TM 5-4320-300-14
Table 5-1. Direct Support Troubleshooting-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3. Check for faulty fuel pump.
Repair or replace damaged fuel pump (para 5-11).
NOTE
The wrong grade of fuel oil will also not undergo complete combustion. This condition may result
in black or grey smoke.
5. ENGINE CONSUMES EXCESSIVE LUBE OIL (MAY PRODUCE BLUE SMOKE)
Step 1. Check for leaking oil pan gasket.
If oil pan gasket is leaking, tighten bolts to 10 to 20 ft lb (14 to 27 Nm) in the sequence shown.
5-4
