TM 5-4310-386-14
Table 5-1. Direct Support Troubleshooting Procedures (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
16. ENGINE GIVES POOR PERFORMANCE (Cont).
Step 3. Check exhaust back pressure.
Replace muffler or spark arrestor if required.
Step 4. Check fuel injectors.
Replace damaged or defective fuel injectors (para. 5-31).
17. ENGINE OIL PRESSURE ZERO OR TOO LOW.
Step 1. Check lube oil line for blockage or leakage.
Replace damaged lube oil line (para. 5-34).
Step 2. Check oil pump.
Replace damaged or defective oil pump (para. 5-33).
18. ENGINE OIL CONSUMPTION EXCESSIVE.
Step 1. Check rocker arm metering screws.
Adjust (para. 5-38).
Step 2. Check valve guides.
Replace worn valve guides (para. 5-40).
Step 3. Check engine piston.
Replace worn piston and rings (para. 5-43).
Step 4. Check engine cylinder.
Replace worn engine cylinder (para. 5-42).
5-7
