TM 5-4310-387-14
Table 4-2. Unit Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE DOES NOT START.
Step 1. Inspect fuel system for clogged filter or lines.
Replace fuel lines (para. 4-24).
Step 2. Test fuel system for air in fuel lines.
Bleed fuel lines.
Step 3. Check governor assembly.
Adjust governor assembly (para. 4-29).
2. ENGINE STARTS, THEN STOPS.
Check governor adjustment.
Adjust governor (para. 4-29).
3. ENGINE RUNS UNEVENLY; LOW OUTPUT.
Step 1.
Inspect fuel system for clogged filter.
Replace fuel filter (para. 4-24).
Step 2.
Check governor.
Adjust governor (para. 4-29).
4. ENGINE EXHAUST EMITS EXCESSIVE BLACK SMOKE.
Inspect oil level for excessive amount of oil.
Drain off and recheck oil level for correct level.
4-6