TM 5-4310-354-14
Table 5-1. Direct Support and General Support Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE - continued
6. ENGINE HAS LOW OIL PRESSURE - continued.
Step 2.
Inspect for defective oil pump.
Repair or replace oil pump (para 7-16).
Step 3.
Check if rocker arm shaft is installed correctly.
Install rocker arm shaft in accordance with para 7-12 and figure 7-37.
Step 4.
Inspect for failure of main bearings, connecting rod be arings, and camshaft bearings.
Repair or replace, as necessary (para 7-26, 7-24, and 7-22).
Step 5.
Check of oil header plugs are missing or loose.
Install oil header plugs or tighten, as necessary (para 7-28).
7. ENGINE OVERHEATING.
Step 1.
Inspect thermostat for proper operation.
Replace a defective thermostat (figure 7-35).
Step 2.
Check water pump for defective parts.
Repair or replace the water pump (para 7-10).
Step 3.
Inspect for cracked cylinder block.
Replace a defective cylinder block (para 7-28).
8. ENGINE HAS LOW FUEL PRESSURE.
Step 1.
Check timing of fuel injection pump.
Time the injection pump (para 7-8).
Step 2.
Check for defective fuel injection pump.
Repair or replace injection pump (para 7-8).
9. ENGINE EXHAUST EXCESSIVELY BLACK.
Step 1.
Check timing of fuel injection pump.
Time the injection pump (para 7-8).
5-5
