TROUBLESHOOTING CHART
PROBLEM
Lossofpower
Excessive vibration
Engine continues to run
when operator leaves seat with with attachment
clutch engaged
CAUSE
1.Cutting too much grass/too fast.
2.Throttle in "CHOKE" position.
3.
4.Dirty air filter.
5.Low oil level/dirty oil.
6.Faulty spark plug.
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 part(s).
1.Faulty
CORRECTION
1.Set in "Higher Cut" position/ reduce speed.
2.Adjust throttle control.
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 carbure- tor, 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
contact a Sears or other qualified service center.
Poor cut - uneven 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 holes from buildup of
grass, leaves, and trash around mandrels.
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.
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