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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
12/09
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2 Introduct Ion 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. hte ort opera 's manual Read and understand this manual before operation. Keep it in a safe place for future reference. Contains specifications and information for operation, sta
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Grass Trimrem /Brush Cu TTer 3 Opera T Or 's m analu s tyefa launam afeyst symbols and I atn topmr I t mrofna Ino 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. CIRCLE AND SLASh SyMbOL DANGER This symbol means the specific action The safety alert symbol accompanied by the word shown is prohibited.
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4 Physical Condition Your judgment and physical dexterity may not be good: • if you are tired or sick, • if you are taking medication, • if you have taken alcohol or drugs. Operate unit only if you are physically and mentally well. Eye Protection Wear eye protection that meets ANSI Z87.1 or CE requirements whenever you operate the unit. Hand Protection Wear no-slip, heavy-duty work gloves to improve your grip on the handle. Gloves also reduce
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Grass Trimmer /Brhsu Cu TTer 5 Opera T Or 's m 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). An extreme RSI condition is Carpal Tunnel Syndrome (CTS), which could occur when your wrist swells and squeezes a vital nerv
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6 equ Ipment WARNING 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. • Check unit for loose/missing nuts, bolts, and screws. Tighten and/or replace as needed.
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Grass Trimrem /Brush Cu TTre 7 Opera T Or 's m lanua d escr Itp Ion 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. Hot Decal (near muffler) 15 14 P/N X505002310 22 16 21 17 12 20 18 19 13 6 3 4 5 2 7 1 8 9 11 10 Shaft Decal Metal Debris Shield Decal P/N X505002500 P/N 890
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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. STOP SWITCh - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD to RUN, BACK to STOP. 4. ThROTTLE TRIGGER - Controls engine speed. Spring loaded to return to idle when released. During accelera-
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Grass Trimmer /Brush Cu TTer 9 Oerap T Or 's m aualn c ontsnte 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. ___ 1- Power Head / Drive Shaft Assembly ___ 1- Plastic Bag (co-pack) __ - 1, Operator'
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10 a y ssembl ptasl Ic sh Ield I t alla nst Ion (Nylon line operation) Tools Required: Torx T27 L-Wrench, Locking Tool B 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 A Metal Shield when using plastic or metal blades, or serious injury F may result. E D C 1. Align hole in upper plate (A) with notch in gear housing (B), and insert locking tool to prevent splined shaft from
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Grass Trimmer /Bhusr Cu TTer 11 Oprae T Or 's m anual o t ance adv tr Immer l Ine 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 l Ine head G NOTE Do not disassemble nylon line head. 1. Align locking hole in upper plate with notch in edge of gear hous- ing and insert head locking tool (G). 2. Remove line head (J) by turning it clockwise until head is com- J
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12 d. Remove three screws holding shield plate and plastic shield (F) to gear housing. B 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. Arrow on gear housing flange points to notch location. A F 3. Remove split pin (C), L.H. blade nut (D), lower plate (E), and E D C upper plate (
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Grass Trimmer /Brush Cu TTer 13 Opera T Or 's m analu u -handle I t laal stn Ion Tools Required: 17 & 19 mm wrench, Torx T27 L-Wrench, 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 A tighten bolt securely until final adjustments are completed. B 2. Loosen upper (2) U-handle clamp screws (B), and position U- handle as shown. 3. Ligh
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14 5. Secure ignition leads against engine housing with clips (H,I). 6. Install air filter and cover. H I H cnalabe nad adjust un It 1. Loosen harness clamp screw. 2. Put on harness and attach unit to harness. 3. Slide harness clamp up (A) or down until unit balances with head approximately 50-75 mm (2 -3 in.) from the ground. 4. Tighten harness clamp screw. B 5. Loosen upper U-Handle clamp screws (B), and position U-Handle for comfortable operation. 6. Tighten U-Handle clamp screws and 8 mm c
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Grass Trimrem /Brush Cu TTer 15 Opera T Or 's m anula o t erap Ion 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. WARNING Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can cause unconscious- nes
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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. 80 Tooth brush blade (P/N 69500120331) is designed for cutting brush and woody growth up to 13 mm (1/2 in.) diameter. 22 Tooth Clearing blade (99944200130) is desig
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Grass Trimrem /Brush Cu TTer 17 Opera T Or 's m aauln fuel NOTICE: Use of unmixed, improperly mixed, or fuel older than 90 days, (stale fuel), may cause hard starting, poor performance, or severe engine damage and void the product warranty. Read and follow instructions in the Storage section of this manual. 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 o
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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. Some states may require the use of automatic fuel shut-off containers to reduce fuel spillage. After use • DO NOT store a unit with fuel in its tank.
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Grass Trimrem /Brush Cu TTer 19 Opera T Or 's m aauln art st Ing cold egn Ine 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. A 1. Stop Switch Move stop switch button (A) forward away from the STOP posi- tion. 2. Choke Move choke lever (B) to Cold Start Position ( ). 3. Purge Bulb
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20 rta st Ing arm w eng Ine The starting procedure is the same as Cold Start except DO NOT close the choke, and do not hold throttle trigger fully depressed. WARNING The attachment should not move at idle, otherwise serious personal injury may result. NOTE A 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. 2. Purge Bulb
