
MT-76D2TAMPING  RAMMER — TROUBLESHOOTING
TABLE 4. ENGINE TROUBLESHOOTING
| SYMPTOM | POSSIBLE PROBLEM | SOLUTION | |
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 | Speed control lever is in "STOP" position? | Set speed control lever to "START" position. | |
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 | No fuel reaching injection pump? | Add fuel. Check entire fuel system. | |
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 | Defective fuel pump? | Replace fuel pump. | |
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 | Fuel filter clogged? | Replace fuel filter and clean tank. | |
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| Engine will not start or start is | Faulty fuel supply line? | Replace or repair fuel line. | |
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| delayed, although engine can | Compression too low? | Check piston, cylinder and valves. Adjust or | |
| be turned over. | repair per engine repair manual. | ||
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 | Fuel injector not working correctly? | Repair or replace injector in accordance with | |
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 | engine repair manual. | ||
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 | Oil pressure too low? | Check engine oil pressure. | |
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 | Low starting temperature limit exceeded | Comply with cold starting instructions and | |
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 | proper oil viscosity. | ||
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 | Check whether clear (not turbid) fuel emerges | |
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 | from the fuel line (detach from injection | |
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 | Fuel separates has inadequate resistance to | pump). If the fuel is turbid or separated, warm | |
| At low temperatures engine will | low temperatures? | up the engine or drain the complete fuel | |
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 | supply system. Refuel with winter grade diesel | ||
| not start. | 
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 | fuel. | ||
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 | Engine oil too thick? | Refill engine crankcase with correct type of oil | |
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 | for winter environment. | ||
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| Engine fires but stops soon as | Fuel filter blocked? | Replace fuel filter. | |
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| starter is switched off. | Fuel supply blocked? | Check the entire fuel system. | |
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| Engine stops by itself during | Fuel tank empty? | Add fuel. | |
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| normal operation. | Fuel filter blocked? | Replace fuel filter. | |
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 | Fuel tank empty? | Fill with No.2 diesel fuel. | |
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 | Fuel filter clogged? | Replace fuel filter. | |
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| Low engine power, output and | Fuel tank venting is inadequate? | Ensure that tank is adequately vented. | |
| speed. | 
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| Speed control lever does not remain in | See engine manual for corrective action. | ||
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 | selected position? | 
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 | Engine oil level too full? | Correct engine oil level? | |
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| Low engine power output and | Air filter blocked? | Clean or replace air filter. | |
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 | Adjust valves per engine specification. | ||
| low speed, black exhaust | Incorrect valve clearances? | ||
| smoke. | 
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| Malfunction at injector? | See engine manual. | ||
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