TM 5-4310-386-14
Table 5-1. Direct Support Troubleshooting Procedures (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
19. ENGINE SMOKES WHITE.
Step 1. Check for defective fuel injector.
Replace a damaged or defective injector (para. 5-31).
Step 2. Check injector sealing washer.
Replace if necessary (para. 5-31).
Step 3. Check injection pump timing.
Adjust if necessary (para. 5-30).
20. ENGINE SMOKE BLUE.
Step 1. Check valve guides.
Replace worn valve guides (para. 5-40).
Step 2. Check piston and piston rings.
Replace rings and piston if required (para. 5-43).
Step 3. Check cylinder.
Replace worn cylinder (para. 5-42).
21. ENGINE SMOKES BLACK.
Step 1. Check engine injector.
Replace defective injector (para. 5-31).
Step 2. Check injection pump timing.
Adjust as required (para. 5-30).
22. ENGINE DOES NOT RUN SMOOTHLY.
Engine/compressor vibration mounts broken or loose.
Tighten or replace as required (para. 5-49).
5-8
