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TROUBLESHOOTING - See appropriate section in manual unless directed
to a Sears Servlce Center.
PROBLEM CAUSE
Does not start I. Dirty air filter.
Loss of power
Excessive
Vibration
Starter rope hard
topull
Loss of head
drive
Hard to push
Poor trimming
performance
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 shod.
2. Throttle control lever not
in correct position
(if equipped),
Trimmer head
does not
retain line
1. Trimmer line not
properly 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 refill with
fresh 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 trimmer head.
1. Contact a Sears or other
qualified service center.
1. Put belt on pulleys or
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 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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