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 569 of 1313
VEHICLE WANDERS OR PULLS TO ONE SIDE - Continued
STEP
3.
ARE BRAKES DRAGGING?
a.
Check for dragging brakes.
T0545DAA
Figure 3.
Truck Jack.
b.
Raise vehicle wheels until they are off the ground M939 (Volume 3, WP
0484),
M939A1/A2 (Volume 3, WP
0485).
NOTE
Wheels should turn with slight drag when brakes are properly adjusted.
c.
Spin wheel by hand.
CONDITION/INDICATION
ARE BRAKES DRAGGING?
DECISION
NO - Go to Step (4).
YES - Perform Vehicle Pulls Right or Left When Applying Brakes troubleshooting (WP
0121).
STEP
4.
ARE WHEEL BEARINGS IN GOOD OPERATING CONDITION?
a.
Visually check front and rear wheel bearing for adjustment and damage.
TM 9-2320-272-23-1
0053
0053-4
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