TM 5-4310-354-14
Table 3-2. Operator/Crew Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE - continued
6. ENGINE HAS LOW OIL PRESSURE.
Step 1.
Check engine oil level.
Fill crankcase to full mark on dipstick. Refer to LO 5-4310-354-12, figure 3-1.
Step 2.
Check to see if correct grade of engine oil is being used or if oil is contaminated.
If incorrect grade was used, or if oil is contaminated, drain oil from engine crankcase and refill
with correct oil. Replace engine oil filter. Clean crankcase breather. Refer to LO 5-4310-354-
12, figure 3-1.
Step 3.
Check for other causes for low oil pressure.
Notify organizational maintenance.
7. ENGINE IS OVERHEATING.
Step 1.
Check the level of coolant in radiator.
Fill radiator with coolant to a level approximately 2 inches (50.8 mm) below radiator filler neck.
Step 2.
Check the tension of fan drive belt.
Adjust the tension of the belt by moving alternator away from the engine to tighten belt.
Step 3.
Check the engine crankcase oil level.
Fill crankcase to full mark on dipstick. Refer to LO 5-4310-354-12, figure 3-1.
Step 4.
Inspect the radiator grill and external surface of the radiator core for obstructions, such as dirt, paper,
and the like.
Remove any obstructions and blow off dirt with compressed air.
Step 5.
Inspect for any obstruction in engine exhaust.
Remove the obstruction.
Step 6.
Inspect for any other cause for overheating.
Notify organizational maintenance.
8. ENGINE HAS LOW FUEL PRESSURE.
Step 1.
Check level of fuel in fuel tank.
Refill fuel tank with proper grade of fuel.
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