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TROUBLESHOOTING - See appropriate section in manual unless directed
PROBLEM
Does not start
to a qualified service center.
CAUSE
1. Dirty air filter.
2. Out of fuel.
3. Stale fuel.
Loss of power
Excessive
Vibration
4. Water in fuel.
5. Spark plug wire is
disconnected.
6. Bad spark plug.
7. Throttle control lever not
in correct position
(if equipped).
1. Dirty air filter.
2. Buildup of grass, leaves,
and trash under trimmer.
3. Too much oil in engine.
4. Walking speed too fast.
1. Lines uneven or broken.
2. Loose nuts or bolts.
CORRECTION
1. Clean/replace air filter.
2. Fill fuel tank.
3. Empty fuel tank and refill
with fresh, clean gasoline.
4. Empty fuel tank and refill
with fresh, clean gasoline.
5. Connect wire to spark plug.
6. Replace spark plug.
7. Move throttle lever to FAST
position.
1. Clean/replace air filter.
2. Clean underside of trimmer
and trimmer head.
3. Check oil level.
4. Trim at slower walking
speed.
,
2.
3. Damaged trimmer head. 3.
Starter rope 1. Bent engine crankshaft. 1. Contact a qualified
hard to pull service center.
Loss of 1. Belt not driving. 1. Put belt on pulleys or
head drive replace belt if broken.
Hard to push 1. Handle height position not 1. Adjust handle height
right for you. to suit.
1.
1. Trimmer line length is
too short.
2. Throttle control lever not
in correct position
(if equipped).
Poor trimming
performance
Trimmer head
does not
retain line
,
2.
3.
Trimmer line not
properly installed.
Broken line retainer clip.
Incorrect size of
trimmer line.
Check trimmer lines.
Check all hardware,
including engine bolts.
Check/repair trimmer head.
,
If line is worn or broken to
half of original length,
replace line.
Move throttle lever to FAST
position.
1. Follow instructions in
Maintenance section.
2. Replace string carrier plate
assembly.
3. Use correct diameter
trimmer line.
17
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