TROUBLESHOOTING CHART
PROBLEMCAUSE
Loss of power • Cutting too much grass/too
fast.
•Throttle in =CHOKE" position.
•
•Dirty air filter.
•Low oil level/dirty oil.
•Faulty spark plug.
CORRECTION
• | Set in "Higher | Cut" position/ | ||
| reduce | speed. |
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• | Adjust | throttle | control. | |
• | Clean | underside | of mower | |
| housing. |
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• | Clean/replace | air | filter. | |
• | Check | oil level/change oil. | ||
• | Clean | and regap | or change | |
| spark | plug. |
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Excessive vibration
Engine continues to run when
operator leaves seat with attachment
clutch engaged
Poor cut - uneven
•Dirty fuel filter.
•Stale or dirty fuel.
•Water in fuel.
•Spark plug wire loose.
•Dirty engine air screen/fins.
•Dirty/clogged muffler.
•Loose or damaged wiring.
•Carburetor out of adjustment.
•Engine valves out of adjustment.
•Worn, bent or loose blade.
•Bent blade mandrel.
= Loose/damaged part(s).
•Faulty operator-safety presence control system.
•Worn, bent or loose blade.
•Mower deck not level.
•Buildup of grass, leaves, and trash under mower.
•Bent blade mandrel.
•Clogged mower deck vent from
• | Replace | fuel filter. |
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• | Drain |
| fuel tank |
| and | refill with | |
| fresh | gasoline. |
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• | Drain |
| fuel tank and carbure- | ||||
| tor, refill tank with fresh | ||||||
| gasoline | and replace fuel | |||||
| filter. |
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• | Connect and tighten spark | ||||||
| plug | wire. |
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• | Clean | engine air screen/ | |||||
| fins. |
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• | Clean/replace | muffler. | |||||
• | Check | all wiring. |
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• | See | "To Adjust Carburetor" | |||||
| in Service Adjustments | ||||||
| section. |
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• | Contact | an authorized | |||||
| service | center/department. | |||||
• | Replace | blade. |
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| Tighten | blade | bolt. |
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• | Replace | blade | mandrel. | ||||
• | Tighten loose part(s). | ||||||
| Replace | damaged | parts. | ||||
| Check | wiring, | switches and | ||||
| connections. | If not | corrected, | ||||
| contact | an authorized | |||||
| service | center/department. | |||||
• | Replace | blade. | Tighten | ||||
| blade | bolt. |
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• | Level | mower | deck. |
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• Clean underside of mower | |||||||
| housing. |
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°Replace blade mandrel.
•Clean around mandrels to open vent holes.
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