Echo SRM-225 Operator's Manual
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Echo SRM-225 Operator's Manual

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x7722271404 / x772000164
GRASS TRIMMER /

BRUSH CUTTER

Operator's Manual
The muffler or catalytic muffler and surrounding cover may
become extremely hot.
Always keep clear of exhaust and muffler area, otherwise
serious personal injury may occur.
The engine exhaust from this product contains chemicals known to the
State of California to cause cancer, birth defects or other reproductive
harm.
Specifications, descriptions and illustrative material in this literature are as
accurate as known at the time of publication, but are subject to change
without notice. Illustrations may include optional equipment and
accessories, and may not include all standard equipment.
X7722279402
© 2/2016 ECHO Inc.
SRM-225
Burn Hazard

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Summary of Contents for Echo SRM-225

  • Page 1: Brush Cutter

    Specifications, descriptions and illustrative material in this literature are as accurate as known at the time of publication, but are subject to change without notice. Illustrations may include optional equipment and accessories, and may not include all standard equipment. X7722279402 © 2/2016 ECHO Inc.

  • Page 2: Table Of Contents

    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.
  • Page 3 Nylon Line Replacement ................37 Sharpening Metal Blades ................. 38 Troubleshooting ....................40 Storage ......................41 Long Term Storage (Over 30 Days) ............41 Specifications ....................43 Notes ....................... 45 Product Registration ..................46 Notes ....................... 48 X7722279402 © 2/2016 ECHO Inc.

  • Page 4: Introduction

    Service Service of this product during the warranty period must be performed by an Authorized ECHO Service Dealer. For the name and address of the Authorized ECHO Service Dealer nearest you, ask your retailer or call: 1-800-432-ECHO (3246). Dealer information is also available on our Web Site. When presenting your unit for Warranty service/repairs, proof of purchase is required.

  • Page 5: Echo Consumer Product Support

    ECHO equipment on-line at www.echo-usa.com or by filling out the product registration sheet included in this manual. Registering your product confirms your warranty coverage and provides a direct link between you and ECHO if we find it necessary to contact you.

  • Page 6: International Symbols

    Operator’s Manual High Speed Mixture Wear Eye, Ear and Carburetor Adjustment - Head Protection Idle Speed Wear Hand Carburetor Adjustment - and Foot Protection Low Speed Mixture Safety/Alert Emergency Stop Hot Surface Fuel and Oil Mixture X7722279402 © 2/2016 ECHO Inc.
  • Page 7 Choke Control “COLD Choke Control “RUN” START” Position (Choke Position (Choke Open) Closed) Keep Feet Away Rotating Cutting From Blade Attachment Keep Bystanders and Helpers Away 15 m (50 ft.). Thrown Direction of Objects Blade X7722279402 © 2/2016 ECHO Inc.

  • Page 8: Personal Condition And Safety Equipment

    Gloves also provide protection against cuts and scratches, cold environments, and reduce the transmission of machine vibration to your hands. Hearing/Ear Protection ECHO recommends wearing hearing protection whenever unit is used. Breathing Protection Operators who are sensitive to dust or other common airborne allergens may need to wear a dust mask to prevent inhaling these materials while operating unit.
  • Page 9 In the absence of such information, ECHO does not recommend the use of this machine by anyone who has a pacemaker. Extended Operation / Extreme Conditions Prolonged exposure to cold and/or vibration may result in injury.
  • Page 10 • Immediately stop using all power equipment and consult a doctor if you feel tingling, numbness, or pain in the fingers, hands, wrists, or arms. The sooner RSI/CTS is diagnosed, the more likely permanent nerve and muscle damage can be prevented. X7722279402 © 2/2016 ECHO Inc.
  • Page 11 Do not work in odd positions or on ladders. Do not over reach. For more information scan the QR code. Avoid Hot Surfaces • Keep exhaust area clear of flammable debris. Avoid contact during and immediately after operation. X7722279402 © 2/2016 ECHO Inc.

  • Page 12: Equipment

    SAFETY SRM-225 Equipment Use only ECHO 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.

  • Page 13: Emission Control (Exhaust & Evaporative)

    Maintenance Section of this manual. X7722279402 © 2/2016 ECHO Inc.

  • Page 14: Description

    Locate the safety decal(s) on your unit. Make sure the decal(s) is legible and that you understand and follow the instructions on it. If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific information.
  • Page 15 13. RECOIL STARTER HANDLE - Pull handle slowly until starter engages, then quickly and firmly. When engine starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur. X7722279402 © 2/2016 ECHO Inc.
  • Page 16 Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line. Pump purge bulb an additional 4 or 5 times. X7722279402 © 2/2016 ECHO Inc.

  • Page 17: Contents

    Due to packaging restrictions, some 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 - Operator’s Manual...

  • Page 18: Assembly

    Assemble adapter plate (C) onto PTO shaft. Nylon Line Head Installation Parts Required: Nylon Line Head. Wear Gloves or personal injury may result: Cutoff knife is sharp. ◆ Gearcase and surrounding area may be hot. ◆ X7722279402 © 2/2016 ECHO Inc.

  • Page 19: To Advance Trimmer Line

    Note: Your nylon line head may appear different than nylon line head shown. 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. X7722279402 © 2/2016 ECHO Inc.

  • Page 20: Remove Nylon Line Head

    Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can cause unconsciousness, serious injury, or death. Exhaust can cause serious burns. ALWAYS position unit so that exhaust is directed away from your face and body. X7722279402 © 2/2016 ECHO Inc.

  • Page 21: Operation With Blades

    New Cotter Pin DO NOT INSTALL BLADES ON GT (CURVED SHAFT) MODEL TRIMMERS. • Arbor Diameter of Upper Blade Plate must match arbor diameter of blades. • New cotter pin required each time blade is installed. X7722279402 © 2/2016 ECHO Inc.

  • Page 22: Blade Selection

    80 Tooth Brush Blade is designed for cutting brush and woody growth up to 13 mm (1/2 in.) diameter. 22 Tooth Clearing Blade is designed for dense thickets and saplings up to 64 mm (2-1/2 in.) diameter. X7722279402 © 2/2016 ECHO Inc.

  • Page 23: Fuel

    2-stroke and 2/4-stroke hybrid engines. Two Stroke Oil - A two-stroke engine oil meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD Standards must be used. Echo brand premium Power Blend ™ Universal 2-Stroke Oil meets these standards. Engine problems due to inadequate lubrication caused by failure to use an ISO-L-EGD (ISO/CD 13738) ™...
  • Page 24 ™ Echo premium Power Blend X Universal 2-Stroke Oil may be mixed at 50:1 ratio for application in all Echo engines sold in the past regardless of ratio specified in those manuals. Handling Fuel Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result.

  • Page 25: Starting Cold Engine

    Keep movable parts of the attachment away from objects that could become entangled or thrown, and surfaces that could cause loss of control. Stop Switch Move stop switch button (A) forward, away from the STOP position. X7722279402 © 2/2016 ECHO Inc.

  • Page 26: 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. The attachment should not move at idle, otherwise serious personal injury may result. X7722279402 © 2/2016 ECHO Inc.
  • Page 27 Firmly grip throttle handle and throttle trigger lockout with left hand. Rapidly pull recoil starter handle/rope (D) until engine fires. Note: If engine does not start after 5 pulls, use Cold Start Procedure. X7722279402 © 2/2016 ECHO Inc.

  • Page 28: 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 29: Maintenance Intervals

    MAINTENANCE PROCEDURE NOTES: (1) Apply lithium based grease every 25 hours of use. (2) Apply lithium based grease every 50 hours of use. (3) Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity. X7722279402 © 2/2016 ECHO Inc.

  • Page 30: Air Filter

    Use a clean rag to remove loose dirt from around fuel cap and empty fuel tank. Pull the fuel filter from the fuel tank. Remove the filter from the line and install the new filter. X7722279402 © 2/2016 ECHO Inc.

  • Page 31: Spark Plug

    Level 2. Parts Required: None if you are careful. To maintain proper engine operating temperatures, cooling air must pass freely through the cylinder fin area. This flow of air carries combustion heat away from the engine. X7722279402 © 2/2016 ECHO Inc.
  • Page 32 Remove air cleaner cover (A). Remove engine cover (B). DO NOT use a metal scraper to remove dirt from the cylinder fins. Use brush to remove dirt from the cylinder fins. Remove ignition wires from clip for cleaning. X7722279402 © 2/2016 ECHO Inc.

  • Page 33: Exhaust System

    Replace screen if it is cracked, plugged, or has holes burned through. Assemble components in reverse order. Exhaust Port Cleaning Level 2. Parts Required: As needed: Heat Shield X7722279402 © 2/2016 ECHO Inc.

  • Page 34: Carburetor Adjustment

    1,100 feet above sea level (ASL) (96.0 kPa). To maintain proper engine operation and emission compliance above 1,100 feet ASL the carburetor may need to be adjusted by an authorized ECHO service dealer. X7722279402 © 2/2016 ECHO Inc.

  • Page 35: Lubrication

    When carburetor adjustment is completed, the cutting attachment should not move at idle, otherwise serious personal injury may result. Lubrication Level 1. Parts Required: Lithium Based Grease. X7722279402 © 2/2016 ECHO Inc.

  • Page 36: Nylon Line Head Disassembly Instructions

    Install the gear housing and shield assembly. Flat edge of washers (D) must be against drive shaft. Nylon Line Head Disassembly Instructions Note: For normal use, Speed Feed® head disassembly is not necessary. However, if circumstances require disassembly, follow these instructions. X7722279402 © 2/2016 ECHO Inc.

  • Page 37: Nylon Line Replacement

    2.4 mm (.095) diam. – 6 m (20 ft.) Align arrows on top of knob with openings in eyelets. Insert one end of trimmer line into an eyelet, and push line equal distance through trimmer head. X7722279402 © 2/2016 ECHO Inc.

  • Page 38: Sharpening Metal Blades

    Wear Indicators 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.
  • Page 39 This will change the temper of the blade and could result in blade failure. After sharpening teeth, check each tooth radius for evidence of a square (sharp) corner. Use the round (rat tail) file to renew the radius. X7722279402 © 2/2016 ECHO Inc.

  • Page 40: Troubleshooting

    See your Echo Interlock switch dealer Spark gap Adjust to 0.65mm incorrect (0.026 in.) Clean or replace Spark at Covered with Clean or replace No spark plug carbon Replace plug Fouled with fuel Plug defective X7722279402 © 2/2016 ECHO Inc.

  • Page 41: Storage

    Do not store your unit for a prolonged period of time (30 days or longer) without performing protective storage maintenance which includes the following: Store unit in a dry, dust free place, out of the reach of children. X7722279402 © 2/2016 ECHO Inc.
  • Page 42 Observe the piston location through the spark plug hole. Pull the recoil handle slowly until the piston reaches the top of its travel and leave it there. Install the spark plug (do not connect ignition cable). X7722279402 © 2/2016 ECHO Inc.

  • Page 43: Specifications

    NGK BPM8Y Gap 0.65 mm (0.026 in.) Fuel Mixed (Gasoline and Two-stroke Oil) ® 50 : 1 Power Blend X or ECHO Red Armor ISO-L- Fuel/Oil Ratio EGD (ISO/CD 13738) and J.A.S.O. M345- FD, two- stroke, air-cooled engine oil. Use 89 Octane unleaded. Do not use fuel containing...
  • Page 44 SPECIFICATIONS SRM-225 MODEL SRM-225 Clutch Engagement Speed 3,850 RPM Wide Open Throttle Speed 8,700 RPM (W.O.T.) X7722279402 © 2/2016 ECHO Inc.

  • Page 45: Notes

    SRM-225 NOTES NOTES X7722279402 © 2/2016 ECHO Inc.

  • Page 46: Product Registration

    Please go to http://www.echo-usa.com/Warranty/Register-Your-ECHO to register your new product on-line. It's FAST and EASY! NOTE: your information will never be sold or misused by ECHO, Inc. Registering your purchase enables us to contact you in the unlikely event of a service update or product recall, and verifies your ownership for warranty consideration.
  • Page 47 SRM-225 PRODUCT REGISTRATION X7722279402 © 2/2016 ECHO Inc.

  • Page 48: Notes

    NOTES SRM-225 NOTES X7722279402 © 2/2016 ECHO Inc.
  • Page 49 SRM-225 NOTES X7722279402 © 2/2016 ECHO Inc.
  • Page 50 NOTES SRM-225 X7722279402 © 2/2016 ECHO Inc.
  • Page 51 SRM-225 NOTES X7722279402 © 2/2016 ECHO Inc.
  • Page 52 T74414001001-T74414999999 T74514001001-T74514999999 T79914001001-T79914999999 ECHO, INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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