TROUBLESHOOTING - CONTINUED
TEST OR INSPECTION
3. USES TOO MUCH OIL - CONTINUED
When doing tests with engine running, stand aside to avoid personnel injury from moving parts.
Step 3. Test oil pump (1) for proper operation.
a. Remove oil pressure sending unit (2) (TM 9-2320-269-20-1), and
install pressure gage.
b. Start engine (3), and let run at 1800 rpm (TM 9-2320-269-10).
Check gage reading, and shut off.
c. Remove pressure gage, and install oil pressure sending unit (2)
d. If gage reading was not 45-60 psi, (310-413 kPa), remove oil pump
(1), repair or replace as needed, and install (page 2-208).
Step 4. Test engine (3) for proper compression.
a. Go to step 6 of CRANKS BUT WILL NOT START (page 2-4).
b. Close hood panels (TM 9-2320-269-20-1).