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Grass Trimmer/Brush Cutter
Operator's Manual
MODEL SRM - 280U
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.
X750011013
X7502310803
04/11
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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 found in the same package. You will find both easy to use and full of helpful operating tips and SAFETY messages. the ortopera 's manual Read and understand this manual before operation. Keep it in a safe place for future reference. Contains specifications and information for operation, start
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Grass Trimmer /Brush CuTTer 3 Opera TOr 's m anual s afety manual safety symbols and Iantmport IItnforma on Throughout this manual and on the product itself, you will find safety alerts and helpful, informational messages pre- ceded by symbols or key words. The following is an explanation of those symbols and key words and what they mean to you. CIRCLE AND SLASh SyMbOL DANGER This symbol means the specific action The safety alert symbol accompanied by the word shown is prohibited. Ignori
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4 Physical Condition Proper Clothing Y our judgment and physical dexterity may not be good: Wear snug fitting, durable clothing; • if you are tired or sick, • Pants should have long legs, shirts with long sleeves. • if you are taking medication, • DO NOT WEAR SHORTS, • DO NOT WEAR TIES, SCARVES, JEWELRY, • if you have taken alcohol or drugs. or clothing with loose or hanging items that could Operate unit only if you are physically and mentally
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Grass Trimmer /Brush CuTTer 5 Opera TOr 's m anual 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
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6 equIpment WARNING Use only ECHO approved attachments. Serious injury may result from the use of a non-approved attachment com- bination. 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.
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Grass Trimmer /Brush CuTTer 7 Opera TOr 's m anual d escrIIpt on Locate these safety decals on your unit. Make sure the decals are legible and that you understand and follow the instruc- tions 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. 15 14 Hot Decal (near muffler) 18 21 16 6 22 20 17 7 8 19 3 4 12 5 2 1 13 9 10 11 Shaft Decal Metal Debris Shield Decal
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8 1. POWER hEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter. 2. ThROTTLE TRIGGER LOCKOUT - This lever must be held during starting. Operation of the throttle trigger is prevented unless throttle trigger lockout lever is engaged. 3. STOP SWITCh - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD to RUN, BACK to STOP. 4. ThROTTLE TRIGGER - Controls engine speed. Spring loaded to return to idle when released. During accelera -
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Grass Trimmer /Brush CuTTer 9 Opera TOr 's m anual c ontents The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restrictions, shield installation and other 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- Plastic Bag (co-pack) __ - 1, Operator's
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10 a yssembl plastIc shIeld IItallanston (Nylon line operation) G Parts Required: Plastic Debris Shield, Shield Plate, three (3) 5 x 16 mm screws. WARNING D The plastic shield is for use with the Nylon Line Head only. Install Metal Shield when using plastic or metal blades, or serious injury C B A may result. 1. Align hole in upper plate (D) with notch in gear housing (G), and insert locking tool to prevent splined shaft from turning. Arrow on F gear housing flange points to notch
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Grass Trimmer /Brush CuTTer 11 Opera TOr 's m anual IMPORTANT Semi-automatic 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. ot anceadv 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 head D NO
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12 1. If installed, remove nylon line head, upper fixing plate, shield plate, and plastic shield: C A a. Align locking hole in upper plate with notch in edge of gear housing and insert head locking tool (A). b. Remove line head (B) by turning it clockwise until head is completely off of shaft. c. Remove locking tool. d. Remove three screws holding shield plate and plastic shield (C) to gear housing. e. Retain line head, upper fixing plate, shield plate, and plastic
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Grass Trimmer /Brush CuTTer 13 Opera TOr 's m anual Install Blade D Parts Required: Upper Plate w/ 20 mm pilot, Lower Plate, 10 mm Nut L w/L.H. threads, 2 x 25 mm Cotter Pin, Blade. K 1. Install upper plate (D) on splined PTO shaft, pilot side down. Blade installation requires Upper Plate (D) with 20 mm pilot. 2. Install Blade (K) on upper plate pilot. Blades must be installed so H that rotation arrow on blade matches rotation of unit: teeth toward direction of rotation (See debris shield
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14 throttle lInkage and IgnItIon leads 1. Close choke and remove air filter cover. 2. Place inner throttle cable in large hole of carburetor swivel (A). 3. Loosen nuts (B) and place threaded end of throttle linkage in bracket slot. Finger tighten nuts (B). 4. Check throttle for freedom of movement and that wide open throttle / low idle extremes are adjusted properly. If adjustment cannot be achieved with adjusting nuts (B), consult with your Echo A Dealer for correct adjustment procedure. T
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Grass Trimmer /Brush CuTTer 15 Opera TOr 's m anual balance and adjust Iun t 1. Loosen harness clamp screw. 2. Put on harness and attach unit to harness. 3. Slide harness clamp (A) up or down until unit balances with head B approximately 50-75 mm (2 -3 in.) from the ground. 4. Tighten harness clamp screw. 5. Loosen upper U-Handle clamp screws (B), and position U-Handle A for comfortable operation. 6. Tighten U-Handle clamp screws and 8 mm clamp bolt securely. o Itpera on WARNING Moving part
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16 blade set -up guIde Pro Maxi-Cut Rigid Plastic Grass/Weed Tri-Cut Metal Blade TO USE Blade Grass/Weed Blade THESE BLADES Loop Handle, w/or U-Handle or Loop Handle U-Handle or Loop Handle w/o Barrier Bar w/Barrier Bar w/Barrier Bar You Plastic Shield Plastic Shield Metal Shield must install Harness Harness Harness these parts! Upper Plate & Upper Plate Upper/Lower Flat Washer & Glide Cup Blade Plates Hex Nut Hex Nut Hex Nut New Cotter Pin New Cotter Pin New Cotter Pin • WARN
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Grass Trimmer /Brush CuTTer 17 Opera TOr 's m anual 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 move- ment. NOTE In case of Emergency, pull up on the Quick Release Collar to dis- connect the trimmer from the harness. fuel NOTICE: Use of unmixed, improperly mixed, or fuel older than 90 days, (stale fuel), may cause hard starting, poor
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18 Handling Fuel DANGER Fuel is VERY flammable. Use extreme care when mixing, storing or handling or serious personal injury may result. • Use an approved fuel container. • 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
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Grass Trimmer /Brush CuTTer 19 Opera TOr 's m anual artIst ng cold Ieng ne WARNING 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 A thrown, and surfaces that could cause loss of control. 1. Stop Switch Move stop switch button (A) forward away from the STOP posi- tion. 2. Choke Move choke lever (B) to Cold Start Position ( ). 3. Purge Bu
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20 artIst ng armw engIne The starting procedure is the same as Cold Start except DO NOT close the choke, and do not hold throttle trigger fully depressed. WARNING The attachment should not move at idle, otherwise serious personal injury may result. NOTE A If attachment moves, readjust carburetor according to “Carburetor Adjustment” instructions in this manual or see your ECHO Dealer. 1. Stop Switch Move stop switch button (A) forward away from the STOP posi- tion. C 2. Purge Bulb
