ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
Table 3-1. Operator Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. ENGINE KNOCKS.
Step 1.
Step 2.
Step 3.
Engine overheated.
Refer to malfunction 11 of this table.
Low lube oil level.
Check oil level. Add oil if necessary (Lubrication order, para 3-2).
Improper grade of fuel or water in fuel.
Drain main fuel tank (para 3-45), fuel filters (para 3-39, 3-41) and day tank (para 3-21).
Service with clean fuel (para 3-45).
8. BLACK SMOKE IN EXHAUST.
Step 1.
Step 2.
Step 3.
Improper grade of fuel.
Drain main fuel tank (para 3-45), fuel filters (para 3-39, 3-41) and day tank (para 3-21).
Service with clean fuel (para 3-45).
Dirty air cleaner
Notify higher level of maintenance.
Generator set overloaded.
Reduce load to rated level.
9. BLUE OR WHITE SMOKE IN EXHAUST
Improper grade of fuel.
Drain main fuel tank (para 3-45),
10. LOW OIL PRESSURE.
fuel filters (para 3-39, 3-41) and day tank (para 3-21).
Low oil level.
Add oil to proper level on dipstick (para 3-2).
Improper viscosity of oil.
Drain crankcase and refill with oil of proper viscosity (Lubrication Order para 3-2).
Step 1.
Step 2.
3-14
