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  5. Operator's Manual

Echo SRM-280 Operator's Manual

Manual is about: GRASS TRIMMER / BRUSH CUTTER

Summary of SRM-280

  • Page 1

    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. Operator’s manual x750231...

  • Page 2: Table of Contents

    2 x7502310207 © 5/2013 echo inc. Table of contents srm-280/s table of contents table of contents............................................................................................................................................... 2 introduction ................................................

  • Page 3: Introduction

    Srm-280/s introduction © 5/2013 echo inc. X7502310207 3 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 will find both easy to use and full of helpfu...

  • Page 4: Safety

    4 x7502310207 © 5/2013 echo inc. Safety srm-280/s additional or replacement manuals replacement operator, safety manuals, and parts catalogs are available from your echo dealer or at www.Echo-usa.Com or by contacting echo inc., 400 oakwood road, lake zurich, il 60047 (800-673-1558). Always check the...

  • Page 5

    Srm-280/s safety © 5/2013 echo inc. X7502310207 5 international symbols symbol description symbol description symbol description symbol description warning, see operator’s manual carburetor adjustment - high speed mixture do not allow flames or sparks near fuel ignition on / off wear eye, ear and he...

  • Page 6

    6 x7502310207 © 5/2013 echo inc. Safety srm-280/s personal condition and safety equipment users of this product risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. Proper clothing and safety gear must be worn when operating unit. Physical c...

  • Page 7

    Srm-280/s safety © 5/2013 echo inc. X7502310207 7 the ignition components of this machine generate an electromagnetic field during operation which may interfere with some pacemakers. To reduce the risk of serious or fatal injury, persons with pacemakers should consult with their physician and the pa...

  • Page 8

    8 x7502310207 © 5/2013 echo inc. Safety srm-280/s all over head electrical conductors and communications wires can have electricity flow with high voltages. This unit is not insulated against electrical current. Never touch wires directly or indirectly, otherwise serious injury or death may result. ...

  • Page 9

    Srm-280/s emission control (exhaust & evaporative) © 5/2013 echo inc. X7502310207 9 • check that handle and harness (if included) are adjusted for safe, comfortable operation. See assembly section for proper adjustment. Moving parts can amputate fingers or cause severe injuries. Keep hands, clothing...

  • Page 10: Description

    10 x7502310207 © 5/2013 echo inc. Description srm-280/s 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 inst...

  • Page 11

    Srm-280/s description © 5/2013 echo inc. X7502310207 11 1. Power head - includes the engine, clutch, fuel system, ignition system and recoil starter. 2. Throttle handle - for right hand - contains stop switch, throttle lockout, and throttle trigger. 3. Throttle trigger lockout - this lever must be h...

  • Page 12: Contents

    12 x7502310207 © 5/2013 echo inc. Contents srm-280/s 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 you...

  • Page 13: Assembly

    Srm-280/s assembly © 5/2013 echo inc. X7502310207 13 assembly plastic shield installation (nylon line operation) 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. Remove plastic threaded shaft sleeve...

  • Page 14

    14 x7502310207 © 5/2013 echo inc. Assembly srm-280/s 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. Remove nylon line head note: do not disassemble nyl...

  • Page 15: Operation

    Srm-280/s operation © 5/2013 echo inc. X7502310207 15 operation 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 rem...

  • Page 16

    16 x7502310207 © 5/2013 echo inc. Operation srm-280/s blade selection 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...

  • Page 17

    Srm-280/s operation © 5/2013 echo inc. X7502310207 17 fuel 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, ...

  • Page 18

    18 x7502310207 © 5/2013 echo inc. Operation srm-280/s 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 fue...

  • Page 19

    Srm-280/s operation © 5/2013 echo inc. X7502310207 19 2. Choke move choke lever (b) to cold start position ( ). 3. Purge bulb pump purge bulb (c) until fuel is visible and flows freely in the clear fuel tank return line. Pump bulb an additional 4 or 5 times. 4. Recoil starter lay the unit on a flat ...

  • Page 20

    20 x7502310207 © 5/2013 echo inc. Operation srm-280/s move stop switch button (a) forward away from the stop position. 2. Purge bulb pump purge bulb (c) until fuel is visible in the “clear” fuel return line. 3. Recoil starter lay the unit on a flat area and keep movable attachment parts clear of all...

  • Page 21: Maintenance

    Srm-280/s maintenance © 5/2013 echo inc. X7502310207 21 maintenance 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...

  • Page 22

    22 x7502310207 © 5/2013 echo inc. Maintenance srm-280/s * replacement is recommended based on the finding of damage or wear during inspection. Air filter level 1. 1. Close choke (cold start position [ ]). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush ac...

  • Page 23

    Srm-280/s maintenance © 5/2013 echo inc. X7502310207 23 note: federal epa regulations require all model year 2012 and later gasoline powered engines produced for sale in the united states to be equipped with a special low permeation fuel supply hose between the carburetor and fuel tank. When servici...

  • Page 24

    24 x7502310207 © 5/2013 echo inc. Maintenance srm-280/s 1. Remove spark plug lead. 2. Remove air cleaner cover. 3. Remove muffler cover (a). 4. Remove engine cover (b). Do not use a metal scraper to remove dirt from the cylinder fins. 5. Use brush to remove dirt from the cylinder fins. 6. Remove gra...

  • Page 25

    Srm-280/s maintenance © 5/2013 echo inc. X7502310207 25 exhaust port cleaning level 2. 1. Remove spark plug lead from spark plug, and remove muffler cover. 2. Place piston at top dead center. Remove muffler (a), heat shield (b), and eye plate (c). 3. Use a wood or plastic scraping tool to clean depo...

  • Page 26

    26 x7502310207 © 5/2013 echo inc. Maintenance srm-280/s note: every unit is run at the factory and the carburetor is set in compliance with emission regulations. Carburetor adjustments, other than idle speed, must be performed by an authorized echo dealer. 1. Check idle speed and reset if necessary....

  • Page 27

    Srm-280/s maintenance © 5/2013 echo inc. X7502310207 27 nylon line head disassembly instructions note: for normal use, speed feed © head disassembly is not necessary. However, if circumstances require disassembly, follow these instructions. 1. Press top of locking tabs (a) on both sides of speed fee...

  • Page 28

    28 x7502310207 © 5/2013 echo inc. Maintenance srm-280/s when the wear indicators located at the bottom of the speed-feed® head are worn smooth, or if holes appear, replacement of the cover or the entire speed-feed® head is required. Sharpening metal blades three styles of metal blades are approved f...

  • Page 29

    Srm-280/s maintenance © 5/2013 echo inc. X7502310207 29 3. After sharpening teeth, check each tooth radius for evidence of a square (sharp) corner. Use the round (rat tail) file to renew the radius..

  • Page 30: Troubleshooting

    30 x7502310207 © 5/2013 echo inc. Troubleshooting srm-280/s troubleshooting fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result. Engine problem troubleshoo...

  • Page 31: Storage

    Srm-280/s storage © 5/2013 echo inc. X7502310207 31 storage 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. L...

  • Page 32: Specifications

    32 x7502310207 © 5/2013 echo inc. Specifications srm-280/s specifications model srm-280 srm-280 s length 1802 mm (70.94 in.) width 246 mm (9.69 in.) height 349 mm (13.74 in.) weight (dry) w/o cutter head 5.57 kg (12.3 lb.) 5.50 kg (12.1 lb.) engine type air cooled, two-stroke, single cylinder gasoli...

  • Page 33: Warranty Statements

    Srm-280/s warranty statements © 5/2013 echo inc. X7502310207 33 warranty statements echo limited warranty statement for product sold in usa and canada beginning 01/01/2010 echo's responsibility echo incorporated’s limited warranty, provides to the original purchaser that this echo product is free fr...

  • Page 34

    34 x7502310207 © 5/2013 echo inc. Warranty statements srm-280/s purchased repair parts, short blocks and accessories &gj* * &^j* attention two-stroke engine power product owners this echo two-stroke engine power product is a quality-engineered unit which has been manufactured to exact tolerances to ...

  • Page 35: Notes

    Srm-280/s notes © 5/2013 echo inc. X7502310207 35 notes.

  • Page 36

    Echo, incorporated 400 o a kwood ro a d l a ke z u rich, il 60047 www.Echo-u s a.Com 36 s66511010857/s66511999999 s74012015298/s74012999999 (s) s66611008254/s66611999999 (s) s74112010414/s74112999999.