TM 10-4610-229-24
Table 3-1. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ENGINE MISSES OR RUNS ERRATICALLY.
Step 1. Check for dirty or defective fuel injection nozzle (para 3-9).
Repair fuel injection nozzle (para 3-9).
Step 2. Check for burned or sticking valves (para 3-12).
Replace valves (para 3-12).
Step 3. Check for defective head gasket (para 3-11).
Replace head gasket (para 3-11).
4. ENGINE SMOKES EXCESSIVELY OR LEAKS OIL.
Step 1. Test engine compression (para 2-57)
Replace engine (para 2-25).
Step 2. Check crankcase and cylinder for cracks.
Replace crankcase (para 3-24).
Replace cylinder (para 3-11).
Step 3. Check crankcase for leaking seals and gaskets.
Replace seals and gaskets (para 3-24).
BOOST PUMP ASSEMBLY
1. ENGINE CRANKS BUT FAILS TO START.
Step 1. Check for dirty or defective fuel injection pump (para 3-31).
Replace fuel injection pump (para 3-31).
Step 2. Check for dirty or defective fuel injection nozzle (para 3-9).
Repair fuel injection nozzle (para 3-9).
3-2
