Grass Trimmer/Brush Cutter Operator's Manual MODEL SRM - 210U Serial Number 05001001 - 05999999 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 3 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. 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 89016054130) 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.
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 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 operators of this equipment with the Operator's Manual and Safety Manual for instructions on safe operation.
DESCRIPTION Your new Echo product has been factory pre-assembled for your convenience. Due to packaging restrictions, shield installation and other final assembly may be necessary. Check the contents carefully, and notify your retailer or ECHO Dealer immediately if any parts are missing or damaged. Use the contents list below to check for missing parts.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL MODEL SRM-210U PARTS 9 15 23 24 16 22 12 21 17 20 19 18 13 9 8 7 4 5 6 3 2 1 10 11 14
MODEL SRM-210U PART DESCRIPTIONS 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. RIGHTHANDGRIP THROTTLE TRIGGER LOCKOUT - This lever must be held during acceleration. 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.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL SPECIFICATIONS MODEL --------------------------------------------------------------Length ----------------------------------------------------------------Width -----------------------------------------------------------------Height ----------------------------------------------------------------Weight (dry) w/Cutter Head ---------------------------------------Engine Type ---------------------------------------------------------Bore -------------------------------
ASSEMBLY PLASTIC SHIELD INSTALLATION Tools Required: Screwdriver, Locking Tool Parts Required: Plastic Debris Shield, Shield Plate, three (3) 5 x 16 mm screws. WARNING DANGER G 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. Align hole in upper plate (D) with notch in gear housing (G), and insert locking tool to prevent splined shaft from turning.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL BLADE INSTALLATION WARNING DANGER You must install the U-Handle and all Blade Conversion parts shown in the following instructions before operating this unit with metal blades, otherwise serious injury may result. NOTE Model SRM-210U includes U-Handle, 8-tooth blade, and necessary blade conversion parts. Blades must be selected for type of cutting being performed. See page 16, "Blade Selection.
Install Blade Tools Required: Locking Tool, Scrench. 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. 3. 4. D M H L 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 THROTTLE LINKAGE AND IGNITION LEADS 1. Place throttle linkage cable (C) through adjustment fixture (D) and install wire end into large carburetor throttle swivel hole (E). Check throttle for freedom of movement and that wide open throttle / low idle extremes are adjusted properly. The throttle linkage can be adjusted by turning the adjustment fixture (D). Consult with your Echo Dealer for correct adjustment procedure. 2.
BLADE SELECTION WARNING DANGER 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. 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 is designed for grass, garden debris and thick weeds.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL Shoulder/Waist Harness (P/N 30100052131) Use of the Shoulder/Waist Harness is required for blade operation, and is recommended for ALL Trimmer/Brush Cutter use. The Shoulder/Waist Harness suspends the trimmer from the operator's shoulder, and reduces operator fatigue during nylon line trimming or cutting with a blade.
PRE-OPERATION FUEL Fuel Requirements Gasoline - Use 89 Octane [R + M/2] (mid grade or higher) gasoline known to be good quality. Gasoline may contain up to 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 cutting attachment should not rotate at idle. If attachment rotates, readjust carburetor according to "Carburetor Adjustment" instructions in this manual or see your ECHO Dealer, otherwise serious personal injury may result. A NOTE Refer to Grass Trimmer/Brush Cutter Safety Manual for proper and safe techniques. 1. Stop Switch Move stop switch button (A) forward, away from the STOP position. 2.
STARTING WARM ENGINE WARNING DANGER The cutting attachment should not rotate at idle. If attachment rotates, readjust carburetor according to "Carburetor Adjustment" instructions in this manual or see your ECHO Dealer, otherwise serious personal injury may result. 1. Stop Switch Move stop switch button (A) away from the STOP position. 2. Recoil Starter Lay the unit on a flat, clear area and pull the recoil starter handle (D) until the engine fires.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 21 MAINTENANCE Your ECHO 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, you may want to take your unit to an ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have the ECHO Dealer do it, each maintenance task has been graded.
AIR FILTER Level 1. Tools required: 25-50 mm (1 or 2 in.) medium bristle paint brush. Parts required: 90030 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 or very dirty, replace. 3.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL SPARK PLUG Level 2. Tools Required: Scrench (combination socket wrench & screw driver) Feeler gauge, preferably a wire gauge. Brush. Parts Required: REPOWERTM Tune-Up Kit P/N 90074 1. Remove spark plug and check for wear or fouling. 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. Install spark plug and tighten to 145-155 kg/cm (125-135 in.
4. Use the wooden stick or brush to remove dirt from the cylinder fins. 5. Install engine cover properly, placing fuel vent tube into engine cover and deflector shield tabs (A) into slots in engine cover. 6. Secure engine cover with three (3) screws. 7. Install top guard, and secure with one (1) screw. 8. Connect spark plug lead to spark plug. A EXHAUST SYSTEM Spark Arrestor Screen Level 2.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL CARBURETOR ADJUSTMENT NOTE New engines must be operated for a minimum of two tanks of fuel 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 Adjustment High altitude adjustment is not required for proper operation of this engine.
LUBRICATION Level 1. Tools Required: 8 mm Open-end Wrench, Screwdriver, Clean Rag. Parts Required: ECHO® LUBETM 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. 3. Add grease if necessary. DO NOT over fill. A Drive Shaft 1. Loosen two (2) screws (B) and remove center locating screw (C). Pull gear box and shield from drive shaft. 2.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL NYLON LINE REPLACEMENT Level 1. B 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 turn spool (B) CW (clockwise) until it stops. 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.
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.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 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
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.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL NOTES 31
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 this information on the engine housing. For future reference, write them in the space provided below. Model No. ________________ S.N.
