TROUBLESHOOTING
PROBLEM
Loss of power (continued)
Excessive vibration
Engine continues to run when
operator leaves seat with attachment
clutch engaged
CHART
CAUSE
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 operator-safety presence control system.
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 qualified service center.
1.Replace blade. Tighten blade bolt.
2.Replace blade mandrel.
3.Tighten loose part(s). Replace damaged parts.
. Check wiring, switches and connections. If not corrected,
contact a qualified service center,
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.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 | 1. | Remove | obstruction. | ||
not rotate | mechanism. |
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2. | Worn/damaged | mower | 2. | Replace | mower drive belt. | |||
| drive belt. |
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3. | Frozen | idler | pulley, | 3. | Replace | idler | pulley. | |
4. | Frozen | blade | mandrel. | 4. | Replace | blade | mandrel. | |
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