TM 5-4310-387-14
Table 3-2. Operator Troubleshooting Procedures (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. ENGINE EXHAUST EXCESSIVELY BLACK.
Step 1.
Check load.
Lighten load if too high.
Step 2.
Check primer button.
Disengage primer button.
Step 3.
Check engine speed
Raise engine speed if too low.
Step 4. Check oil level.
Notify unit maintenance if engine oil is too high.
6. ENGINE EXHAUST EXCESSIVELY BLUE.
Check compressor inclination.
Move compressor to level ground.
7. ENGINE RUNS EXCESSIVELY HOT.
Step 1. Check cooling baffles.
Notify unit maintenance if baffles are damaged or missing.
Step 2. Check oil level.
Add oil if low.
8. EXCESSIVE OIL CONSUMPTION.
Step 1.
Check engine for leaks.
Notify unit maintenance of any leaks.
Step 2. Check oil grade.
Replace oil if wrong grade.
3-4
