On some of the larger PR models the axle shaft and sun gear are integral. On
these models remove the complete axle shaft, exercising care not to damage the
oil seal. The sun gear thrust washer may then be removed from the axle shaft.
Remove the sun gear thrust washer (refer to Fig. 9).
Remove the axle shaft on rigid models that do not employ the integral sun gear.
Remove the wheel bearing adjusting nut lock. (Wheel bearing adjusting nuts are all of the single
nut construction and may be locked to the hub spindle in different methods depending on model.)
Remove the wheel bearing adjusting nut (refer to Fig. 9).
Remove the floating ring gear assembly. Puller screw holes are provided in the ring gear hub
flange to start gear (refer to Fig. 10).
The floating ring gear is splined to the ring gear hub and secured by four evenly spaced
plates, each plate being attached by two capscrews which are lockwired together (refer to Fig. 11).
The outer wheel bearing is mounted on the ring gear hub.
Separate the ring gear and ring gear hub by removing lock wire, cap- screws, and plates (refer to
Remove outer wheel bearing from ring gear hub (refer to Fig. 11).
10. The ring gear hub assembly is made up of the hub and a hardened ring sleeve insert which is
pressed into the hub from the outer side.