TROUBLESHOOTING
PROBLEM |
| PROBABLE CAUSE |
| CORRECTIVE ACTION |
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Starter Will Not Crank | 1. Battery dead. | 1. | Service battery. | |
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Engine | 2. Blown fuse. | 2. | Replace fuse. | |
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| 3. | Electrical connections loose or corroded. | 3. Clean and check connections for good contact. | |
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| 4. | Defective ignition switch. | 4. | Contact authorized SNAPPER dealer. |
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Engine Will Not Start | 1. Blade engagement switch in the “ON” position. | 1. Move blade engagement switch to “OFF”. | ||
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| 2. | Park brake not set. | 2. | Set park brake. |
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| 3. | Fuel tank empty. | 3. | Fill fuel tank with fresh diesel fuel. |
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| 4. | Fuel filter clogged. | 4. | Remove and clean fuel filter of all debris. |
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| 5. | Fuel cock in the “OFF” position. | 5. Move fuel cock lever to the “ON” position. | |
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| 6. | Battery weak or dead. | 6. | Service battery. |
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| 7. | Faulty parking brake, blade or ignition switch. | 7. | Contact authorized SNAPPER dealer. |
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Engine Stalls After | 1. Operator not in seat. | 1. | Sit in operator’s seat. | |
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Running | 2. Fuel injection nozzle clogged with carbon. | 2. | Clean or replace fuel injection nozzle. | |
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| 3. | Fuel tank empty. | 3. | Fill with fuel to proper level. |
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| 4. | Engine air cleaner dirty. | 4. | Clean air cleaner of all debris. |
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| 5..Insufficient lubrication. | 5. | Check engine oil lubricating system. | |
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| 6. | Fuel filter clogged. | 6. | Remove and clean fuel filter of all debris. |
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| 7. | Water, debris or stale fuel in fuel system. | 7. | Drain and clean fuel system. |
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Engine Loses Power | 1. Excessive load on engine. | 1. | Lessen load. | |
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| 2. | Engine air | 2. | Clean or replace filters. |
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| 3. | Engine oil level low. | 3. | Fill with engine oil to proper level. |
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| 4. | Fuel injection nozzle clogged with carbon. | 4. | Clean or replace fuel injection nozzle. |
| 5. | Water, debris or stale fuel in fuel system. | 5. | Drain and clean fuel system. |
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Engine Backfires When | 1. Throttle control set too “FAST”. | 1. Set throttle control to “SLOW” and allow engine | ||
Turned To “STOP” |
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| to idle. Then, turn key to “OFF”. |
Excessive Vibration | 1. Damaged or bent mower blades. | 1. | Service mower blade(s). | |
| 2. | Loose blade components. | 2. | Service and tighten loose parts. |
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| 3. | Loose or missing air lift (if equipped). | 3. | Replace air lifts. Tighten to proper torque. |
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Engine Over Heats | 1. Insufficient engine lubrication. | 1. | Check engine oil lubrication system. | |
| 2. | Fan belt broken or out of adjustment. | 2. | Replace fan belt or adjust to proper tension. |
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| 3. | Insufficient coolant level. | 3. | Check coolant level and replenish supply. |
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| 4. | Thermostat defective. | 4. | Replace thermostat of correct heat range. |
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| 5. | Radiator screen or radiator cooling fins clogged. | 5. | Clean all debris from radiator screen and fins |
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| 6. | Water pump, fan & radiator cap defective. | 6. Replace cooling system parts that are defective | |
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| 7. | Incorrect fuel injection timing. | 7. | Contact authorized SNAPPER dealer. |
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| 8. | Excessive concentration of antifreeze. | 8. | Change coolant(water/antifreeze) mixture ratio. |
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| 9. | Cooling system clogged with debris. | 9. Drain and flush cooling system. | |
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(Trouble Shooting Continued on Next Page)
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