TM 5-4310-393-14
16. ENGINE SMOKES BLACK.
Table 4-2. Direct Support Troubleshooting Procedures (Continued)
MALFUNCTION/SYMPTOM
PROBABLE CAUSE
TEST OR INSPECTION/CORRECTIVE ACTION
Injector.
Clean or replace injector.
Fuel delivery (timing).
Adjust timing as needed.
Fuel quality.
Adjust as necessary.
Engine compression.
Run compression test Notify General Support.
17. EQUIPMENT DOES NOT RUN SMOOTHLY.
Broken or loose engine or compressor mounts.
Repair as needed
4-10