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 523 of 1313
EXCESSIVE PROPELLER AND DRIVE SHAFTS NOISE OR VIBRATION - Continued
STEP
3.
IS CENTER BEARING ASSEMBLY IN GOOD OPERATING CONDITION?
a.
Visually inspect center bearing assembly for looseness and damage.
T0525DAA
Figure 3.
Center Bearing.
b.
Tighten center bearing to forward rear axle propeller shaft yoke to transfer to center bearing rear flange
screws to 32-40 ft-lb (43-54 N·m).
CONDITION/INDICATION
IS CENTER BEARING ASSEMBLY IN GOOD OPERATING CONDITION?
DECISION
YES - Go to Step (4) to verify problem is solved.
NO - Replace damaged center bearing assembly (Volume 3, WP
0401). Go to Step (4) to verify problem is
solved.
TM 9-2320-272-23-1
0044
0044-4
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