TROUBLESHOOTING CHART:
PROBLEM | CAUSE | CORRECTION |
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| Loss of power | 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. | Empty fuel tank and refill tank |
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| with fresh, clean gasoline. |
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| 9. | Water in fuel. | 9. | Empty fuel tank and carbure- |
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| tor, refill tank with fresh gas- |
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| oline and replace fuel 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 adjustment. | 14. See “To Adjust Carburetor” |
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| in Service and Adjustments |
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| section. |
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| 15. Engine valves out of | 15. Contact an authorized |
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| adjustment. |
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| Excessive | 1. | Worn, bent or loose blade. | 1. | Replace blade. Tighten |
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| vibration |
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| blade bolt. |
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| 2. | Bent blade mandrel. | 2. | Contact an authorized |
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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 dies when | 1. | Reverse operation system | 1. | Turn ignition key to |
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| tractor is shifted |
| (ROS) is not "ON" while |
| ROS "ON" position. |
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| into reverse |
| mower or other attachment |
| See Operation section. |
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| is engaged. |
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| Engine continues | 1. | Faulty | 1. | Check wiring, switches and |
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| to run when |
| presence control system. |
| connections. If not corrected, |
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| operator leaves |
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| contact an authorized |
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| seat with |
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| service center/department. |
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| 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, and | 3. | Clean underside of mower |
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| trash under mower. |
| housing. |
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| 4. | Bent blade mandrel. | 4. | Contact an authorized |
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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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| from |
| open vent holes. |
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| and trash around mandrels. |
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| Mower blades will | 1. | Obstruction in clutch | 1. | Remove obstruction. |
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| not rotate |
| mechanism. |
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| 2. | Worn/damaged mower drive | 2. | Replace mower drive belt. |
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| belt. |
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| 3. | Frozen idler pulley. | 3. | Replace idler pulley. |
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| 4. | Frozen blade mandrel. | 4. | Contact an authorized |
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| service center/department. |
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