| TROUBLESHOOTING (engine) | ||
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| Table 12 Engine Troubleshooting (continued) | ||
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Symptom | Possible Cause | Solution | |
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| Fuel filter clogged or dirty? | Clean or change. | |
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| Air cleaner clogged? | Clean or change. | |
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| Fuel leak due to loose injection pipe | Tighten nut. | |
| retaining nut? | ||
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Engine revolution is not |
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Injection pump malfunctioning? | Repair or replace. | ||
smooth. | |||
Incorrect nozzle opening pressure? | Adjust. | ||
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| Injection nozzle stuck or clogged? | Repair or replace. | |
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| Fuel over flow pipe clogged? | Clean. | |
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| Governor malfunctioning? | Repair. | |
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| Excessive engine oil? | Reduce to the specified level. | |
Either white or | Piston ring and liner worn or stuck? | Repair or replace. | |
blue exhaust gas is | |||
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Incorrect injection timing? | Adjust. | ||
observed. | |||
| Deficient compression? | Adjust top clearance. | |
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| Overload? | Lessen the load. | |
Either black or dark | Low grade fuel used? | Use the specified fuel. | |
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gray exhaust gas is | Fuel filter clogged? | Clean or change. | |
observed. |
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Air cleaner clogged? | Clean or change. | ||
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| Deficient nozzle injection? | Repair or replace the nozzle. | |
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| Incorrect injection timing? | Adjust. | |
| Engine's moving parts seem to be seizing? | Repair or replace. | |
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Deficient output. | Uneven fuel injection? | Repair or replace the injection pump. | |
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Deficient nozzle injection? | Repair or replace the nozzle. | ||
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| Compression leak? | Replace head gasket, tighten cylinder head | |
| bolt, glow plug and nozzle holder. | ||
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page 60 — LT6D LIGHT TOWER • operation manual — rev. #0 (07/16/13)