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.
Introduction Welcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-thejob-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.
Grass Trimmer/Brush Cutter Operator's Manual 3 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.
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. Hand Protection Wear no-slip, heavy duty work gloves to improve your grip on the handles.
Grass Trimmer/Brush Cutter Operator's Manual Repetitive Stress Injuries 5 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).
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.
Grass Trimmer/Brush Cutter Operator's Manual 7 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.
POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter. 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.
Grass Trimmer/Brush Cutter Operator's Manual 9 Contents 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.
Assembly plastic shield installation (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 may result. 1. 2. 3. 4. 5. 6. C Align hole in upper plate (D) with notch in gear housing (G), and insert locking tool to prevent splined shaft from turning. Arrow on gear housing flange points to notch location.
Grass Trimmer/Brush Cutter Operator's Manual 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. 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.
1. If installed, remove nylon line head, upper fixing plate, shield plate, and plastic shield: 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.
Grass Trimmer/Brush Cutter Operator's Manual Install Blade D Parts Required: Upper Plate w/ 20 mm pilot, Lower Plate, 10 mm Nut w/L.H. threads, 2 x 25 mm Cotter Pin, Blade. 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 that rotation arrow on blade matches rotation of unit: teeth toward direction of rotation (See debris shield decal).
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 Dealer for correct adjustment procedure.
Grass Trimmer/Brush Cutter Operator's Manual Operation 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. WARNING Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can cause unconsciousness, serious injury, or death.
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. Plastic/Nylon Grass/Weed Blades may be used where ever the nylon line head is used. DO NOT use this blade for heavy weeds or brush! 8 Tooth Grass and Weed Blade is designed for grass, garden debris and thick weeds up to 19 mm (3/4”) diameter. DO NOT use this blade for brush or heavy woody growth.
Grass Trimmer/Brush Cutter Operator's Manual 17 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. NOTE In case of Emergency, pull up on the Quick Release Collar to disconnect the trimmer from the harness.
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.
Grass Trimmer/Brush Cutter Operator's Manual starting cold engine 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 thrown, and surfaces that could cause loss of control. 1. Stop Switch Move stop switch button (A) forward away from the STOP position. 2. Choke Move choke lever (B) to Cold Start Position ( 3. ).
starting warm 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 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 position. 2.
Grass Trimmer/Brush Cutter Operator's Manual 21 stopping engine 1. 2. Throttle Release throttle and allow engine to return to idle before shutting off engine. A Stop Switch Move stop switch button (A) backward to STOP position. WARNING If engine does not stop when stop switch is moved to STOP position, close choke - COLD START position - to stall engine. Have your ECHO dealer repair stop switch before using trimmer again.
maintenance intervals COMPONENT/ SYSTEM MAINTENANCE PROCEDURE REQ'D SKILL LEVEL DAILY OR BEFORE USE Air Filter Inspect/Clean 1 I/C* Choke Shutter Inspect/Clean 1 I/C EVERY REFUEL 3 MONTHS OR 90 HOURS YEARLY 600 HOURS R* Fuel Filter Inspect/Replace 1 I* I/R* Fuel Cap Gasket Inspect/Replace 1 I * R* Fuel System Inspect/Replace 1 Spark Plug Inspect/Clean 1 Cooling System Inspect/Clean 2 Muffler Spark Arrestor Inspect/Clean/Replace 2 I/C/R* Cylinder Exhaust Port Inspec
Grass Trimmer/Brush Cutter Operator's Manual 23 air filter Level 1. Parts required: 1. 2. 3. 4. REPOWERTM AIR & FUEL FILTER KIT. 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. Remove air filter cover and air filter retainer from inside cover. Brush dirt from inside cover. Replace filter if it is damaged, very dirty, or the rubber sealing edges are deformed.
spark plug Level 2. Parts Required: REPOWERTM Tune-Up Kit IMPORTANT Use only NGK BPM-8Y spark plug (BPMR-8Y 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. 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.
Grass Trimmer/Brush Cutter Operator's Manual 1. Remove air cleaner cover. 2. Remove spark plug lead. 3. Remove muffler cover (A). 4. Remove engine cover (B). A B IMPORTANT DO NOT use a metal scraper to remove dirt from the cylinder fins. 5. Use brush to remove dirt from the cylinder fins. 6. Remove grass and leaves from the grid between the recoil starter and fuel tank. 7. Assemble components in reverse order. exhaust system Spark Arrestor Screen Level 2.
3. Remove spark arrestor screen cover (B), gasket (C) and screen (D) from muffler body. NOTE When cleaning carbon deposit, be careful not to damage the catalytic element inside muffler. 4. Clean carbon deposits from muffler components. 5. Replace screen if it is cracked, plugged, or has holes burned through. 6. D C B Assemble components in reverse order. Exhaust Port Cleaning Level 2. Parts Required: As needed: Heat Shield 1. Remove spark plug lead from spark plug, and remove muffler cover.
Grass Trimmer/Brush Cutter Operator's Manual carburetor adjustment 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 breakin period your engine performance will increase and exhaust emissions will stabilize. Idle speed can be adjusted as required.
lubrication Level 1. Parts Required: POWER BLENDXTM 8 oz. (P/N 91014) or Lithium Base Grease. Gear Housing 1. Clean all loose debris from gear box. 2. Remove plug (A) and check level of grease. Grease should fill gear case to bottom of grease plug hole. 3. Add grease if necessary using manual grease gun or squeeze-type tube. Do not use high pressure grease gun. DO NOT over-fill. A A Drive Shaft 1. Loosen two (2) screws (B) and remove center locating screw (C).
Grass Trimmer/Brush Cutter Operator's Manual nylon line replacement Level 1. Parts Required: ECHO 2.4mm (0.095 in.) Nylon Trimmer Line 12m (40 feet [two 20 ft. sections]) Echomatic Pro Trimmer Head 1. Shut engine off. Lay unit on the ground with head assembly up. 2. Do not push spool in. Hold drum and turn spool clockwise until peg clicks and disappears from hole. Pull spool out of drum. 3. Place ends of two 20 ft. x .095 in.
sharpening metal blades Three styles of metal blades are approved for use on the ECHO 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.
Grass Trimmer/Brush Cutter Operator's Manual Troubleshooting ENGINE PROBLEM TROUBLESHOOTING CHART Problem C h eck Fuel at carburetor Fuel at cylinder Engine cranks starts hard/ doesn't start Engine runs, but dies or does not accelerate properly Engine does not crank Status C au se No fuel at carburetor Fuel strainer clogged Fuel line clogged Carburetor Remedy Clean or replace Clean or replace See your Echo dealer No fuel at cylinder C arburetor See your Echo dealer Muffler wet with fuel Fuel Mi
Storage warning 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.
Grass Trimmer/Brush Cutter Operator's Manual Specifications MODEL ���������������������������������������������������� SRM-280U Length ������������������������������������������������������� 1805 mm (71.1 in.) Width �������������������������������������������������������� 700 mm (27.6in.) Height ������������������������������������������������������� 515 mm (20.3 in.) Weight (dry) w/Cutter Head ������������������������������ 6.38 kg (14.1 lb.
Warranty Statements ECHO LIMITED WARRANTY STATEMENT FOR PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010 ECHO'S RESPONSIBILITY ECHO Incorporated’s Limited Warranty, provides to the original purchaser that this ECHO product is free from defects in material and workmanship.
Grass Trimmer/Brush Cutter Operator's Manual PURCHASED REPAIR PARTS, SHORT BLOCKS AND ACCESSORIES • 90-day residential, or non-income producing warranty • 30-day commercial, institutional, agricultural, industrial, income producing, or rental application warranty ATTENTION TWO-STROKE ENGINE POWER PRODUCT OWNERS This ECHO two-stroke engine power product is a quality-engineered unit which has been manufactured to exact tolerances to provide superior performance.
ECHO INCORPORATED EMISSION CONTROL WARRANTY STATEMENT FOR ECHO AND SHINDAIWA BRANDS The Environmental Protection Agency (EPA) and the California Air Resources Board (C.A.R.B.) and ECHO Incorporated (ECHO Inc.) are pleased to explain the emission control system warranty on your 2010 and later equipment/small off-road engine (SORE). New equipment/SORE must be designed, built and equipped to meet stringent EPA and C.A.R.B. anti-smog standards. ECHO Inc.
Grass Trimmer/Brush Cutter Operator's Manual notes 37
notes
Grass Trimmer/Brush Cutter Operator's Manual notes 39
Servicing Information parts/serial number Genuine ECHO Parts and ECHO REPOWER™ 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, Type and Serial Number of the unit with you. You can find these numbers on the engine housing. For future reference, write them in the space provided below. Model No. _________________SN.
