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TROUBLESHOOTING AND REPAIR |
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Observe Safety Guidelines detailed in the beginning of this manual. |
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PROBLEMS |
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| POSSIBLE AREAS OF |
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(SYMPTOMS) |
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| MISADJUSTMENT(S) |
| COURSE OF ACTION |
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| ENGINE PROBLEMS |
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The Engine shuts off. |
| 1. | The Engine may be low on or out | 1. | The oil pressure switch may be | ||||||
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| of fuel. |
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| faulty. Replace if necessary. | ||||
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| 2. | The Oil level may be low. Check | 2. | The fuel shut off solenoid may | ||||||
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| and fill to proper level. |
| be faulty (Kohler Engines only). | ||||||
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| 3. The fuel filter may be clogged. |
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Engine does not develop full | 1. The fuel filter may be clogged. | 1. | Due to wear, the engine may be | ||||||||
power. |
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| Replace if necessary. |
| in need of repair. |
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| 2. The air | filter may | be clogged. |
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| Replace if necessary. |
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| 3. The spark plug(s) may be faulty. |
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| Replace if necessary. |
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Engine tries to start when S3 is in | 1. Oil pressure switch may be | 1. Check Oil Switch should show | |||||||||
start position, then shuts off when |
| faulty. |
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| continuity when running/open | |||||
switched to run. |
| 2. Fuel Shutoff Solenoid Diodes |
| when off Switch. | Replace oil | ||||||
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| pressure switch if necessary. | ||||||||
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| may be open. |
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| 2. Check engine diodes in engine | |||||
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| wiring harness. Replace if | ||||
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| necessary (Engine Mfg. Part). | ||||
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Engine will not start with S3 in | 1. Engine | shutdown | solenoid | 1. Check Engine diodes in engine | |||||||
start position, but then tries to |
| diodes may be open. |
| wiring harness. | Replace if | ||||||
start or does start when S3 is | 2. Start switch (S3) may be faulty. |
| necessary (Engine Mfg. Part). | ||||||||
switched to run position. |
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| 2. Check | start | switch | (S3). | ||||
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| Replace if necessary. |
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Engine will not shut off when S3 | 1. Fuel shutoff solenoid may be | 1. Feel solenoid for clicking open | |||||||||
is placed “OFF” position. |
| faulty or stuck open. |
| or closed. |
| Replace if | |||||
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| 2. Start switch (S3) may be faulty. |
| necessary. |
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| 2. Check | start | switch | (S3). | ||
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| Replace if necessary. |
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Engine continues to crank when | 1. Engine | shutdown | solenoid | 1. Check diodes. Replace Engine | |||||||
S3 is switched to “RUN” position. |
| diodes may be shorted. |
| Diodes (Engine Mfg. Part) if | |||||||
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| necessary. |
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CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call
