g. Remove spur gears (13) and their
respective thrust washers (12) and (14).
The oil seal (25) is located in hub
against hub rear bearing cup and
wipes spindle (31).
Thrust washers (12) and (14) are
designed for opposite sides of the
b. Remove oil seal (25) from hub with a
planet shafts and can only be
suitable puller. Remove bearing (24).
installed in their correct locations.
c. If necessary, remove outer bearing rings
(22) and cup (23) from wheel hub with a
3. REMOVE FLOATING RING GEAR ASSEMBLY.
a. Remove retaining ring (19) from end of
d. Match mark drum (26) and hub (21) and
remove eighteen capscrews (28) and
washers (27). Separate drum (26) and
b. Remove axle shaft spur gear (5).
c. Remove key washer (6).
5. REMOVE SPINDLE.
d. Remove two capscrews (9) and wheel
a. Tag and disconnect air lines at both air
bearing nut strip (10).
e. Using axle wheel nut wrench (Item 14,
b. Disconnect air line mounting plate on top
of wheel spindle and move to side.
c. Remove air brake chambers.
d. Remove spindle nuts (29) and washers
Provide support to prevent spur gear
(11) from dropping.
e. Remove brake spider assembly.
f. Remove spur gear (11) and gear (8).
g. If necessary, remove bearing (20) using
Use care when removing spindle (31)
to avoid damage to oil seal (32).
4. REMOVE WHEEL HUB AND DRUM ASSEMBLY.
f. Install wheel bearing nut (7) on spindle.
a. Lift hub (21) and drum (26) slightly to
Using rubber mallet, tap and remove
relieve hub weight and brake shoe drag.
Remove assembly from spindle (31).
g. Remove inner oil seal (32) and bushing
(35). Discard seal (32).