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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.
X7502055400
SRM - 230U
Serial Number 05001001 - 05002398
WARNING
DANGER
X750003700
11/03
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Table of Contents
Related Manuals for Echo SRM - 230U
Summary of Contents for Echo SRM - 230U
- Page 1 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. X7502055400 SRM - 230U Serial Number 05001001 - 05002398...
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Page 2: Table Of Contents
NTRODUCTION 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: Manual Safety Symbols And Important Information
If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific information. Shaft Decal... -
Page 4: International Symbols
• Do not remove shields, modify the unit or install attachments or parts not approved by ECHO. Approved attachment information and replacement Operator's and Safety Manuals are available from your ECHO dealer or by writing: ECHO, INCORPORATED, 400 OAKWOOD RD., LAKE ZURICH, IL 60047. -
Page 5: Safety Instructions
PERSONAL CONDITION AND SAFETY EQUIPMENT WARNING 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. -
Page 6: Repetitive Stress Injuries
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. -
Page 7: Safe Operation
SAFE OPERATION WARNING 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. -
Page 8: 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. - Page 9 RASS RIMMER RUSH UTTER PERATOR ANUAL Safety Video...
- Page 10 23. SAFETY VIDEO - (Not included with unit) P/N 99922202540 English version and P/N 99922203508 Spanish version are available at a cost of $5.00 from ECHO, INC. or any authorized ECHO dealer. The video overviews safety precau- tions and proper operating techniques and is supplemental to the Safety Manual. Read and understand the Safety Manual for complete information on safe operation.
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Page 11: Specifications
PECIFICATIONS 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.) Engine Type ------------------------------------------------ Air cooled, two-stroke, single cylinder gasoline engine Bore ---------------------------------------------------------- 32.2 mm (1.27 in.) Stroke -------------------------------------------------------- 28.0 mm (1.10 in.) Displacement ----------------------------------------------- 22.8 cc (1.39 cu. -
Page 12: Assembly
SSEMBLY 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. Remove blade and metal shield, if installed. -
Page 13: Blade Operation
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."... -
Page 14: Install Blade
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. Install upper plate (D) on splined PTO shaft, pilot side down. Blade installation requires Upper Plate (D) with 20 mm pilot. -
Page 15: U-Handle Installation
The throttle linkage must be adjusted by moving the adjustment fixture (D). Consult with your Echo Dealer for correct adjustment procedure. Connect ignition leads (F) and (G). Install throttle linkage into bracket clamp (H) and pinch snug with pliers. -
Page 16: Balance And Adjust Unit
Bundle and secure ignition leads against engine housing with clip (I). BALANCE AND ADJUST UNIT Loosen harness clamp screw. Put on harness and attach unit to harness. Slide harness clamp up (J) or down until unit balances with head approximately 50-75 mm (2 -3 in.) from the ground. Tighten harness clamp screw. - Page 17 Waist Harness is recommended for ALL Trimmer/Brush Cutter use, not just Blade operation. The Shoulder/Waist Harness when used in a trimming operation with nylon line head suspends the trimmer from the operator's shoulder and reduces operator fatigue. During blade operation, the same fatigue reduction is achieved. Safety...
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Page 18: Pre-Operation
Emission Defect Warranty Explanation.) IMPORTANT Echo premium Power Blend at 50:1 ratio for application in all Echo engines sold in the past regardless of ratio specified in those manuals. Mixing Instructions Fill an approved fuel container with half of the required amount of gasoline. -
Page 19: Operation
PERATION 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. Stop Switch Move stop switch button (A) forward, away from the STOP position. -
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. Stop Switch Move stop switch button (A) away from the STOP position. Primer Pump primer bulb (C) until fuel is visible and flows freely in the clear fuel tank return line. -
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 t l i t l i l f f ® ® - t I l l i... -
Page 23: Air Filter
AIR FILTER Level 1. Tools required: Cleaning brush 25 or 50 mm (1 or 2 in.) Parts required: 90008 REPOWER 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. Remove the air cleaner cover. -
Page 24: Spark Plug
SPARK PLUG Level 2. Tools Required: T-Wrench (combination socket wrench & screw driver) Feeler gauge, preferably a wire gauge. Soft Metal Brush. Parts Required: REPOWER Tune-Up Kit P/N 90074 Remove spark plug and check for fouling, worn and rounded center electrode. Clean the plug or replace with a new one. -
Page 25: Exhaust System
Remove spark plug lead. Remove two (2) muffler cover screws and muffler cover (A). Remove screw and arm rest (B). Remove engine cover (C). IMPORTANT DO NOT use a metal scraper to remove dirt from the cylinder fins. Use brush to remove dirt from the cylinder fins. Remove grass and leaves from the grid between the recoil starter and fuel tank. -
Page 26: Carburetor Adjustment
The cylinder exhaust port must be inspected and cleaned of excess carbon every 3 months or 90 hours of operation in order to maintain this engine within the emissions durability period. ECHO strongly recommends that you return your unit to your ECHO dealer for this important maintenance service. CARBURETOR ADJUSTMENT... -
Page 27: Gear Housing
Pull gear box and shield from drive shaft housing. Pull flexible cable from the drive shaft housing, wipe clean and recoat with a thin coating[15 ml (1/2 oz.)] of ECHO grease. Slide the flexible cable back in the drive housing. DO NOT get dirt on the flex cable. -
Page 28: Nylon Line Replacement
NYLON LINE REPLACEMENT Level 1. Parts Required: ECHO 0.095" Nylon Trimmer Line 6 m (20 ft.) long. Shut engine off. Lay unit on the ground with head assembly up. Hold drum (A) and firmly turn spool (B) CW (clockwise) until it disengages from the inner drive. -
Page 29: Sharpening Metal Blades
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. -
Page 30: Troubleshooting
ROUBLESHOOTING t l i t l i Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark near an open spark plug opening, otherwise serious personal injury may result. l f f t l i t l i t r i t r i... -
Page 31: Storage
TORAGE 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 mainte- nance which includes the following: Store unit in a dry, dust free place, out of the reach... -
Page 32: Servicing Information
• Sending a check or money order for $2.00 per Parts Catalog or $1.50 per Operator's Manual made payable to ECHO, INCORPORATED. State on a sheet of paper the model number and serial number of the ECHO unit you have, part number of the manual (if known), your name and address and mail to address below.
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