TM 5-3810-306-20
TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING (CONTD)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Defective oil pressure gauge.
a. Remove and test oil pressure gauge. If OK, do Step 3.
b. Replace oil pressure gauge. (Refer to page 8-17.)
Step 3.
Engine running too cold.
a. Refer to troubleshooting logic for COOLANT TEMPERATURE BELOW NORMAL.
10. ENGINE OIL LOSS
Step 1.
Oil cooler leak.
a. Inspect coolant for oil. If OK, do Step 2.
b. Contact Direct Support Maintenance to replace oil cooler and gasket.
Step 2.
High blowby forcing oil out breather.
a. Inspect breather tube area for signs of oil loss.
b. Contact Direct Support Maintenance.
11. CONTAMINATED ENGINE OIL
Step 1.
Fuel transfer pump seal leaking.
a. Remove and inspect fuel transfer pump. If OK, do Step 2.
b. Replace fuel transfer pump. (Refer to page 5-18.)
Step 2.
Engine lubrication system malfunction.
a. Refer to Direct Support Maintenance.
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