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TROUBLESHOOTING
PROBLEM CAUSE
Doesnotstart 1, Dirtyairfilter.
Loss of power
Excessive
Vibration
Starter rope hare
topull
Loss of head
drive
Hard to push
Poor trimming
j performance
Trimmer head
does not
retain line
2. Out of fuel.
3. Stale fuel.
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 airfilter.
2. Buildupof grass, leaves,
and trash under trimmer.
3. Too much oil in engine,
4. Walking speed toofast.
1. Lines uneven or broken.
2. Loose nuts or bolts.
3. Damaged trimmer head.
1. Bent engine crankshaft.
1. Belt notdriving.
1. Handle height position not
rightforyou.
1. Trimmer line length is
too short.
2. Throttle control lever not
in correct position
(if equipped).
1. Trimmer line not
propedy installed.
2. Broken line retainer clip.
3. Incorrect size of
trimmer line.
CORRECTION
1. Clean/replace air filter.
2. Fill fuel tank.
3. Drain tank and refillwith
_esh clean fuel.
4. Drain fuel tank and
carburetor and refill tank
with fresh gasoline.
5. Connect wire to 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.
1. Check trimmer lines.
2, Check all hardware,
including engine bolts.
3. Check/repair tdmmer head.
1. Contact a Sears or other
qualified service center.
1. Put belt on pulleysor
replace belt if broken,
1. Adjust handle height
to suit.
1. If line is worn or broken to
half original length,
replace line.
2. Move throttle leverto FAST
position.
1. Follow instructionsin
Maintenance section.
2. Replace stringcarder plate
assembly.
3. Use ,155 diameter
trimmer line.
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