TROUBLESHOOTING CHART
| PROBLEM | CAUSE | CORRECTION | ||
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| Loss of power | 1. | Cutting too much grass/too | 1. | Set in “Higher Cut” position/ |
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| fast. |
| reduce speed. |
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| 2. | Throttle in “CHOKE” | 2. | Adjust throttle control. |
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| position. |
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| 3. | 3. | Clean underside of mower | |
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| and trash under mower. |
| housing. |
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| 4. | Dirty air filter. | 4. | Clean/replace air filter. |
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| 5. | Low oil level/dirty oil. | 5. | Check oil level/change oil. |
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| 6. | Faulty spark plug. | 6. | Clean and regap or change |
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| spark plug. |
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| 7. | Dirty fuel filter. | 7. | Replace fuel filter. |
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| 8. | Stale or dirty fuel. | 8. | Drain fuel tank and refill with |
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| fresh gasoline. |
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| 9. | Water in fuel. | 9. | Drain fuel tank and carbure |
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| tor, refill tank with fresh |
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| gasoline and replace fuel |
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| filter. |
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| 10. Spark plug wire loose. | 10. Connect and tighten spark | ||
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| plug wire. |
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| 11. Dirty engine air screen/fins. | 11. Clean engine air screen/fins. | ||
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| 12. Dirty/clogged muffler. | 12. Clean/replace muffler. | ||
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| 13. Loose or damaged wiring. | 13. Check all wiring. | ||
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| 14. Carburetor out of | 14. See “To Adjust Carburetor” | ||
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| adjustment. |
| in Service and Adjustments |
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| section. |
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| 15. Engine valves out of | 15. Contact a qualified | ||
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| adjustment. |
| service center/department. |
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| Excessive | 1. | Worn, bent or loose blade. | 1. | Replace blade. |
| vibration |
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| Tighten blade bolt. |
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| 2. | Bent blade mandrel. | 2. | Contact a qualified |
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| service center/department. |
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| 3. | Loose/damaged part(s). | 3. | Tighten loose part(s). |
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| Replace damaged parts. |
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| Engine continues | 1. | Faulty | 1. | Check wiring, switches and |
| to run |
| presence control system. |
| connections. If not |
| when operator |
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| contact a qualified |
| leaves seat with |
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| service center/department. |
| with attachment |
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| clutch engaged |
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| Poor cut - uneven | 1. | Worn, bent or loose blade. | 1. | Replace blade. Tighten |
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| blade bolt. |
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| 2. | Mower deck not level. | 2. | Level mower deck. |
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| 3. | Buildup of grass, leaves, | 3. | Clean underside of mower |
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| and trash under mower. |
| housing. |
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| 4. | Bent blade mandrel. | 4. | Contact a qualified |
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| service center/department. |
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| 5. | Clogged mower deck vent | 5. | Clean around mandrels to |
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| holes from buildup of |
| open vent holes. |
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| grass, leaves, and trash |
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| around mandrels. |
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