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 622 of 1313
WINCH OPERATES IN ONE DIRECTION ONLY - Continued
STEP
2.
IS VALVE SHAFT MOVING IN AND OUT?
a.
Visually check for in and out valve shaft movement.
b.
Check control valve for damage.
T0605DAA
CONTROL VALVE
Figure 2.
Control Valve.
CONDITION/INDICATION
IS VALVE SHAFT MOVING IN AND OUT?
DECISION
YES - M936 vehicles, go to Step (3). All other vehicles, go to Step (5) to verify problem is solved.
NO - Replace control valve (Volume 4, WP
0681).
TM 9-2320-272-23-1
0060
0060-3
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