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manual abstract
DO NOT over fill. Drive Shaft 1. Loosen two (2) screws (B) and remove center locating screw (C). Pull gear box and shield from drive shaft. 2. Pull flexible cable from the drive shaft housing, wipe clean and recoat with a thin coating [1/2 oz. (15 ml)] of grease. 3. Slide the flexible cable back in the drive housing. DO NOT get dirt on the flex shaft. 4. Install the gear housing and shield assembly. A C B GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL NYLON LINE REPLACEMENT Level1. Parts Required: ECHO 0.095" Nylon Trimmer Line 6 m (20 ft.) long. 1. Shut engine off. Lay unit on the ground with head assembly up. 2. Hold drum (A) and turn spool (B) CW (clockwise) until it stops. Pull spool from drum. DO NOT push in on spool when turning. 3. Use one piece of new nylon line (C) 6 m (20 ft.) long and thread through the molded loop (D) on the spool. Pull line tight and adjust so one end is 15 cm (6 in.) longer than the other. 4. Hold the spool, opening toward you. Place index finger between the two strands and wind line, tightly and evenly, in direction of arrow (E) marked "CC". 5. Stop when approximately 15-20 cm (6-8 in.) line (C) remains and place ends of line in notches (F) in spool (B). 6. Feed ends of line through housing eyelets (G) and place spool (B) over drive (H). Align pegs (I) on drive with notches in spool, and push spool into drum. 7. Pull on both lines until they come free from notches (F) in spool. B A A B C D CC E IG G FF B B H 28 28 . Hold drum (A) firmly and turn spool (B) CCW (counterclockwise) until it stops. DO NOT push in on spool when turning. 9. Pull both lines out and trim to cut-off knife length. B A 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. Before sharpening, CLOSELY inspect blade for cracks (look at the bottom of each tooth and the center mounting hole closely), missing teeth and bending. If ANY of these problems are discovered, replace the blade. When sharpening a blade, always remove the same amount of materials from each tooth to maintain balance. A blade that is not balanced will cause unsafe handling due to vibration and can result in blade failure. Tool required: Flat file (preferred). Electric grinder if special care is used. Round (rat tail) file for gullet (radius). 1. File each tooth at a 30 degree angle a specific number of times, eg. 4 strokes per tooth. Work your way around the blade until all teeth are sharp. 2. DO NOT file the 'gullet' (radius) of the tooth with the flat file. The radius must remain. A sharp corner will lead to a crack and blade failure. IMPORTANT If an electric grinder is used, use care not to overheat teeth, do not allow tips/tooth to glow red or turn blue. DO NOT place blade in cooling water. This will change the temper of the blade and could result in blade failure. 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. GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL TROUBLESHOOTING ENGINE PROBLEM TROUBLESHOOTING CHART Problem Check Status Cause Remedy Engine -cranks starts hard/ doesn't start at carburetorFuel atNo fuel carburetor strainer cloggedFuel Fuel line clogged Carburetor or replaceClean or replaceClean See your Echo dealer cylinderatFuel at cylinderNo fuel Carburetor See your Echo dealer with fuelMuffler wet Fuel Mixture too rich chokeOpen Clean/replace air filter carburetorAdjust See your Echo dealer Spark at end of plug wire No spark offStop switch Electrical problem Interlock switch switch to ONTurn See your Echo dealer See your Echo dealer Spark at plug No spark Spark gap incorrect carbonCovered with Fouled with fuel Plug defective .65mm (0.026 in.)Adjust to or replaceClean or replaceClean Replace plug Engine runs, but dies or does not accelerate properly Air filter Air filter dirty wearNormal or replaceClean Fuel filter Fuel filter dirty Contaminants/residues fuelin Replace ventFuel vent pluggedFuel Contaminants/residues fuelin or replaceClean Spark Plug Plug dirty/worn wearNormal and adjust or replaceClean Carburetor Improper adjustment Vibration Adjust Cooling System Excessive dirt/debris inExtended operation dirty/dusty locations Clean Spark Arrestor Screen cracked,Screen orplugged, perforated wearNormal Replace Engine does not crank N/A N/A engine problemInternal See your Echo dealer WARNING DANGER 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. 30 30 E WARNING DANGER 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, other...