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TROUBLESHOOTING - See appropriate section in manual unless directed
to a Sears Parts & Repair Center.
PROBLEM CAUSE CORRECTION
Does not start
Loss of power
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.
1. Dirty air filter.
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 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.
3. Damaged trimmer head.
1. Bent engine crankshaft.
1. Belt not driving.
1. Handle height position not
right for you.
1. Trimmer line length is
too short.
2. Throttle control lever not
in correct position
(if equipped).
1. Trimmer line not
properly installed.
2. Broken line retainer clip.
3. Incorrect size of
trimmer line.
Excessive 1. Check trimmer lines.
Vibration 2. Check all hardware,
including engine bolts.
3. Check/repair trimmer head.
Starter rope 1. Contact a Sears or other
hard to pull qualified service center.
Loss of head 1. Put belt on pulleys or
drive replace belt if broken.
Hard to push 1. Adjust handle height
to suit.
Poor trimming
performance
Trimmer head
does not
retain line
1. If line is worn or broken to
half of original length,
replace line.
2. Move throttle lever to FAST
position.
1. Follow instructions in
Maintenance section.
2. Replace string carrier plate
assembly.
3. Use .155 diameter
trimmer line.
16
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