DCA-15SPXU4 —TROUBLESHOOTING (ENGINE)
TABLE 16. ENGINE TROUBLESHOOTING (CONTINUED)
SYMPTOM | POSSIBLE PROBLEM | SOLUTION | |
|
|
| |
| Fuel filter clogged or dirty? | Clean or change. | |
|
|
| |
| Air cleaner clogged? | Clean or change. | |
|
|
| |
| Fuel leak due to loose injection | Tighten nut. | |
| pipe retaining nut? | ||
|
| ||
|
|
| |
| Injection pump malfunctioning? | Repair or replace. | |
Engine revolution is not smooth. |
|
| |
Incorrect nozzle opening | Adjust. | ||
| |||
| pressure? | ||
|
| ||
|
|
| |
| Injection nozzle stuck or | Repair or replace. | |
| clogged? | ||
|
| ||
|
|
| |
| Fuel over flow pipe clogged? | Clean. | |
|
|
| |
| Governor malfunctioning? | Repair. | |
|
|
| |
| Excessive engine oil? | Reduce to the specified level. | |
|
|
| |
| Piston ring and liner worn or | Repair or replace. | |
Either white or blue exhaust gas | stuck? | ||
| |||
is observed. |
|
| |
Incorrect injection timing? | Adjust. | ||
| |||
|
|
| |
| Deficient compression? | Adjust top clearance. | |
|
|
| |
| Overload? | Lessen the load. | |
|
|
| |
| Low grade fuel used? | Use the specified fuel. | |
Either black or dark gray |
|
| |
Fuel filter clogged? | Clean or change. | ||
exhaust gas is observed. | |||
|
| ||
| Air cleaner clogged? | Clean or change. | |
|
|
| |
| Deficient nozzle injection? | Repair or replace the nozzle. | |
|
|
| |
| Incorrect injection timing? | Adjust. | |
|
|
| |
| Engine's moving parts seem to | Repair or replace. | |
| be seizing? | ||
|
| ||
|
|
| |
Deficient output. | Uneven fuel injection? | Repair or replace the injection pump. | |
|
|
| |
| Deficient nozzle injection? | Repair or replace the nozzle. | |
|
|
| |
| Compression leak? | Replace head gasket, tighten cylinder head bolt, glow plug and | |
| nozzle holder. | ||
|
| ||
|
|
|