TM-9-2320-272-23-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-1 - Page 616 of 1313
WINCH DOES NOT OPERATE - Continued
STEP
10.
IS OIL PUMP IN GOOD OPERATING CONDITION?
a.
Visually check oil pump for leaks and overheating.
T0602DAA
Figure 10.
Oil Pump.
NOTE
If leaks continue or overheating is detected, oil pump is faulty.
b.
Tighten loose fittings.
CONDITION/INDICATION
IS OIL PUMP IN GOOD OPERATING CONDITION?
DECISION
YES - Go to Step (11).
NO - Replace oil pump (Volume 4, WP
0683). Go to Step (12) to verify problem is solved.
TM 9-2320-272-23-1
0059
0059-11
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