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Echo SRM - 225U Operator's Manual

Grass trimmer/brush cutter
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Grass Trimmer/Brush Cutter
Operator's Manual
MODEL
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.
X7722271403
SRM - 225U
WARNING
X772000163
12/09

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Summary of Contents for Echo SRM - 225U

  • Page 1 Grass Trimmer/Brush Cutter Operator's Manual MODEL SRM - 225U WARNING 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. X772000163 X7722271403...

  • Page 2: Table Of Contents

    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.

  • Page 3: Safety

    rass rimmer rush uTTer peraTOr anual afety manual safety symbols and Important InformatIon 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.
  • Page 4 Wear no-slip, heavy-duty work gloves to improve your grip on the handle. Gloves also reduce the transmission of ma- chine vibration to your hands. Hearing Protection ECHO recommends wearing hearing protection whenever unit is used. Proper Clothing Wear snug fitting, durable clothing;...
  • Page 5 rass rimmer rush uTTer peraTOr 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).

  • Page 6: Equipment

    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.

  • Page 7: Description

    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.
  • Page 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.

  • Page 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.

  • Page 10: Assembly

    ssembly plastIc shIeld InstallatIon (Nylon line operation) Tools Required: Torx T27 L-Wrench, Locking Tool Parts Required: Plastic Debris Shield, Shield Plate, three (3) 5 x 16 mm screws. WARNING 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.

  • Page 11: To Advance Trimmer Line

    rass rimmer rush uTTer peraTOr anual to advance trImmer lIne See Maintenance Section for nylon line replacement. Tip: To advance trimmer line, tap trimmer head against the ground while the head is turning at normal operating speed. remove nylon lIne head NOTE Do not disassemble nylon line head.

  • Page 12: Install Blade

    d. Remove three screws holding shield plate and plastic shield (F) to gear housing. e. Retain line head, upper fixing plate, shield plate, and plastic shield for conversion back to nylon line head operation. 2. Align hole in upper plate (A) with notch in gear housing (B), and insert locking tool to prevent splined shaft from turning.

  • Page 13: U-Handle Installation

    The throttle linkage must be adjusted by moving the adjustment nut (D). Consult with your Echo Dealer for correct adjustment procedure. Tighten nut (E). Connect 2 ignition stop leads F,G) from throttle cable tubing to 2...

  • Page 14: Balance And Adjust Unit

    5. Secure ignition leads against engine housing with clips (H,I). 6. Install air filter and cover. balance and adjust unIt Loosen harness clamp screw. Put on harness and attach unit to harness. Slide harness clamp up (A) or down until unit balances with head approximately 50-75 mm (2 -3 in.) from the ground.

  • Page 15: Operation

    rass rimmer rush uTTer peraTOr anual peratIon 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.
  • Page 16 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 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.

  • Page 17: Fuel

    WARNING Alternative fuels, such as E-15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2-stroke gasoline engines. Use of alternative fuels may cause performance problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited to, improper clutch engagement.
  • Page 18 Mixing Instructions 1. Fill an approved fuel container with half of the required amount of gasoline. 2. Add the proper amount of 2-stroke oil to gasoline. 3. Close container and shake to mix oil with gasoline. 4. Add remaining gasoline, close fuel container, and remix. IMPORTANT Spilled fuel is a leading cause of hydrocarbon emissions.

  • Page 19: Starting Cold Engine

    rass rimmer rush uTTer peraTOr anual startIng cold engIne WARNING 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.

  • Page 20: Starting Warm Engine

    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 posi- tion.

  • Page 21: Stopping Engine

    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. If the task is not listed, see your ECHO Dealer for repairs.

  • Page 22: Maintenance Intervals

    maIntenance Intervals REQ'D DAILY OR 3 MONTHS COMPONENT/ MAINTENANCE EVERY YEARLY SKILL BEFORE OR 90 SYSTEM PROCEDURE REFUEL 600 HOURS LEVEL HOURS Air Filter Inspect/Clean I / C * Choke Shutter Inspect/Clean I / C Fuel Filter Inspect/Replace I / R * Fuel Cap Gasket Inspect/Replace Fuel System...

  • Page 23: Air Filter

    rass rimmer rush uTTer peraTOr anual aIr fIlter Level 1. Tools required: 25 - 50 mm (1 - 2 in.) Cleaning Brush Parts required: REPOWER AIR & FUEL FILTER KIT. Close choke (Cold Start Position [ ]). This prevents dirt from entering the carburetor throat when the air filter is removed.

  • Page 24: Spark Plug

    spark plug Level 2. Tools required: T-Wrench, feeler gauge, soft metal brush Parts Required: REPOWER Tune-Up Kit IMPORTANT Use only NGK BPM-8Y spark plug (BPMR-8Y in Canada) other- wise severe engine damage may occur. 1. Remove spark plug and check for fouling, worn and rounded center electrode.

  • Page 25: Exhaust System

    rass rimmer rush uTTer peraTOr anual Remove spark plug lead. Remove air cleaner cover (A). Remove 2 engine cover screws and engine cover (B). (1 machine screw - handle side) (1 tapping screw - starter side) IMPORTANT DO NOT use a metal scraper to remove dirt from the cylinder fins. Use brush to remove dirt from the cylinder fins.
  • Page 26 1. Remove engine cover screws (2) and engine cover (B). 2. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from entering cylinder. 3. Remove spark arrestor screen cover (C), gaskets (D), (E), and screen (F), from muffler body. 4.

  • Page 27: Carburetor Adjustment

    Every unit is run at the factory and the carburetor is set in compli- ance with emission regulations. Carburetor adjustments, other than idle speed, must be performed by an authorized ECHO dealer. Check idle speed and reset if necessary. If a tachometer is avail- able, idle speed screw (A) should be set to the specifications found on page 34 "Specifications"...

  • Page 28: Lubrication

    lubrIcatIon Level 1. Tools Required: 13mm Open End Wrench, T27 Torx L-Wrench, Clean Rag, Grease Gun Parts Required: POWER BLENDX 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.

  • Page 29: Nylon Line Replacement

    rass rimmer rush uTTer peraTOr anual nylon lIne replacement Hold drum securely. Push spool in, and turn clockwise until lock- ing peg clicks. Pull spool out of drum. Clear any remaining line or debris from spool and drum. Align pegs on inner drive (A) with grooves in spool (B), and install spool onto drum.
  • Page 30 6. Hold drum securely, and turn spool clockwise to wind line onto spool. 7. Cut remaining line loop to separate into two pieces.

  • Page 31: 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 mainte- nance. The clearing blade and 80 tooth blade require professional service.

  • Page 32: Troubleshooting

    roubleshootIng r o t r o t i a r i l l r o t r e l i l y i l y r o t r e l f f u r e l h t i r u t r / n r i a...

  • Page 33: Storage

    rass rimmer rush uTTer peraTOr anual torage 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.

  • Page 34: Specifications

    pecIfIcatIons MODEL ---------------------------------------------------- SRM-225U Length ------------------------------------------------------- 1793 mm (70.6 in.) Width -------------------------------------------------------- 700 mm (27.5 in.) Height ------------------------------------------------------- 510 mm (20.1 in.) Weight (dry) w/Cutter Head ------------------------------ 5.98 kg (13.2 lb.) Engine Type ------------------------------------------------ Air cooled, two-stroke, single cylinder gasoline engine Bore ---------------------------------------------------------- 32.2 mm (1.27 in.) Stroke -------------------------------------------------------- 26.0 mm (1.02 in.) Displacement ----------------------------------------------- 21.2 cc (1.29 cu.

  • Page 35: Warranty Statements

    The owner shall demonstrate reasonable care and use, and follow preventative maintenance, storage, fuel and oil usage as prescribed in the operator’s manual. Should a product difficulty occur, you must, at your expense, deliver or ship your ECHO unit to an authorized ECHO servicing dealer for warranty repairs (within the applicable warranty period), and arrange for pick-up or return of your unit after the repairs have been made.
  • Page 36 89 octane or higher. Gasohol which contains a maximum 10% ethanol (grain alcohol) or 15% MTBE (methyl/tertiary/butyl/ether) is also approved. The prescribed mixing ratio of gasoline to oil is listed on the ECHO oil label and covered in your operator’s manual.
  • Page 37 HOW WILL A COVERED PART BE CORRECTED? If there is a defect in a part covered by this warranty, any ECHO Inc. Authorized Service Dealer will correct the defect. You will not have to pay anything to have the part adjusted, repaired or replaced. This includes any labor and diagnosis for warranted repairs performed by the dealer. In addition, engine parts not expressly covered under this warranty but whose failure is a result of a failure of a covered part will be warranted.
  • Page 38 notes...
  • Page 39 rass rimmer rush uTTer peraTOr anual notes...

  • Page 40: Servicing Information

    ECHO Inc., 400 Oakwood Road, Lake Zurich, IL 60047 (800-673-1558). Always check the ECHO Web Site for updated information. Safety Videos are available from your Echo dealer. A $5.00 shipping charge will be required for each video. ECHO, INCORPORATED...

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