6-23
6
6. Remove the four cap screws securing the brake
disc (front hub only).
PR254A
CLEANING AND INSPECTING
NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.
1. Clean all hub components.
2. Inspect all threads for stripping or damage.
3. Inspect the brake disc (if applicable) for cracks
or warping.
4. Inspect the hub for pits, cracks, loose studs, or
spline wear.
REPLACING WHEEL STUDS
To replace wheel studs, use the following procedure.
1. Secure the hub in a suitable holding fixture and
remove the brake disc (if applicable).
2. Drive the damaged stud out of the hub; then
place the new stud into the hub and thread on an
appropriate flange nut.
PR250
3. Using a socket and ratchet handle, tighten the
nut until the stud is fully drawn into the hub.
PR252A
INSTALLING
1. Secure the brake disc (if applicable) to the hub
with the four cap screws coated with red Loctite
#271. Tighten to specifications.
2. Apply grease to the splines in the hub.
PR254B
3. Install the hub assembly onto the axle; then set
the parking brake.
PR221
4. Secure the hub assembly with the nut. Tighten to
specifications; then secure with a new cotter pin.
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