Spicer Drive Axles Service Manual Single Axles 2-Speed & Double Reduction - Manual (Page 9)

Wheel Bearing Adjustment
Wheel bearings should be adjusted at
regular intervals using the following
procedure:
PREPARATION: Provide means to capture
lubricant that will escape when axle shafts
are removed. Remove axle shafts. Jack the
wheel to be adjusted clear of the ground.
After securely blocking the vehicle to prevent
rolling, release the parking brake, allowing
the wheel to rotate freely.
1. Remove outer adjusting nut and doweled
(or tanged) washer.
2 . Visually inspect spindle for damage or
wear. Inspect the nut and spindle threads for
damage. Make certain that the nut turns
without binding by cleaning the threads and
applying a light coat of oil prior to adjusting
the wheel bearings. Inspect tanged washer
(if used). Replace washer if tangs are broken
or badly misshaped.
3
. Torque inner nut to 200 lbs.-ft.(272 N.m)
while rotating the wheel. Loosen the nut
one full turn. - Re-torque to 50 Ibs.-ft.
(68 N.m). Back off nut 1/4 of a full turn.
4
. Install doweled (or tanged) washer. If the
dowel pin and washer (or washer tang and
nut flat) are not aligned, remove washer, turn
it over and reinstall. For further alignment,
loosen the inner nut slightly.
5
. install outer nut and torque as follows:
l
Doweled washer type lock - 300 Ibs.-ft.
(408 N.m)
l
Tanged washer type lock - 250 Ibs.-ft.
(339 N.m)
This adjustment procedure should allow
TANGED WASHER TYPE
wheel to turn freely within .001" to .005"
6
. If using the tanged washer type lock,
(0.025 to 0.125 mm) end-play. secure adjusting nuts by bending one wheel
NOTE: The end-play should be measured
nut washer tang over each nut. Bend tangs
using a dial indicator. If the tires and wheels
over the closest flat perpendicular to the tang
are on the hub, prying the wheel end before
(see illustration).
making the end-play measurement will
7
. Reinstall axle shaft. Refill axle to proper
produce a more accurate reading. lube level.
MAINTENANCE / ADJUSTMENT
Periodic
Service
Section
2
WARNING:
Never work under a
vehicle supported only by a jack.
Insure that the vehicle will not roll
before releasing brakes.
9