1. INSPECT WHEEL END COMPONENTS.
1. INSTALL SPINDLE.
a. Apply film of waterproof grease to lips of
seal (32), bronze bushing (35) (in spindle
They may easily mutilate or distort
31) and oil seal journal of axle shaft.
b. Install bushing (35) and a new seal (32)
a. Inspect all bearings, cups and cones,
from inner end of spindle (31) with a
including those not removed from parts of
drive unit, and replace if rollers or cups are
worn, pitted, or damaged in any way. If
c. Install bearing (24) on spindle (31).
necessary, remove parts with a suitable
puller or in a press with sleeves.
b. Inspect planetary reduction, spur gears,
Be careful not to damage inner seal
and ring gear assembly for wear or
(32) as it passes over axle shaft.
damage. Gears which are scored, pitted,
ridged, or worn should be replaced.
d. Install spindle (31) by carefully sliding it
c. Inspect for pitted, scored, or worn thrust
over axle shaft.
e. Secure spindle with twenty washers (29)
d. Inspect for worn or ridged planet shafts.
and nuts (30).
e. Remove nicks, mars, and burrs, from
2. INSTALL BEARING (20).
machined or ground surfaces. Threads
must be clean and free of dirt to obtain
a. Install bearing (20) on spur gear journal
accurate adjustment and correct torque. A
fine mill file or India stone is suitable for
this purpose. Studs must be tight prior to
b. Apply grease MIL-G-10924 to bearing
of stud holes of knuckle flanges, spider
flange, or hub cover should be removed to
Inner race of bearing (20) is slip fit
assure easy assembly of these parts.
over spindle journal.
3. ASSEMBLE WHEEL HUB AND DRUM ASSEMBLY.
a. Install cup (23) and outer ring (22) with
b. Install new oil seal (25) with proper driver.
Seal (25) must be driven to its original