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TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
Loss of power
CAUSE
1 Cutting too much grass/too fast.
2 Throttle in "CHOKE" position.
3 Build-up of grass, leaves and
CORRECTION
1 Raise cutting height/reducespeed.
2 Adjust throttle control.
3 Clean underside of mower
trash under mower.
4 Dirty air filter.
5 Low oil level/dirty oil.
6 Faulty spark plug.
7 Dirty fuel filter.
8 Stale or dirty fuel.
Water in fuel.
10 Spark plug wire loose.
housing.
4 Clean/replace air filter.
5 Check oil level/change oil.
6 Clean/regap or change spark plug.
7 Replace fuel filter.
8 Empty fuel tank and refill tank
with fresh, clean gasoline.
9 Empty fuel tank and carburetor,
refill tank with fresh gasoline and
replace fuel filter.
10 Connect/tighten spark plug wire.
11
12
13
14
Dirty engine air screen/fins.
Dirty/clogged muffler.
Loose or damaged wiring.
Carburetor out of adjustment.
15 Engine valves out of adjustment.
Excessive vibration
1 Worn, bent or loose blade.
2 Bent blade mandrel.
3 Loose/damaged part(s).
Engine continuesto run
when operator leaves
seat with attachment
clutch engaged
Faulty operator-safety presence
control system.
Poor cut = uneven
cutting
1 Worn, bent or loose blade.
2 Mower deck not level.
3 Buildup of grass, leaves, and
trash under mower.
4 Bent blade mandrel.
Mower blades will
not rotate
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.
30
11 Clean engine air screen/fins.
12 Clean/replace muffler.
13 Check all wiring.
14 See "To Adjust Carburetor" in
Service and Adjustments section.
15
1
Contact a Sears or other qualified
service center.
Replace blade. Tighten blade bolt.
2 Contact a Sears or other qualified
service center.
3 Tighten loose part(s). Replace
damaged parts.
Check wiring, switches and
connections. If not corrected,
contact a Sears or other service
center.
m
1 Replace blade. Tighten blade bolt.
2 Level mower deck.
3 Clean underside of mower
housing.
4
Contact a Sears or other qualified
service center.
5 Clean around mandrels to
open vent holes.
1 Remove obstruction.
2 Replace mower drive belt.
3 Replace idler pulley.
4 Contact a Sears or other qualified
service center.
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