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ROUBLESHOOTING CHART
PROBLEM
Loss of power
(continued)
Excessive
vibration
Engine congnuea
to run when
operator leaves
seat with
attachment
clutch engaged
Poor cut - unsvel
Mower blades will
r_otrotate
CAUSE
3. Build-up of grass, leaves
and trash under mower.
4. Dirtyair filter.
5. Low oil level/dirty oil.
6. Faulty spark plug.
7. Dirtyfuel filter.
8. Stale or dirty fuel.
9. Water in fuel.
10.Spark plug wire loose.
11 .Dirty engine air screen/fins.
12. Dirty/clogged muffler.
13.Lcose or damaged wiring.
14.Carburetor out of
adjustment.
15.Engine valves out of
adjustment.
1. Wom, bent or loose blade,
I 2. Bent blade mandrel.
3. Loose/damaged part(s).
1. Faulty operator-safety
presence control system.
1. Wom, 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 gross,
leaves, and trash around
mandrels.
1. Obstruction in clutch
mechanism.
2. Worn/damaged mower
drive belt.
3. Frozen idler pulley.
4. Frozen blade mandrel.
CORRECTION
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, refill tank with
fresh gasoline and replace
fuel filter.
10.Connect and tighten spark
plug wire.
i
11. Clean engine air screen/
fins.
12.Clean/replace muffler.
13.Check all widng.
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.
1. Check widng, 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 ddve belt.
3.
Replace
idler pulley.
4.
Replace
blade mandrel.
31
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