Grass Trimmer/Brush Cutter Operator's Manual MODEL SRM - 230U Serial Number 05001001 - 05002398 WARNING DANGER Read rules for safe operation and instructions carefully. ECHO provides an Operator's Manual and a Safety Manual. Both must be read and understood for proper and safe operation.
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 OPERATOR'S MANUAL Read and understand this manual before operation. Keep it in a safe place for future reference.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL MANUAL SAFETY SYMBOLS AND IMPORTANT INFORMATION Throughout this manual and on the product itself, you will find safety alerts and helpful, information messages preceded by symbols or key words. The following is an explanation of those symbols and key words and what they mean to you. This symbol accompanied by the words WARNING and DANGER calls attention to an act or condition that can lead to serious personal injury to operator and bystanders.
Shaft Decal P/N 89016844830 WARNING DANGER • This unit can be dangerous and cause serious injury if improperly used. To reduce injury risk to operator, helpers and bystanders, read and understand the Operator's and Safety manuals. • Blindness can occur from objects that are thrown or ricocheted even with shield in place. Operators, helpers and bystanders must wear ANSI Z87.1 approved eye protection. • Always wear hearing protection when operating unit.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL SAFETY INSTRUCTIONS PERSONAL CONDITION AND SAFETY EQUIPMENT WARNING DANGER Trimmer/Brush Cutter users risk injury to themselves and others if the trimmer/brush cutter is used improperly or safety precautions are not followed. Proper clothing and safety gear must be worn when operating a trimmer/brush cutter.
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.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 7 SAFE OPERATION WARNING 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.
DESCRIPTION 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.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 14 15 22 21 16 23 20 19 Safety Video 17 18 13 12 11 6 3 4 5 2 1 7 8 10 9 9
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 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. STOP SWITCH - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD to RUN, BACK to STOP. THROTTLE TRIGGER - Controls engine speed.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL SPECIFICATIONS MODEL ----------------------------------------------------- SRM-230U Length ------------------------------------------------------- 1795 mm (70.7 in.) Width -------------------------------------------------------- 700 mm (27.68 in.) Height ------------------------------------------------------- 455 mm (17.9 in.) Weight (dry) w/Cutter Head ------------------------------ 5.72 kg (12.6 lb.
ASSEMBLY PLASTIC SHIELD INSTALLATION (For Nylon Line Operation) Tools Required: Screwdriver. Parts Required: Plastic Shield, Shield Plate, three (3) 5mm x 16mm screws. NOTE The plastic shield is for use with the Nylon Line Head only. Install Metal Shield when using plastic or metal blades. 1. Remove blade and metal shield, if installed. 2. Place plastic shield on bottom of bearing housing flange. 3. Place shield plate on plastic shield, align holes.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL BLADE OPERATION WARNING DANGER You must install the U-Handle and all Blade Conversion parts shown in the following instructions before operating this unit with a metal blade, otherwise serious injury may result. NOTE Model SRM-230U includes U-Handle, and necessary blade conversion parts. Blades are not provided with trimmer/ brushcutters and must be selected for type of cutting being performed. See page 15, "Blade Selection.
Install Blade Tools Required: Locking Tool, Scrench. 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. M H L 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 (L) 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).
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL U-HANDLE INSTALLATION Tools Required: 19 mm wrench, 4 mm hex socket wrench, Pliers Parts Required: U-Handle, Clamp w/screws, 8 mm x 55 mm hex bolt, 8 mm flat washer 1. Install upper U-Handle and bracket on lower bracket with one (1) 8mm x 55mm bolt (A) and (1) large circular washer. Do not tighten bolt securely until final adjustments are completed. 2. Loosen upper (2) U-handle clamp screws (B), and position Uhandle as shown. 3.
4. Bundle and secure ignition leads against engine housing with clip (I). I BALANCE AND ADJUST UNIT 1. Loosen harness clamp screw. 2. Put on harness and attach unit to harness. 3. Slide harness clamp up (J) or down until unit balances with head approximately 50-75 mm (2 -3 in.) from the ground. 4. Tighten harness clamp screw. 5. Loosen upper U-Handle clamp screws (K), and position U-Handle for comfortable operation. 6. K J Tighten U-Handle clamp screws and 8 mm clamp bolt securely.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL Plastic/Nylon Blades may be used where ever the nylon line head is used. DO NOT use this blade for heavy weeds or brush! 8 Tooth Weed/Grass Blade (P/N 69600120331) is designed for grass, garden debris and thick weeds. DO NOT use this blade for brush or heavy woody growth, 19 mm (3/4 in.) diameter or larger. 80 Tooth Brush Blade (P/N 69500120331) is designed for cutting brush and woody growth up to 64 mm (2-1/2 in.) diameter.
PRE - OPERATION FUEL Fuel Requirements Gasoline - Use 89 Octane [R+M/2] (mid grade or higher) gasoline or gasohol known to be good quality. Gasohol may contain up to 10% Ethyl (grain) alcohol or 15% MTBE (methyl tertiary-butyl ether). Gasohol containing methyl (wood) alcohol is NOT approved. Two Stroke Oil - A two-stroke engine oil meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FC Standards must be used. Echo brand premium Power Blend TM Universal 2-Stroke Oil meets these standards.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL OPERATION STARTING COLD ENGINE WARNING DANGER The attachment will operate immediately when the engine starts and could result in loss of control and possible serious injury. Keep movable parts of the attachment off the ground and away from objects that could become entangled or thrown. 1. Stop Switch Move stop switch button (A) forward, away from the STOP position. 2. Choke Lever Move choke lever (B) to Cold Start ( 3. A ) Position.
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. NOTE If engine does not start after 5 pulls, use Cold Start Procedure. WARNING DANGER The attachment should not move at idle, otherwise serious personal injury may result. A NOTE If attachment moves, readjust carburetor according to “Carburetor Adjustment” instructions in this manual or see your ECHO Dealer. 1.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 21 STOPPING ENGINE 1. Throttle Release throttle and allow engine to return to idle before shutting off engine. 2. Stop Switch Move stop switch button (A) backward to STOP position. WARNING A DANGER 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 C OMPON EN T/ SYSTEM MAIN TEN AN C E PR OC ED U R E R EQ'D SK ILL LE V E L D AILY OR B EFOR E U SE EVERY R E FU E L 3 MON TH S OR 90 H OU R S 6 MON TH S OR 270 H OU R S YEAR LY 600 H OU R S R ecommended Echo D ealer Maintenance Procedures C yli nder Exhaust Port Inspect/C lean/D ecarbon 3 I/C D o-It-Yourself Maintenance Procedures Ai r Fi lter Inspect/C lean/Replace 1 I/C C hoke Inspect/C lean 2 I/C Fuel Fi lter Inspect/Replace 1 Fuel System, leaks Inspect/R
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL AIR FILTER Level 1. Tools required: Cleaning brush 25 or 50 mm (1 or 2 in.) Parts required: 90008 REPOWERTM AIR & FUEL FILTER 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 the air cleaner area. 2. Remove the air cleaner cover. Clean and inspect the element for damage. If element is fuel soaked and very dirty, replace. 3.
SPARK PLUG Level 2. Tools Required: T-Wrench (combination socket wrench & screw driver) Feeler gauge, preferably a wire gauge. Soft Metal Brush. Parts Required: REPOWERTM Tune-Up Kit P/N 90074 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 145-155 kg/cm (125-135 in. lb.).
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 1. Remove spark plug lead. 2. Remove two (2) muffler cover screws and muffler cover (A). 3. Remove screw and arm rest (B). 4. Remove engine cover (C). C 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.
1. Remove two (2) muffler cover screws and muffler cover (A). 2. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from entering cylinder. 3. Remove spark arrestor screen cover (B), gasket (C) and screen (D) from muffler body. 4. Clean carbon deposits from muffler components. 5. Replace screen if it is cracked, plugged, or has holes burned through. 6. Assemble components in reverse order.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL NOTE Every unit is run at the factory and the carburetor is set in compliance with emission regulations. This carburetor does not have acceleration and high speed adjustment needles. 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 page 11 "Specifications" of this manual. Turn idle screw (A) clockwise to increase idle speed; counter clockwise to decrease idle speed.
NYLON LINE REPLACEMENT B Level 1. Parts Required: ECHO 0.095" Nylon Trimmer Line 6 m (20 ft.) long. 1. Shut engine off. Lay unit on the ground with head assembly up. 2. Hold drum (A) and firmly turn spool (B) CW (clockwise) until it disengages from the inner drive. Pull spool from drum. DO NOT push in on spool when turning. A A B 3. Use one piece of new nylon line (C) 6 m (20 ft.) long and thread through the molded loop (D) on the spool. Pull line tight and adjust so one end is 15 cm (6 in.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 8. Hold drum (A) firmly and turn spool (B) CCW (counterclockwise) until it stops. DO NOT push in on spool when turning. B A 9. Pull both lines out and trim to cut-off knife length. 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.
TROUBLESHOOTING EN GIN E PR OB LEM TR OU B LESH OOTIN G C H AR T Problem C h eck Status Fuel at carburetor No fuel at carburetor No fuel at cyli nder Engi ne cranks starts hard/ doesn't start Engi ne runs, but di es or does not accelerate properly C au se R emedy Fuel strai ner clogged Fuel li ne clogged C arburetor C lean or replace C lean or replace See your Echo dealer C arburetor See your Echo dealer Fuel at cyli nder Muffler wet wi th fuel Fuel Mi xture too ri ch Open choke C lean/repl
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 31 STORAGE WARNING DANGER 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.
SERVICING INFORMATION PARTS 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 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. ____________ SERVICE DEALER? Call 1-800-432-ECHO or www.echo-usa.
