TM 5-3895-346-14
REASSEMBLY
AXLE
2.
Install the floating ring gear assembly, while at the same time lifting the weight of the hub and drum
assembly to allow the outer bearing to mate with outer hub bearing cup.
3.
Install the wheel bearing adjusting nut.
WHEEL BEARING AWJUSTMENT
1.
On axles other than the PR-50 and PS-50 series, tighten the adjusting nut against the ring gear hub
to 400 lb ft (542 Nm) while the wheel is being rotated (refer to Fig. 6). On PR-50 and PS-50 series axles, adjust
the nut to 100 lb ft (136 Nm) while the wheel is being rotated (refer to Fig. 6). Rotate the wheel in both
directions to make sure bearings and related parts are fully seated.
2.
Back off adjusting nut turn to relieve preload on bearings.
3.
If wheel bearings have been replaced with new bearings, check the rotating torque (not starting
torque) by means of a pull scale and cord (refer to Fig. 7) and advance the adjusting nut in small increments
until the proper preload for the particular axle model is obtained as follows:
AXLE MODEL
PRELOAD TORQUE
PR-50, PR-60
3 to 5 lb ft
PR-100
4 to 8 lb ft
PR-150
5 to 9 lb ft
PR-200
5 to 9 lb ft
PR-250
6 to 10 lb ft
PR-300
8 to 12 lb ft
PR-500
10 to 14 lb ft
PR-700
14 to 18 lb ft
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