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 649 of 1313
VEHICLE ROLLS WHILE OPERATING REAR WINCH - Continued
STEP
1.
IS PARKING BRAKE PROPERLY ADJUSTED?
Test parking brake for proper adjustment (Volume 3, WP
0420).
CONDITION/INDICATION
IS PARKING BRAKE PROPERLY ADJUSTED?
DECISION
YES - Go to Step (2).
NO - Adjust parking brake (Volume 3, WP
0420). Go to Step (4) to verify problem is solved.
STEP
2.
IS SPRING BRAKE CAGE RELEASED?
Visually check if spring brake cage is released.
T0617DAA
Figure 1.
Spring Brake.
CONDITION/INDICATION
IS SPRING BRAKE CAGE RELEASED?
DECISION
YES - Go to Step (3).
NO - Release brakes (TM 9-2320-272-10). Go to Step (4) to verify problem is solved.
TM 9-2320-272-23-1
0066
0066-2
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