TM 5-3810-306-20
TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING (CONTD)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Defective oil pressure gauge. I
a. Remove and test oil pressure gauge. If OK, do Step 3.
b. Replace oil pressure gauge. (Refer to page 8-17.)
Step 3.
Oil filter plugged.
a. Remove and inspect oil filter. If OK, do Step 4.
b. Replace oil filter and engine oil. (Refer to LO 5- 3810-306-12.)
Step 4.
Oil diluted with fuel but engine normal.
a. Remove and inspect fuel transfer pump seal. If OK, do Step 5.
b. Replace fuel transfer pump. (Refer to page 5-18.)
Step 5.
Oil diluted with coolant.
a. Check oil cooler and aftercooler for coolant leaks. If OK, do Step 6.
b. Contact Direct Support Maintenance to replace oil cooler or after cooler.
Step 6.
Engine lubrication system malfunction.
a. Contact Direct Support Maintenance.
9.
LUBRICATING OIL PRESSURE TOO HIGH
Step 1.
Defective oil pressure sending unit.
a. Using STE/ICE, perform VTM test for Engine Oil Pressure. If OK, do Step 2.
b. Check engine oil pressure by using direct reading gauge. If OK, do Step 2. If pressure is high,
contact Direct Support Maintenance.
c. Replace oil pressure sending unit. (Refer to page 8-46.)
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