SGW-250SS —TROUBLESHOOTING (ENGINE)
TABLE 15. ENGINE TROUBLESHOOTING (PART 2)
SYMPTOM | POSSIBLE PROBLEM | 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 | Tighten nut. | |
| injection pipe retaining nut? | ||
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| Injection pump | Repair or replace. | |
| malfunctioning? | ||
Engine revolution is not |
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smooth. | Incorrect nozzle opening | Adjust. | |
| pressure? | ||
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| Injection nozzle stuck or | Repair or replace. | |
| clogged? | ||
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| Fuel over flow pipe | Clean. | |
| clogged? | ||
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| Governor malfunctioning? | Repair. | |
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| Excessive engine oil? | Reduce to the specified level. | |
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| Piston ring and liner worn | Repair or replace. | |
Either white or blue exhaust | or stuck? | ||
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gas is observed. |
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Incorrect injection timing? | Adjust. | ||
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| Deficient compression? | Adjust top clearance. | |
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| Overload? | Lessen the load. | |
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| Low grade fuel used? | Use the specified fuel. | |
Either black or dark gray |
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Fuel filter clogged? | Clean or change. | ||
exhaust gas is 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. | |
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| Engine's moving parts | Repair or replace. | |
| seem to be seizing? | ||
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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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