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TROUBLESHOOTING CHART
PROBLEM
Lossofpower
(continued)
Excessive
vib_tion
CAUSE CORRECTION
3. Build-upof grass, leaves
and trash under mower.
4. Dirty air filter.
5. Low oil level/dirty oil.
6. Faulty spark plug.
7. Dirty fuel filter.
8. Stale or dirtyfuel.
9. Water in fuel.
i 1O.Spark plug wire loose.
11. Dirty engine air screen/fins.
12. Dirty/clogged muffler.
13.Loose or damaged wiring.
14. Carburetor out of
adjustment.
15.Engine valves out of
adjustment.
1. Worn, bent or loose blade.
2. Bent blade mandrel.
3. Loose/damaged part(s).
3. Clean underside of mower
housing.
4. Clean/replace 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, refilltank 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 "To Adjust Carburetor"
in Service Adjustments
section.
15.Contact a Sears or other
qualified service center.
1. Replace blade.
Tighten blade bolt.
2. Replace blade mandrel.
3. Tighten loose part(s).
Replace damaged parts.
EngineconUnues 1. Faulty operator-safety 1. Check wiring, switches and
to run when presence control system, connections. If not corrected,
operator leaves contact a Sears or other
seatwith qualified service center.
attachment
clutch engaged
Poor cut- uneven 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 ofgrass,
heaves, and trash around
mandrels.
Mower blades will
not rotate
1. Obstructionin clutch
mechanism.
2. Worn/damaged mower
drive belt.
3. Frozen idler pulley.
4. Frozen blade mandrel.
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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