TM 5-3810-306-10
TABLE 3-1. OPERATOR TROUBLESHOOTING (CONTD)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
21. COOLANT TEMPERATURE ABOVE NORMAL
Step 1.
Low coolant level.
a. Check coolant level. If ok, do step 2.
b. Add coolant to proper level.
Step 2.
Radiator fins damaged or obstructed with debris.
a. Inspect radiator fins for damage and debris. If ok, do step 3.
b. Clean debris from radiator.
c. Contact Organizational Maintenance to replace defective radiator.
Step 3.
Collapsed radiator hose.
a. Inspect upper and lower radiator hoses. If ok, do step 4.
b. Contact Organizational Maintenance to replace radiator hose(s).
Step 4.
Engine oil level too high or too low.
a. Remove dipstick and check engine oil level. If ok, do step 5.
b. Add engine oil to proper level. Refer to LO 5-3810-306-12.
c. Contact Organizational Maintenance to drain engine oil to proper level.
Step 5.
Loose fan drive belt.
a. Inspect fan drive belt and belt tensioner. (Refer to page 3-26.) If ok, do step 6.
b. Contact Organizational Maintenance to replace fan drive belt and/or tensioner.
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