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"ROUBLESHOOTING CHART
CORRECTION
PROBLEM
Loss of power
continued)
Excessive
vibration
Englnecontinues
to run when
operator leaves
seat with
attachment
clutch engaged
Poorcut-uneven
Mower blades will
not rotate
i CAUSE
3. Build-up of grass, leaves
and trash under mower.
4. Dirty air filter.
i 5. Low oil level/dirty oil.
6. Faulty spark plug.
7. Dirty fuel filter.
8. Stale or dirtyfuel.
9. Water in fuel.
10.Spark plugwire loose.
11.Dirtyengine air screen/fins.
12.Dirty/cloggedmuffler.
13.Loose or damaged widng.
14.Carburetorout of
adjustment.
15.Enginevalves outof
adjustment.
1. Worn,bent or looseblade.
2. Bent blade mandrel.
3. Loose/damagedpart(s).
1. Faultyoperator-safety
presencecontrolsystem.
1. Worn, bent or loose blade.
2. Mower deck not level.
3. Buildup of grass, leaves,
and trash under mower.
4. Bent blade mandrel.
5. Clogged mower deck vent
from build-up of grass,
leaves, and trash around
mandrels.
1. Obstruction in clutch
mechanism.
2. Worn/damaged mower
drive belt.
3. Frozen idler pulley.
4. Frozen blade mandrel.
3. Clean underside of mower
housing.
4. Cleanireplece air filter.
5. Check oil level/change oil.
6. Clean and regap or change
spark plug.
7. Replace fuel filter.
8. Drain fuel tank and refill
with fresh gasoline.
9. Drain fuel tank and
carburetor, refill tank with
fresh gasoline and replace
fuel filter.
10.Connect and tighten spark
plug wire.
11.Clean engine air screen/
fins.
12.Clean/replace muffler.
13.Check all wiring.
14.See =ToAdjust Carburetor"
in Service Adjustments
section.
15.Contect a Sears or other
qualified service center.
1. Replace blade.
Tightenblade bolt.
2. Replace blade mandrel.
3. Tightenloosepart(s).
Replace damagedparts.
1. Check wiring, switches and
connections. If not corrected
contact a Sears or other
qualified service center.
1, Replace blade. Tighten
blade bolt.
2. Level mower deck.
3. Clean underside of mower
housing.
4. Replace blade mandrel.
5. Clean around mandrels to
open vent holes.
1. Remove obstruction.
2. Replace mower drive belt.
3. Replace idler pulley.
4. Replace blade mandrel.
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