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33
TROUBLESHOOTING CHART:
See ap pro pri ate section in manual un less di rect ed 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 cold weather starting
position (
).
2 Move throttle control to fast
position ( ).
3 Build-up of grass, leaves and
trash under mower.
3 Clean underside of 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 & regap or change spark plug.
7 Dirty fuel filter. 7 Replace fuel filter.
8 Stale or dirty fuel. 8 Empty fuel tank and refill tank with
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 Engine valves out of adjustment. 14 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.
3 Loose/damaged part(s). 3 Tighten loose part(s).
Replace damaged parts.
Engine continues to
run when operator
leaves seat with
attachment clutch
engaged
1 Faulty operator-safety presence
control system.
1 Check wiring, switches and
connections. If not corrected,
contact a Sears or other qualified
service center.
CAUTION: DO NOT
operate machine until
problem is corrected.
Poor cut - uneven
cutting
1 Worn, bent or loose blade. 1 Replace blade. Tighten blade bolt.
2 Mower deck not level. 2 Level mower deck.
3 Buildup of grass, leaves, and
trash under mower.
3 Clean underside of mower
housing.
4 Bent blade mandrel. 4 Contact a Sears or other
qualified service center.
5 Clogged mower deck vent from
build-up of grass, leaves, and
trash around mandrels.
5 Clean around mandrels to
open vent holes.
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