TROUBLESHOOTING CHART
PROBLEM
Loss of power continued)
Excessive vibration
Engine continues to run when
operator leaves seat with
attachment
;lutch 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,
10.Spark plug wire loose.
11.Dirty engine air screen/fins.
12.Dirty/clogged mufflen
13,Loose or damaged widng. 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
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
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/raplace muffler. 13.Check all widng.
14.See "ToAdjust 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.
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. |
Mower blades will 1. | Obstruction in clutch |
not rotate | mechanism. |
2. | Worn/damaged mower |
| drive belt. |
3. | Frozen idler pulley. |
4. | Frozen blade mandrel. |
| 31 |
1. Remove obstruction. |
2.Replace mower drive belt.
3.Replace idler pulley.
4.Replace blade mandrel.