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TROUBLESHOOTING
CHART
CAUSE
CORRECTION
3.
Build-up
of grass,
leaves
and trash under mower.
4.
Dirty air filter.
5.
Low oil level/dirty
oil.
6.
Faulty spark plug.
PROBLEM
Loss of power
i (continued)
Excessive
vibration
Enginecontinues
to run when
operator
leaves
I seat with
attachment
clutch engaged
Poorcut-uneven
Mower blades will
not rotate
7. Dirty fuel 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.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
pad(s).
1. Faulty operator-safety
presence
control system.
.
2.
3.
4.
5.
Worn, bent or loose blade.
Mower deck not level.
Buildup
of grass, leaves,
and trash under mower.
Bent blade
mandrel.
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. 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.
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
pads.
.
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.
31
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