TROUBLESHOOTING CHART
PROBLEM
Lossofpower (continued)
Excessive vib_tion
EngineconUnues to run when operator leaves seatwith attachment
clutch engaged
CAUSE
3.
4.Dirty air filter.
5.Low oil level/dirty oil.
6.Faulty spark plug.
7.Dirty fuel filter.
8.Stale or dirtyfuel.
9.Water in fuel.
i1O.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 part(s).
1.Faulty
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.
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 parts.
1.Check wiring, switches and connections. If not corrected, contact a Sears or other qualified service center.
Poor cut- uneven
Mower blades will not rotate
1.Worn, 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
1.Obstruction in clutch mechanism.
2.Worn/damaged mower drive belt.
3.Frozen idler pulley.
4.Frozen blade mandrel.
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.
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