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...
2 x7502310908 © 03/2014 echo inc. Srm-280u table of contents table of contents table of contents............................................................................................................................................... 2 introduction ................................................
X7502310908 3 © 03/2014 echo inc. Srm-280u introduction 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...
4 x7502310908 © 03/2014 echo inc. Srm-280u safety 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...
X7502310908 5 © 03/2014 echo inc. Srm-280u safety 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...
6 x7502310908 © 03/2014 echo inc. Srm-280u safety 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...
X7502310908 7 © 03/2014 echo inc. Srm-280u safety 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...
8 x7502310908 © 03/2014 echo inc. Srm-280u safety 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. ...
X7502310908 9 © 03/2014 echo inc. Srm-280u emission control (exhaust & evaporative) 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 co...
10 x7502310908 © 03/2014 echo inc. Srm-280u description 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...
X7502310908 11 © 03/2014 echo inc. Srm-280u description 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 ...
12 x7502310908 © 03/2014 echo inc. Srm-280u contents 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...
X7502310908 13 © 03/2014 echo inc. Srm-280u assembly 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. Align hole in upper plate (a) with n...
14 x7502310908 © 03/2014 echo inc. Srm-280u assembly 3. Thread line head (j) onto pto shaft by turning it counter-clockwise until head is tight against upper plate (a). 4. Remove locking tool (g). Semi-automatic nylon line heads must be used only with plastic debris shield with cut-off knife. Using ...
X7502310908 15 © 03/2014 echo inc. Srm-280u assembly a. Align locking hole in upper plate with notch in edge of gear housing and insert head locking tool (g). B. Remove line head (j) by turning it clockwise until head is completely off of shaft. C. Remove locking tool (g). D. Remove three screws hol...
16 x7502310908 © 03/2014 echo inc. Srm-280u assembly 4. Insert cotter pin (c) in hole in pto shaft, and bend pin legs around shaft counterclockwise to retain 10 mm nut. Never reuse a cotter pin - install a new cotter pin each time a blade is installed or replaced. 5. Remove locking tool (g). U-handl...
X7502310908 17 © 03/2014 echo inc. Srm-280u assembly 5. Connect 2 ignition stop leads (c,d) from throttle cable tubing to 2 ignition leads (c,d) on engine. 6. Gather ignition wires and position behind air filter case. 7. Install air filter and cover. Balance and adjust unit 1. Loosen harness clamp s...
18 x7502310908 © 03/2014 echo inc. Srm-280u operation 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...
X7502310908 19 © 03/2014 echo inc. Srm-280u operation 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...
20 x7502310908 © 03/2014 echo inc. Srm-280u operation note: in case of emergency, pull up on the quick release collar to disconnect the trimmer from the harness. 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...
X7502310908 21 © 03/2014 echo inc. Srm-280u operation • inspect for fuel leakage. If fuel leakage is found, do not start or operate unit until leakage is repaired. • move at least 3m (10 ft.) from refueling location before starting the engine. Mixing instructions 1. Fill an approved fuel container w...
22 x7502310908 © 03/2014 echo inc. Srm-280u operation starting cold engine the attachment will operate immediately when the engine starts, and could result in possible serious injury. Keep movable parts of the attachment away from objects that could become entangled or thrown, and surfaces that coul...
X7502310908 23 © 03/2014 echo inc. Srm-280u operation 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. Note: if ...
24 x7502310908 © 03/2014 echo inc. Srm-280u maintenance 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...
X7502310908 25 © 03/2014 echo inc. Srm-280u maintenance * 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...
26 x7502310908 © 03/2014 echo inc. Srm-280u maintenance 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...
X7502310908 27 © 03/2014 echo inc. Srm-280u maintenance 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...
28 x7502310908 © 03/2014 echo inc. Srm-280u maintenance 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...
X7502310908 29 © 03/2014 echo inc. Srm-280u maintenance 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....
30 x7502310908 © 03/2014 echo inc. Srm-280u maintenance 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 feed...
X7502310908 31 © 03/2014 echo inc. Srm-280u maintenance 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...
32 x7502310908 © 03/2014 echo inc. Srm-280u maintenance 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..
X7502310908 33 © 03/2014 echo inc. Srm-280u troubleshooting 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...
34 x7502310908 © 03/2014 echo inc. Srm-280u storage 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...
X7502310908 35 © 03/2014 echo inc. Srm-280u specifications specifications this spark ignition system complies with the canadian standard ices-002. Model srm-280u length 1805 mm (71.1 in.) width 700 mm (27.5 in.) height 515 mm (20.3 in.) weight (dry) w/cutter head 6.38 kg (14.1lb.) engine type air co...
36 x7502310908 © 03/2014 echo inc. Srm-280u warranty statements 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...
X7502310908 37 © 03/2014 echo inc. Srm-280u warranty statements 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 p...
38 x7502310908 © 03/2014 echo inc. Srm-280u notes notes.
X7502310908 39 © 03/2014 echo inc. Srm-280u notes.
Echo, incorporated 400 oakwood road lake zurich, il 60047 www.Echo-usa.Com 40 s82513007613/s82513999999.