Grass Trimmer/Brush Cutter
Operator's Manual
MODEL SRM - 230
SRM - 230S
WARNING
Users of this equipment risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. ECHO provides an operator’s manual and a safety manual. Both must be read and understood for proper and safe operation. Failure to do so could result in serious injury.
X7532098206 |
X753002746 |
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03/13 |
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2
Introduction
Welcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-the-job- dependability. Read and understand this manual and the SAFETY MANUAL. You will find both easy to use and full of helpful operations tips and SAFETY messages.
the operator's manual
Keep it in a safe place for future reference. Contains specifications and information for safety, operation, maintenance, storage, and assembly specific to this product.
the safety manual
Keep it in a safe place for future reference. Explains possible hazards and the measures you should take to insure safe operation.
Table of Contents
Introduction.......................................................................... |
2 |
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The Operator's Manual................................................. |
2 |
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The Safety manual........................................................ |
2 |
Safety.................................................................................... |
3 |
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- Manual Safety Symbols and Important Information.... |
3 |
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International Symbols................................................... |
3 |
- Personal Condition and Safety Equipment................... |
4 |
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Equipment..................................................................... |
6 |
Emission Control.................................................................. |
6 |
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Description........................................................................... |
7 |
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Contents................................................................................ |
9 |
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Assembly.............................................................................. |
9 |
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Plastic Shield Installation............................................. |
9 |
- Nylon Line Head Installation..................................... |
10 |
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To Advance Trimmer Line.......................................... |
10 |
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Nylon Line Replacement............................................ |
10 |
- Remove Nylon Line Head.......................................... |
10 |
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Front Handle Adjustment........................................... |
11 |
Operation............................................................................ |
11 |
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Operation with Blades................................................ |
11 |
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Fuel............................................................................. |
14 |
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Starting Cold Engine.................................................. |
16 |
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Starting Warm Engine................................................. |
17 |
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Stopping Engine......................................................... |
17 |
Copyright© 2013 By Echo, Incorporated
All Rights Reserved.
Maintenance....................................................................... |
18 |
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Skill Levels................................................................. |
18 |
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Maintenance Intervals................................................ |
18 |
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Air Filter..................................................................... |
19 |
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Fuel Filter................................................................... |
19 |
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Spark Plug.................................................................. |
20 |
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Cooling System ......................................................... |
20 |
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Exhaust System.......................................................... |
21 |
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Carburetor Adjustment Emission............................... |
23 |
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- High Altitude Operation........................................... |
23 |
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Lubrication................................................................. |
24 |
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Nylon Line Disassembly............................................ |
25 |
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Nylon Line Replacement............................................ |
25 |
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Sharpening Metal Blades............................................ |
26 |
Troubleshooting.................................................................. |
27 |
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Storage................................................................................ |
29 |
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Specifications...................................................................... |
30 |
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Warranty Statements........................................................... |
31 |
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Servicing Information......................................................... |
32 |
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Parts/Serial Number.................................................... |
32 |
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Service........................................................................ |
32 |
- ECHO Consumer Product Support............................. |
32 |
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Warranty Card............................................................. |
32 |
- Additional or Replacement Manuals.......................... |
32 |
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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.
Grass Trimmer/Brush Cutter 3
Operator's Manual
Safety
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.
DANGER
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.
WARNING
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.
CAUTION
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.
Circle and slash symbol
This symbol means the specific action shown is prohibited. Ignoring these prohibitions can result in serious or fatal injury.
NOTE
This enclosed message provides tips for use, care and maintenance of the unit.
IMPORTANT
The enclosed message provides information necessary for the protection of the unit.
international symbols
SYMBOL |
DESCRIPTION |
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DESCRIPTION |
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"WARNING, SEE OP- |
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Hot |
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ERATOR'S MANUAL |
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Surface |
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Wear eye, ear |
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Rotating |
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and head protec- |
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Cutting Attach- |
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tion |
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ment |
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Wear hand and |
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DO NOT allow |
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flames or sparks |
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foot protection |
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near fuel. |
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Safety/Alert |
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DO NOT smoke |
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near fuel. |
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Keep bystanders and helpers |
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away 15 m (50 ft.). |
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SYMBOL |
DESCRIPTION |
SYMBOL |
DESCRIPTION |
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Emergency |
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Fuel and oil |
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Stop |
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mixture |
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Carburetor Adjust- |
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Primer |
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ment |
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- High speed |
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Bulb |
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mixture |
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Carburetor Adjust- |
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Ignition |
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ON/ |
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- Idle speed |
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OFF |
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Carburetor Adjust- |
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Do not use |
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ment |
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- Low speed |
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blades. String |
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mixture |
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line only |
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Choke Control |
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Choke Control |
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"Run" |
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"Cold Start" |
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Position |
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Position |
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(Choke Open) |
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(Choke Closed) |
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4
personal condition and safety equipment
WARNING
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
Wear eye protection that meets ANSI Z87.1 or CE requirements whenever you operate the unit.
Hand Protection
Wear no-slip, heavy-duty work gloves to improve your grip on the handle. Gloves also reduce the transmission of machine vibration to your hands.
Hearing Protection
ECHO recommends wearing hearing protection whenever unit is used.
Proper Clothing
Wear snug fitting, durable clothing;
•Pants should have long legs, shirts with long sleeves.
•DO NOT WEAR SHORTS,
•DO NOT WEAR TIES, SCARFS, JEWELRY.
Wear protective hair covering to contain long hair.
Wear sturdy work shoes with nonskid soles;
•DO NOT WEAR OPEN TOED SHOES,
•DO NOT OPERATE UNIT BAREFOOTED.
Wear no-slip, heavy-duty work gloves. Keep long hair away from engine and air intake. Retain hair with cap or net.
Hot Humid Weather
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.
WARNING
The ignition 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 ECHO products by anyone who has a pacemaker.
Extended Operation/Extreme Conditions
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.
Grass Trimmer/Brush Cutter 5
Operator's Manual
Repetitive Stress Injuries
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 exercise 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.
danger
Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death.
Read the Manuals
•Provide all users of this equipment with the Operator’s Manual and Safety Manual for instructions on Safe Operation.
Clear the Work Area
•Spectators and fellow workers must be warned, and children and animals prevented from coming nearer than 15 m (50 ft.) while the unit is in use.
Keep a Firm Grip
•Hold the front and rear handles with both hands, with thumbs and fingers 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.
6
equipment
WARNING
Use only ECHO 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. Read and comply with all safety instructions listed in this manual and safety manual.
•Check unit for loose/missing nuts, bolts, and screws. Tighten and/or replace as needed.
•Inspect shield for damage and ensure 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.
•Check that front loop handle and shoulder strap/ or shoulder/waist harness are adjusted for safe, comfortable operation. See Assembly Section for proper adjustment.
WARNING
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.
•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.
WARNINg
Check fuel system for leaks due to fuel tank damage, 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)
EPA 2010 and Later and/or C.A.R.B. TIER III
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 “C”, “K”, or “T”, the emission control system is EM and TWC (3-way catalyst).
The fuel tank/fuel line emission control system is EVAP (evaporative emissions). Evaporative emissions for California models are only applicable to fuel tanks.
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.
Grass Trimmer/Brush Cutter 7
Operator's Manual
Description
Locate these safety decals on your unit. Make sure the decals are legible and that you understand and follow the instructions on them. If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific information.
11 12
Hot Decal (near muffler)
19
18
13
17 
16
14
15
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1 |
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7 |
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8 
10
9
Shaft Decal
8
1.POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter.
2.GRIP - Rear (right hand) handle.
3.THROTTLE TRIGGER LOCKOUT - This lever must be held during starting. Operation of the throttle trigger is prevented unless throttle trigger lockout lever is engaged.
4.STOP SWITCH - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD to RUN, BACK to STOP.
5.FRONT HANDLE - The Front (loop) handle is loosely assembled to the Drive Shaft assembly and must be positioned for proper control and operator comfort.
6.DRIVE SHAFT ASSEMBLY - Includes the Rear (right hand) Handle assembly, Gear Housing assembly, Front (loop, left hand) Handle assembly, steel drive shaft and Safety Decal.
7.NYLON CUTTER HEAD - Contains replaceable nylon trimming line that advances when the trimmer head is tapped against the ground while the head is turning at normal operating speed.
8.CUT-OFF KNIFE - Automatically trims line to the correct length: 5" after head is tapped on the ground. If trimmer is operated without a cut-off knife the line will become too long, the engine will overheat and engine damage may occur.
9.PLASTIC DEBRIS SHIELD ASSEMBLY - Included in plastic bag (co-pack). MUST be installed on unit before use, see Assembly Instructions. Shield assembly includes the Cut-Off Knife. Mounts on the Gear Housing Assembly just above the cutting attachment. Helps protect the operator by deflecting debris produced during the trimming operation. This shield must be replaced with the steel shield for blade use.
10.THROTTLE TRIGGER - Spring loaded to return to idle when released. During acceleration, press trigger gradually for best operating technique.
11.SPARK PLUG - Provides spark to ignite fuel mixture.
12.TOP GUARD - Protects arm from the hot engine.
13.Spark arrestor muffler or spark arrestor muffler with catalyst -The muffler or catalytic muffler controls exhaust noise and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep exhaust area clear of flammable debris.
14.FUEL TANK - Contains fuel and fuel filter.
15.RECOIL STARTER HANDLE - Pull handle slowly until starter engages, then quickly and firmly. When engine starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.
16.FUEL TANK CAP - Covers and seals fuel tank opening.
17.PURGE BULB - Pumping purge bulb before starting engine draws fresh fuel from the fuel tank, purging air from the carburetor. Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line. Pump purge bulb an additional 4 or 5 times.
18.AIR CLEANER - Contains replaceable filter element.
19.CHOKE - The choke control is located on the top of the air filter case. Move choke lever to "Cold Start" (
) to close choke for cold start. Move choke lever to "Run" (
) position to open choke.
Grass Trimmer/Brush Cutter 9
Operator's Manual
Contents
The ECHO product you purchased has been partially assembled for your convenience. Due to packaging restrictions, installation of the plastic debris shield, nylon line head, and positioning of the front handle are 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.
*Some Echo units may be factory pre-assembled. The nylon line head, plastic debris shield, and mounting hardware shown in the contents list are pre-assembled to the unit. No assembly tools are needed. The front handle may need to be re-positioned for comfortable operation.
_______1 - |
Power Head / Drive Shaft Assembly |
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Operator's Manual |
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Safety Manual |
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______1 - |
Emission Control Warranty Statement |
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Warranty Registration Card |
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_______1 - |
Safety Glasses |
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_______1 - |
Echo Power BlendX TM 2-stroke oil sample |
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*_ _____1 - |
Nylon Trimmer Head |
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*_ _____ |
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Assembly Tool (s) |
*_ _____1 - |
Locking tool, |
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*_ _____1 |
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Plastic shield |
*_ _____1 |
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Shield plate |
*_ _____3 |
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5mm x 16mm screws (shield mtg.) |
Assembly
Parts Required: Plastic Shield, Shield Plate, three (3) 5mm x 16mm screws, Nylon Line Head, Front Handle Assembly
plastic shield installation
(For Nylon Line Operation)
NOTE
The plastic shield is for use with the Nylon Line Head only.
Install Metal Shield when using plastic or metal blades.
1.Remove plastic sleeve and upper plate (A) from PTO shaft.
2.Install the shield on the bottom of the bearing housing flange.
3. Place shield plate (B) on shield, align holes and install three (3) |
B |
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5x16 mm screws. |
A |
4.Install upper plate (A).
10 
nylon line head installation
Parts Required: Nylon Line Head.
Caution
Wear Gloves or personal injury may result:
•Cutoff knife is sharp.
•Gearcase and surrounding area may be hot.
1.Be sure adapter plate (C) remains on PTO shaft (A).
2.Align locking hole in upper plate with notch in edge of gear housing and insert head locking tool (D).
3.Thread line head (E) onto shaft by turning it counter-clockwise until head is tight against adapter plate (C).
4.Remove locking tool (D).
IMPORTANT
Semi-automatic nylon line heads must be used only with plastic debris shield with cut-off knife. Using nylon line heads with metal debris shield can result in trimmer damage, caused by operation with excessive line length.
A
C
D 
E
to advance trimmer line
See Maintenance Section for nylon line replacement.
NOTE
To advance trimmer line, tap trimmer head against the ground while the head is turning at normal operating speed.
remove nylon line head
NOTE |
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Do not disassemble nylon line head. |
D |
1.Align locking hole in upper plate with notch in edge of gear housing and insert head locking tool (D).
2.Remove line head (E) by turning it clockwise until head is completely off of shaft.
3. Remove locking tool (D). |
E |
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