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TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center.
PROBLEM CAUSE CORRECTION
Loss of power 1 Cutting too much grass/too fast. 1 Raise cutting height/reduce speed
2 Throttle in "CHOKE" position. 2 Adjust throttle control.
3 Build-up of grass, leaves and 3 Clean underside of mower
trash under mower, housing.
4 Dirty air filter. 4 Clean/replace air filter.
5 Low oil level/dirty oil. 5 Check oil level/change oil.
6 Faulty spark plug. 6 Clean®aporchangesparkplug
7 Dirty fuel filter. 7 Replace fuel filter.
8 Stale or dirty fuel. 8 Empty fuel tank and refill tank wig-
fresh, clean gasoline.
9 Water in fuel. 9 Empty fuel tank and carburetor,
refill tank with fresh gasoline and
replace fuel filter.
10 Spark plug wire loose. 10 Connect & tighten spark plug wire
11 Dirty engine air screen/fins. 11 Clean engine air screen/fins.
12 Dirty/clogged muffler. 12 Clean/replace muffler.
13 Loose or damaged wiring. 13 Check all wiring.
14 Carburetor out of adjustment. 14
15 Engine valves out of adjustment. 15
See "To Adjust Carburetor" in
Service and Adjustments section.
Contact a Sears or other qualified
service center
Excessive vibration 1 Worn, bent or loose blade. 1 Replace blade. Tighten blade bolt
2 Bent blade mandrel.
2 Contact a Sears or other qualified
service center
Engine continues to
run when operator
leaves seat with atta-
chment clutch engaged
3 Loose/damaged part(s).
1 Faulty operator-safety presence
control system.
3 Tighten loose part(s).
Replace damaged parts.
1 Check wiring, switches and
connections. If not corrected,
contact a Sears or other
Poor cut - uneven
cutting
1 Worn, bent or loose blade.
2 Mower deck not level.
1 Replace blade. Tighten blade bolt
2 Level mower deck.
3
4
5
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.
3 Clean underside of mower
housing.
4 Contact a Sears or other
qualified service center.
5 Clean around mandrels to
open vent holes.
29
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