. U-Handle ensures a higher safety factor.
Do Not install blades on GT (Curved Shaft) model trimmers.
• Arbor diameter of upper blade plate must match arbor diameter of blades.
• A new cotter pin is required each time a blade is installed.
• Brushcutters over 7.5 kg (16.5 lbs.) dry weight (without fuel) require a double shoulder harness.
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OPERATION SRM-225
Note: The barrier bar is used to restrict rearward movement of the unit. The barrier bar is not a handle and should not be gripped when using or carrying the unit.
Blade Selection
The type of blade used MUST be matched to the type and size of material cut. An improper or dull blade can cause serious personal injury. Blades MUST be sharp. Dull blades increase the chance of kick-out and injury to yourself and bystanders. Never use an edging blade, circular saw blade, or any other type of unapproved blade.
3-Tooth Grass/Weed Blades may be used wherever the nylon line head is used. DO NOT use this blade for heavy weeds or brush.
8 Tooth Weed/Grass Blade is designed for grass, garden debris and thick weeds up to 19 mm
(0.75 in.) diameter. DO NOT use this blade for brush or heavy woody growth.
80 Tooth Brush Blade is designed for cutting brush and woody growth up to 13 mm (0.5 in.) diameter.
22 Tooth Clearing Blade is designed for dense thickets and saplings up to 64 mm (2.5 in.) diameter.
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SRM-225 OPERATION
A trimmer-brushcutter with a metal blade can cause serious injuries if handled improperly.
Always use extreme care when carrying or handling the equipment to avoid contact with the cutting edges of the blade. Use the optional blade cover when unit is not in use.
Keep blades in protective packaging until ready to install. Store blades safely after removal to prevent injury from accidental contact.
Use blade protectors to protect blade teeth during unit transportation.
Use Shoulder/Waist Harness
Use of the shoulder/waist harness is recommended for ALL Trimmer/ brushcutter use, not just blade operation. The shoulder/waist harness when used in a trimming operation with nylon line head suspends the trimmer from the operator's shoulder and reduces operator fatigue.
During blade operation, the same fatigue reduction is achieved. Safety to the operator is also enhanced by reducing the possibility of blade contact with the operator's hands and feet by restricting trimmer movement.
Make sure the warning sign on the back of the shoulder harness can be read easily.
Note: In case of Emergency, disconnect the trimmer from the harness.
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OPERATION
Fuel
SRM-225
Diesel fuels and alternative fuels, such as E-15 (15% ethanol),
E -85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2-stroke gasoline engines. Use of diesel or alternative fuels may cause performance problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited to, improper clutch engagement. Diesel or alternative fuels may also cause premature deterioration of fuel lines, gaskets, carburetors and other engine components.
Fuel Requirements
Gasoline - Use 89 Octane [R+M/2] (mid grade or higher) gasoline known to be good quality. Gasoline may contain up to 10% Ethanol (grain alcohol) or
15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol
(wood alcohol) is NOT approved. Use of ECHO branded fuel is recommended to extend engine life in all air-cooled 2-stroke and 2/4-stroke hybrid engines.
Two Stroke Oil - A two-stroke engine oil, such as ECHO branded 2-stroke oils, meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD Standards must be used. ECHO branded 2-stroke oils meet these standards. Engine problems due to inadequate lubrication caused by failure to use an ISO-L-
EGD (ISO/CD 13738) and J.A.S.O. M345-FD certified oil will void the twostroke engine warranty.
2-Stroke engine oil contains petroleum distillates and other additives that may be harmful if swallowed. Heated oil can release vapors that can cause flash fire, or ignite with explosive force. Read and follow the oil manufacturer’s instructions, and observe all safety warnings and precautions for handling flammable liquids. For more detailed safety and first aid information, visit www.echo-usa.com for a copy of the Material
Safety Data Sheet.
◆
◆
KEEP OUT OF REACH OF CHILDREN.
If swallowed, do not induce vomiting. CALL PHYSICIAN OR
◆
A POISON CONTROL CENTER IMMEDIATELY.
WEAR SAFETY GLASSES when mixing or handling.
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SRM-225
◆
◆
AVOID repeated or prolonged skin contact.
AVOID inhaling oil mists or vapors.
OPERATION
ECHO branded 2-stroke oils may be mixed at 50:1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals.
Handling Fuel
Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result.
◆
Use an approved fuel container. Mark fuel containers as containing 2-stroke mixture fuel.
◆
◆
◆
DO NOT smoke near fuel.
DO NOT allow flames or sparks near fuel.
Fuel tanks/cans may be under pressure. Always loosen fuel caps slowly allowing pressure to equalize.
◆
◆
◆
◆
◆
◆
NEVER refuel a unit when the engine is HOT or RUNNING!
DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks outdoors over bare ground.
DO NOT overfill fuel tank. Wipe up spills immediately.
Securely tighten fuel tank cap and close fuel container after refueling.
Inspect for fuel leakage. If fuel leakage is found, do not start or operate unit until leakage is repaired.
Move at least 3 m (10 ft.) from refueling location before starting the engine.
Gasoline vapor is heavier than air, and can travel along the ground to nearby sources of ignition such as electrical motors, pilot lights, and hot or running engines. Vapors ignited by an ignition source can flash back to the fuel container, resulting in an explosion, fire, serious or fatal injuries, and extensive property damage.
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OPERATION
Mixing Instructions
1.
Fill an approved fuel container with half of the required amount of gasoline.
2.
Add the proper amount of
2-stroke oil to gasoline.
3.
Close container and shake to mix oil with gasoline.
4.
Add remaining gasoline, close fuel container, and remix.
SRM-225
Fuel to Oil Mix – 50:1 Ratio
Gas
US
Oil Gas
Metric
Oil gal.
1
2
5 fl.oz.
2.6
5.2
13
L
5
10
25 cc
100
200
500
Spilled fuel is a leading cause of hydrocarbon emissions. Some states may require the use of automatic fuel shut-off containers to reduce fuel spillage.
Storage - Fuel storage laws vary by locality. Contact your local government for the laws affecting your area. As a precaution, store fuel in an approved, airtight container. Store in a well-ventilated, unoccupied building, away from sparks and flames.
• Empty the fuel tank prior to storing the unit. Return unused fuel to an approved fuel storage container.
Stored fuel ages. Do not mix more fuel than you expect to use in 30 days, 90 days when a fuel stabilizer is added.
Stored two-stroke fuel may separate. ALWAYS shake fuel container thoroughly before each use.
Used oil and gasoline, and soiled towels are hazardous waste materials. Disposal laws vary by locality.
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SRM-225
Starting Cold Engine
OPERATION
The attachment will operate immediately when the engine starts, and could result in possible serious injury. Keep movable parts of the attachment away from objects that could become entangled or thrown, and surfaces that could cause loss of control.
1.
Stop Switch
Move stop switch (A) away from the STOP position.
A
2.
Choke
Move choke lever (B) to COLD
START position ( ).
3.
Purge Bulb
Pump purge bulb (C) until fuel is visible and flows freely in the clear fuel tank return line. Pump bulb an additional 4 or 5 times.
B
C
Note: Energy is stored in the starter spring each time the handle/ rope is pulled. Generally, two to six pulls, using light pulling force, will store enough energy to engage the starter and spin the engine. Do not pull the rope out to end stop.
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OPERATION SRM-225
4.
Recoil Starter
Lay the unit on a flat area and keep movable attachment parts clear of all obstacles. Firmly grasp throttle handle with left hand and fully depress throttle trigger to wide open position.
Gently pull recoil starter handle/ rope (D) until engine fires or 2 to
3 engine engagements.
D
5.
Choke
After engine fires, or 2 to 3 engine engagements, move choke lever (B) to the Run position ( ). Firmly grasp throttle handle with left hand and fully depress throttle trigger to wide open position. Gently pull starter handle/ rope until engine starts and runs. Release throttle trigger and allow unit to warm up at idle for several minutes.
Note: If engine does not start with choke in “RUN” position after 2-3 engine engagements, repeat instructions 2 - 5.
6.
Throttle Trigger
After engine warm-up, grip throttle handle and support handle. Gradually depress throttle trigger to increase engine RPM to operating speed.
Starting Warm Engine
The starting procedure is the same as Cold Start except DO NOT close the choke, and do not depress throttle trigger to wide open position.
The attachment should not move at idle, otherwise serious personal injury may result.
Note: If attachment moves, readjust carburetor according to
“Carburetor Adjustment” instructions in this manual or see your ECHO Dealer.
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SRM-225
1.
Stop Switch
Move stop switch (A) away from the STOP position.
A
OPERATION
2.
Purge Bulb
Pump purge bulb (C) until fuel is visible and flows freely in the clear fuel tank return line. Pump bulb an additional 4 or 5 times.
C
Note: Energy is stored in the starter spring each time the handle/rope is pulled.
Generally two to six pulls, using light pulling force, will store enough energy to engage the starter and spin the engine. Do not pull the rope out to end stop.
3.
Recoil Starter
Lay the unit on a flat area and keep movable attachment parts clear of all obstacles. Firmly grip throttle handle with left hand.
Gently pull recoil starter handle/ rope (D) until engine fires.
D
Note: If engine does not start after 2-3 engine engagements, use
Cold Start Procedure.
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OPERATION
Stopping Engine
SRM-225
If engine does not stop when stop switch is moved to STOP position, close choke - COLD START position - to stall engine.
Have your dealer repair stop switch before using unit again.
1.
Throttle
Release throttle and allow engine to return to idle before shutting off engine.
2.
Stop Switch
Move stop switch (A) to STOP position.
A
Applications
Nylon line heads may be used for trimming, scything, edging, and scalping of grass and light weeds.
Trimming
Feed the spinning line into the material to be cut. Tilt the line head to one side to direct cutting debris away from you:
• Model SRM/PAS/SB/TX/C (Straight shaft, counter-clockwise line head rotation) - Tilt the cutting head down on the right side (muffler side) while cutting to direct cutting debris away from operator. Feed the line gradually into the material you wish to cut, avoiding contact with fences or other barriers.
Scything
Scything - Swing the cutting head in a level arc, gradually feeding the line into the material being cut. Move forward with each arc to cut a swath. Width of cutting swath depends on arc. Use a larger arc for a wider swath, or a smaller arc for a narrow swath. Keep line head tilted to direct cutting debris forward or away from you.
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SRM-225 OPERATION
Operating Techniques
• Debris flows in direction of line head rotation. Change line head position to assure debris flow is directed away from operator.
• Keep cutting line away from wire fences to avoid entanglement.
• Operate trimmer only with cutting head below knee height.
Reaction Forces
Push or Pull - Kickback or Kickout
During normal use, operating a brushcutter with a circular metal blade can produce sudden strong reaction forces that are difficult to control. Strong reaction forces can cause a loss of balance or loss of control of the equipment, resulting in serious injury to operator and bystanders.
Understanding what causes these reactive forces may help you to avoid them, and can help you to maintain control of the equipment if you experience a sudden reaction during cutting. Reactive forces occur when the force being applied by the cutting teeth of a blade meet resistance, and some of the cutting force is directed back toward the equipment. The greater the cutting force or the amount of resistance, the greater the reactive force.
Push and Pull Forces
Push and pull forces are reactive forces that push the equipment directly toward the operator, or that pull the equipment directly away from the operator. These forces are the result of cutting on the sides of the blade. The direction of the force depends on the side of the blade being used, and the direction of blade rotation at the point of contact. The reactive force is in the opposite direction of blade rotation at the contact point, regardless of where the contact is being made. These types of reactive forces are also called “Blade Thrust.
As shown in the illustration, a blade turning counterclockwise will cause the equipment to pull away from the operator if the point of cutting resistance is on the left side of the blade. If the point of cutting resistance is on the right side of the blade, the equipment will push back toward the operator. In both examples, the reactive force is in the opposite direction of blade rotation at the contact point where resistance occurs.
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OPERATION SRM-225
Kickout
Kickout is also a reactive force caused by resistance to cutting, but the direction of blade thrust is lateral (to the left or right of the blade), instead of forward or back toward the operator. In most cases, Push, Pull, and Kickout can be reduced or eliminated by:
• Using the correct blade for the cutting job
• Using properly sharpened blades
• Applying consistent, even force to the blade during the cut
• Avoiding obstacles and ground hazards
• Using extra care when cutting harder materials such as extremely dry brush, saplings, and small trees
• Cutting from a stable, secure position
Blade Cutting Problems
Binding - Blades may bind in the cut if dull or forced. Binding can damage blade, and result in blade breakage or injury from fragments and flying debris. If a blade binds in a cut, don’t try to get it out by applying “up and down” force to pry the cut open. Applying prying force to the blade can bend the blade, and result in blade failure and injury.
To free a blade that is bound in the cut, stop the engine, and support the trimmer or brushcutter to keep stress off the blade. Push the tree away from the entry point of the cut to open the cut, and pull the blade directly away from the cut in a straight-line motion. Use caution when releasing the tree to avoid being struck by spring-back or falling.
Inspect the blade for damage before proceeding. Sharpen teeth if dull, or replace blade if cracked, bent, missing teeth, or otherwise damaged.
To prevent binding:
• Keep blades sharp
• Avoid excessive pressure during cuts
• Don’t exceed cutting capacity of blade
• Don’t use blades with damaged or missing cutting teeth
• Don’t rock blades in cut
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SRM-225
MAINTENANCE
MAINTENANCE
Moving parts can amputate fingers or cause severe injuries.
Keep hands, clothing and loose objects away from all openings.
Always stop engine, disconnect spark plug, and make sure all moving parts have come to a complete stop before removing obstructions, clearing debris, or servicing unit. Allow unit to cool before performing service. Wear gloves to protect hands from sharp edges and hot surfaces.
Operating a poorly maintained unit can result in serious injuries to operator or bystanders. Always follow all maintenance instructions as written, otherwise serious personal injury may result.
Your unit is designed to provide many hours of trouble free service. Regular scheduled maintenance will help your unit achieve that goal. If you are unsure or are not equipped with the necessary tools, we recommend that you take your unit to a Servicing Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have the Dealer do it, each maintenance task has been graded. If the task is not listed, see your Dealer for repairs.
Skill Levels
Level 1 = Easy to do. Common tools may be required.
Level 2 = Moderate difficulty. Some specialized tools may be required.
Level 3 = See your dealer.
Click HERE or go to http://www.echo-usa.com/products/maintenance-kit or
HERE https://www.shindaiwa-usa.com/you-can.aspx
For information about maintenance kits.
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MAINTENANCE SRM-225
Maintenance Intervals
COMPONENT/SYSTEM
MAINTENANCE
PROCEDURE
Daily or Before Use
Air Filter
Choke Shutter
Inspect/Clean *
Fuel System
Cooling System
Recoil Starter Rope
Screws/Nuts/Bolts
Inspect
3
Inspect/Clean
Inspect/Clean *
Inspect/Tighten/Replace *
Every Refuel
Fuel System
3 Months
Air Filter
Inspect
3
Replace *
Fuel Filter
Fuel Cap Gasket
Inspect *
Spark Plug
Muffler Spark Arrestor
Inspect/Clean/Replace *
Cylinder Exhaust Port Inspect/Clean/De-carbon
Drive Shaft (Flex Cable Models) Grease
1
Gear Housing (Some Models)
Grease
2
Yearly
Fuel Filter
Fuel Cap Gasket
Inspect/Replace *
Replace *
SKILL
LEVEL
1
2
1
1
1
2
1
IMPORTANT NOTE - Time intervals shown are maximum. Actual use and your experience will determine the frequency of required maintenance.
MAINTENANCE PROCEDURE NOTES:
1 Apply lithium based grease every 25 hours of use.
2 Apply lithium based grease every 50 hours of use.
3 Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity.
* Replacement is recommended based on the finding of damage or wear during inspection.
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Air Filter
Level 1.
MAINTENANCE
Parts Required: Tune-Up Kit
1.
Close choke (COLD START [ ] position). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush accumulated dirt from air cleaner area.
2.
Remove air filter cover. Brush dirt from inside cover.
3.
Replace filter if it is damaged, fuel soaked, very dirty, or the rubber sealing edges are deformed.
• Lightly brush debris from filter.
• Soak heavily soiled filters in water/detergent solution to loosen dirt, then brush lightly.
• Rinse with clean water and allow to dry completely before reuse.
4.
Install air filter in air filter case.
5.
Install air filter cover.
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MAINTENANCE
Fuel Filter
Level 1.
Parts Required: TUNE UP KIT.
SRM-225
Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result.
1.
Use a clean rag to remove loose dirt from around fuel cap and empty fuel tank.
Do not damage fuel line while removing fuel filter from tank or line.
2.
Pull the fuel filter from the tank.
3.
Do not remove the wire coil clamp to remove the fuel filter. Pinch the fuel filter with the fingers on one hand and the fuel line with the other hand. Pull and twist slightly to separate.
4.
Install the new filter with the reverse action.
Note: Federal EPA regulations require all model year 2012 and later gasoline powered engines produced for sale in the United
States to be equipped with a special low permeation fuel supply hose between the carburetor and fuel tank. When servicing model year 2012 and later equipment, only fuel supply hoses certified by EPA can be used to replace the original equipment supply hose. Fines up to $37,500 may be enforced for using an un-certified replacement part.
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Spark Plug
Level 2.
Parts Required: Tune-Up Kit
MAINTENANCE
Use only NGK BPM8Y spark plug (BPMR8Y in Canada) otherwise severe engine damage may occur.
1.
Remove spark plug and check for fouling, worn and rounded center electrode.
2.
Clean the plug or replace with a new one. DO NOT sand blast to clean. Remaining sand will damage engine.
0.65 mm (0.026 in.)
3.
Adjust spark plug gap by bending outer electrode.
4.
Tighten spark plug to 150-170 kgf•cm (130-150 in•lbf).
Cooling System
Level 2.
To maintain proper engine operating temperatures, cooling air must pass freely through the cylinder fin area. This flow of air carries combustion heat away from the engine.
Overheating and engine seizure can occur when:
• Air intakes are blocked, preventing cooling air from reaching the cylinder.
• Dust and grass build up on the outside of the cylinder. This build up insulates the engine and prevents the heat from leaving.
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MAINTENANCE SRM-225
Removal of cooling passage blockages or cleaning of cooling fins is considered “Normal Maintenance.” Any failure attributed to lack of maintenance is not warranted.
1.
Remove spark plug lead.
2.
Close choke (COLD START
[ ] position). This prevents dirt from entering the carburetor throat when the air filter is removed. Remove air cleaner cover (A).
3.
Remove engine cover (B).
A
B
DO NOT use a metal scraper to remove dirt from the cylinder fins.
4.
Use a brush to remove dirt from the cylinder fins.
5.
Remove ignition wires from clip for cleaning.
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6.
Remove grass and leaves from the grid between the recoil starter and fuel tank.
7.
Assemble components in reverse order.
MAINTENANCE
Exhaust System
Spark Arrestor Screen
Level 2.
Parts Required: Spark Arrestor Screen, Gasket
1.
Remove spark plug lead and engine cover.
2.
Place piston at Top Dead Center (TDC) to prevent carbon/dirt from entering cylinder.
3.
Remove spark arrestor screen cover (C), gaskets (D), (E), and screen (F), from muffler body.
4.
Clean carbon deposits from muffler components.
F
E
Note: When cleaning carbon deposit, be careful not to damage the catalytic element inside muffler.
5.
Replace screen if it is cracked, plugged, or has holes burned through.
D
C
6.
Assemble components in reverse order.
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MAINTENANCE
Exhaust Port Cleaning
Level 2.
SRM-225
Parts Required: As needed: Heat Shield
1.
Remove spark plug lead from spark plug, and remove engine cover.
2.
Place piston at top dead center. Remove muffler (A) and heat shield (B).
B A
3.
Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port (C).
C
C
Never use a metal tool to scrape carbon from the exhaust port. Do not scratch the cylinder or piston when cleaning the exhaust port. Do not allow carbon particles to enter the cylinder.
4.
Inspect heat shield, and replace if damaged.
5.
Install heat shield and muffler.
6.
Tighten muffler mounting bolts (or nuts) to 90-110 kgf•cm (80-95 in•lbf).
7.
Install engine cover and attach spark plug lead.
8.
Start engine, and warm to operating temperature.
9.
Stop engine, and re-tighten mounting bolts (or nuts) to specifications.
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SRM-225 MAINTENANCE
Carburetor Adjustment
Level 2.
Engine Break-In
New engines must be operated a minimum duration of two tanks of fuel break-in before carburetor adjustments can be made. During the break-in period your engine performance will increase and exhaust emissions will stabilize. Idle speed can be adjusted as required.
High Altitude Operation
This engine has been factory adjusted to maintain satisfactory starting and durability performance up to 330 m (1100 ft.) above sea level (ASL) (96.0 kPa). To maintain proper engine operation and emission compliance above
330 m (1100 ft.) ASL the carburetor may need to be adjusted by an authorized ECHO service dealer.
If the engine is adjusted for operation above 330 m (1100 ft.) ASL, the carburetor must be re-adjusted when operating the engine below
330 m (1,100 ft.) ASL, otherwise severe engine damage may result.
Note: Every unit is run at the factory and the carburetor is set in compliance with emission regulations. Carburetor adjustments, other than idle speed, must be performed by an authorized ECHO dealer.
1.
Check idle speed and reset if necessary. If a tachometer is available, idle speed screw (A) should be set to the specifications found on
“Specifications” page of this manual. Turn idle screw (A) clockwise to increase idle speed; counterclockwise to decrease idle speed.
A
A
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MAINTENANCE SRM-225
When carburetor adjustment is completed, the cutting attachment should not move at idle, otherwise serious personal injury may result.
Lubrication
Level 1.
Parts Required: Lithium Based Grease.
Gear Case
Gear cases without grease plug (A) do not require lubrication.
1.
Clean all loose debris from gear case.
2.
Remove plug (A) and check level of grease.
3.
Add grease if necessary. DO
NOT over-fill.
A
Drive Shaft (flex cable only)
1.
Loosen screw (B) and remove locating screw (C). Pull gear case and shield from drive shaft housing.
B
C
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2.
Pull flexible cable (D) from the drive shaft housing, wipe clean and re-coat with 15 ml (0.5 oz.) of grease.
3.
Slide the flexible cable (D) back in the drive housing. DO NOT get dirt on the flex cable.
4.
Install the gear housing and shield assembly.
Nylon Line Replacement
MAINTENANCE
Wear gloves or personal injury may result:
◆
Cutoff knife is sharp.
◆
Gearcase and surrounding area may be hot.
1.
Cut one piece of line to recommended length.
2.0 mm (0.080 in.) diameter
6 m (20 ft.).
2.4 mm (0.095 in.) diameter
6 m (20 ft.).
2.
Align arrows on top of knob with openings in eyelets.
D
3.
Insert one end of trimmer line into an eyelet, and push line equal distance through trimmer head.
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MAINTENANCE
4.
Hold trimmer head while turning knob clockwise to wind line onto spool until about 13 cm (5 in.) of each line remains exposed.
Trimmer head is now fully loaded and ready for operation.
When the wear indicators located at the bottom of the
Speed-Feed® head are worn smooth, or if holes appear, replacement of the cover or the entire Speed-Feed® head is required.
SRM-225
Sharpening Metal Blades
Several styles of metal blades are approved for use on the Brush
Cutter. The 8-tooth blade can be sharpened during normal maintenance. The clearing blade and 80-tooth blade require professional service.
Before sharpening, CLOSELY inspect blade for cracks (look at the bottom of each tooth and the center mounting hole closely), missing teeth and bending. If ANY of these problems are discovered, replace the blade.
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SRM-225 MAINTENANCE
When sharpening a blade, always remove the same amount of materials from each tooth to maintain balance. A blade that is not balanced will cause unsafe handling due to vibration and can result in blade failure.
1.
File each tooth at a 30° angle a specific number of times, e.g., four strokes per tooth. Work your way around the blade until all teeth are sharp.
2.
DO NOT file the ‘gullet’ (radius) of the tooth with the flat file. The radius must remain. A sharp corner will lead to a crack and blade failure.
If an electric grinder is used, use care not to overheat teeth, do not allow tips/tooth to glow red or turn blue. DO NOT place blade in cooling water. This will change the temper of the blade and could result in blade failure.
3.
After sharpening teeth, check each tooth radius for evidence of a square (sharp) corner. Use the round (rat tail) file to renew the radius.
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TROUBLESHOOTING
TROUBLESHOOTING
SRM-225
Problem
Engine starts hard or
ENGINE PROBLEM TROUBLESHOOTING CHART
Check Status Cause Remedy
Fuel at carburetor
No fuel at carburetor
Fuel strainer or fuel line obstructed
Clean or replace
See your dealer
No fuel at cylinder
Carburetor See your dealer
OPEN choke
Fuel at cylinder
Muffler wet with fuel
Fuel mixture too rich
Clean or replace air filter
Adjust carburetor
Engine does not start
Engine runs, but dies or
Engine does not accelerate properly
Spark at end of plug wire
Spark at plug
Air filter
Fuel filter
Fuel vent
Spark plug
Carburetor
Cooling system
Spark arrestor screen
Stop switch OFF
- Electrical problem -
Interlock switch
No spark
Incorrect gap -
Covered with carbon - Fouled with fuel - Plug defective
Air filter dirty Normal wear
Fuel filter dirty
Fuel vent plugged
Contaminants or residue in fuel
Contaminated fuel
Plug dirty or worn
Improper adjustment
Normal wear
Vibration
Cooling system dirty or plugged
Extended operation in dirty or dusty locations
Spark arrestor screen plugged
Normal wear
See your dealer
Turn switch to ON
See your dealer
Adjust to 0.65mm
(0.026 in.)
Clean or replace plug
Clean or replace
Replace filter or replace fuel
Clean or replace
Clean and adjust or replace
Adjust
Clean
Replace
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SRM-225 TROUBLESHOOTING
Problem
Engine does not crank
ENGINE PROBLEM TROUBLESHOOTING CHART
Check Status Cause Remedy
N/A
Internal engine problem
See your dealer
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result.
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STORAGE
STORAGE
SRM-225
During operation the muffler or catalytic muffler and surrounding cover become hot. Always keep exhaust area clear of flammable debris during transportation or when storing, otherwise serious property damage or personal injury may result.
Long Term Storage (Over 30 Days)
Do not store your unit for a prolonged period of time (30 days or longer) without performing protective storage maintenance which includes the following:
1.
Store unit in a dry, dust free place, out of the reach of children.
Do not store in enclosure where fuel fumes may accumulate or reach an open flame or spark.
2.
Place the stop switch in the “OFF” position.
3.
Remove accumulation of grease, oil, dirt and debris from exterior of unit.
4.
Perform all periodic lubrication and services that are required.
5.
Tighten all the screws and nuts.
6.
Drain fuel tank completely. Press purge bulb 6-7 times to remove remaining fuel from carburetor then drain the tank again. Close choke, start and run the engine until it stops due to lack of fuel.
7.
Allow engine to cool. Remove the spark plug lead from the spark plug.
Remove the spark plug. Pour 7 cc (0.25 oz.) of fresh, clean, two-stroke engine oil into the cylinder through the spark plug hole.
8.
Pull the recoil starter handle 2-3 times to distribute the oil inside the engine.
9.
Observe the piston location through the spark plug hole. Pull the recoil handle slowly until the piston reaches the top of its travel and leave it there.
10. Install the spark plug. Connect the spark plug lead to the spark plug.
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SRM-225
SPECIFICATIONS
SPECIFICATIONS
MODEL
Length without cutter head
Width
Height
Weight (dry) without cutter head
Engine Type
Bore
Stroke
Displacement
Exhaust
Carburetor
Ignition System
Spark Plug
Fuel
Gasoline/Oil Ratio
Gasoline
Oil
Fuel Tank Capacity
Starter System
Clutch
Vibration Reduction
Systems
Operating Rod
Drive Shaft
Gear Case Ratio
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SRM-225
1795 mm (70.7 in.)
256 mm (10.1 in.)
329 mm (13.0 in.)
5.1 kg (11.2 lb.)
Air cooled, two-stroke, single cylinder gasoline engine
32.2 mm (1.27 in.)
26.0 mm (1.02 in.)
21.2 cm³ (1.29 in.³)
Spark arrestor muffler or spark arrestor muffler with catalyst
Diaphragm w/purge pump
Flywheel magneto, capacitor discharge ignition type
NGK BPM8Y (BPMR8Y in Canada) Gap 0.65 mm (0.026 in.)
Mixed (Gasoline and Two-stroke Oil)
50 : 1
Use 89 Octane unleaded. Do not use fuel containing methyl alcohol, more than 10% ethyl alcohol or 15% MTBE. Do not use alternative fuels such as E15 or E85.
ISO-L-EGD (ISO/CD 13738) and J.A.S.O.
M345- FD, two-stroke, air-cooled engine oil.
0.42 l (14.2 US fl. oz.)
Automatic Rewind Starter
Centrifugal Type
Rubber cushion on engine mount
25.0 mm aluminum tube
6.35 mm (0.25in.) flexible shaft
1.62:1
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PRODUCT REGISTRATION
MODEL
Rotating Direction
Cutter Head
Handle
Idle Speed
Clutch Engagement
Speed
Wide Open Throttle
Speed (W.O.T.)
SRM-225
SRM-225
Counterclockwise; viewed from top
Semi-automatic nylon line head (Speed Feed
®
400)
Front (D-loop type with plastic grip)
Rear (plastic grip with throttle trigger and switch)
3000 RPM
4300 RPM
10,000 RPM
PRODUCT REGISTRATION
Thank you for choosing ECHO Power Equipment
Please go to http://www.echo-usa.com/Warranty/Register-Your-ECHO to register your new product on-line. It's FAST and EASY ! NOTE: your information will never be sold or misused by ECHO, Inc. Registering your purchase enables us to contact you in the unlikely event of a service update or product recall, and verifies your ownership for warranty consideration.
If you do not have access to the Internet, you can complete the form below and mail to:
ECHO Inc., Product Registration, PO Box 1139, Lake Zurich IL 60047.
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SRM-225 PRODUCT REGISTRATION
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NOTES
NOTES
SRM-225
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SRM-225 NOTES
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T98214001001 - T98214999999
T98314001001 - T98314999999
U36614001001 - U36614999999
ECHO INCORPORATED
400 Oakwood Road
Lake Zurich, IL 60047 www.echo-usa.com
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