ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
Table 4-2. Unit Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10. LOW OIL PRESSURE.
Step 1.
Step 2.
Step 3.
Step 4.
Defective oil pressure gauge.
Replace oil pressure gauge (para 4-63).
Defective oil pressure transmitter.
Replace oil pressure transmitter (para 4-22).
Clogged oil filters.
Service oil filters (para 4-4).
Improper viscosity of oil.
Drain crankcase and refill with oil of proper viscosity (Lubrication Order para 4-4).
11. ENGINE OVERHEATING.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Step 6.
Step 7.
Step 8.
V-belt broken or out of adjustment.
Adjust or replace V-belt (para 4-40).
Defective thermostat.
Replace thermostat (para 4-43).
Defective or improperly adjusted shutter and controls.
Adjust or replace shutter and control assembly (para 4-39).
Rust or scale clogging radiator.
Replace radiator (para 4-38).
Radiator air passages dogged.
Clean radiator air passages (para 4-19).
Collapsed radiator hoses.
Replace radiator hoses.
Defective water pump.
Replace water pump assembly (para 4-42).
Exhaust pipe or muffler restricted.
Clean or replace exhaust pipe or muffler (para 4-53).
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