PROBLEM POSSIBLE CAUSE SOLUTION
Engine starts, runs,
and accelerates but
will not idle.
Idle speed screw on carburetor
requires adjustment
Contact servicing dealer if the problem persists.
Line will not advance. 1. Line welded to itself. 1. Lubricate with silicone spray.
2. Not enough line on spool.
2. Install more line. Refer to “Line Replacement” earlier
in this manual.
3. Line worn too short.
3. Pull lines while alternately pressing down on and
releasing bump head.
4. Line tangled on spool.
4. Remove line from spool and rewind. Refer to “Line
Replacement” earlier in this manual.
5. Engine speed too slow. 5. Advance line at full throttle.
Grass wraps round
shaft
housing and bump
head.
1. Cutting tall grass at ground
level.
1. Cut tall grass from the top down.
2. Operating trimmer at partial
throttle.
2. Operate trimmer at full throttle.
Bump knob hard to
turn.
Screws threads dirty or
damaged.
Clean threads and lubricate with grease. If there is no
improvement, replace the bump knob.
Oil drips from silencer.
1. Operating trimmer at partial
throttle.
1. Operate trimmer at full throttle.
2. Oil / fuel mixture is incorrect.
2. Use fresh fuel and the correct synthetic 2-stroke oil
mix.
3. Air lter is dirty. 3. Clean per instruction in "Maintenance" section.
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