Bearing Cup; Installing Hub Inner Bearing Cup (Typical); Removing Hub Inner Bearing Cup - Chevrolet 10 1971 Series Chassis Service Manual

REAR SUSPENSION AND DRIVE LINE 4-18
and cups see " Bearing Cup Replacement" for
various axles.
2. Thoroughly clean all lubricant off axle housing tube
and out of inside the hub, wipe dry. Make sure all
particles of gasket are removed from outer end of
hub, axle shaft, and hub cap.
3. Scrape old sealing compound out of oil seal bore in
the hub.
Inspection
1. Inspect bearing rollers for excessive wear, chipped
edges, and other damage.
around cone to detect any flat or rough spots on rol­
lers or cone.
2. Examine bearing cups in hub for pits, cracks, and
other damage.
3. Examine axle shaft flange studs, wheel studs, hub
splines, hub bore, and tapped holes for evidence of
damage--clean up threads or replace parts where
required.
4. Examine oil seal sleeve for evidence of wear or
roughness, check axle housing oil deflector and brake
drum oil deflector for evidence of damage--replace
parts where required.
5. Examine brake drum for excessive scoring and other
damage. To replace brake drum refer to " Brake
Drum Replacement."

BEARING CUP

Replacement
Replace inner cup (all axles) as follows:
1. Cut a suitable length of 1/2 inch steel bar stock for
press-out tool as shown in Figure 36.
2. Place appropriate press-out tool behind bearing cup,
index tool in provided notches, and press out cup
with an arbor press.
3. Position bearing cup in hub--thick edge of cup toward
shoulder in hub--then, using applicable cup installer
Fig. 36— Removing Hub Inner Bearing Cup
Slowly move rollers
Fig. 37— Installing Hub Inner Bearing Cup (Typical)
as specified, press cup into hub until it seats on hub
shoulder (fig. 37). Make certain that cup is not
cocked and that it is fully seated against shoulder.
a. J-8114 (Use with J-8092 driver handle)--5200,
5500 and 7200 lb. axles.
b. J-8093 (Use with J-8092 driver handle)--11,000
lb. axle.
Replace outer bearing assembly as follows:
Inner bearing assembly must be re­
NOTE:
moved before attempting to replace outer bear­
ing assembly.
1. Using a punch of suitable length, tap bearing outer
race away from bearing retaining ring (fig. 38). Then
remove retaining ring from hub--using pliers for re­
moval of ring on 5200 and 7200 lb. axle (fig. 38).
2. Press bearing assembly from hub:
a. 5200, 5500 lb. Dana and 7200 lb. axles--Drive
out bearing using a brass drift.
b. 11,000 lb. axle—Remove the bearings by driving
on the axle shaft spacer, using the splined flange
cut from an old axle shaft (fig. 39).
3. On 11,000 lb. axle place axle shaft spacer in hub
first. Place inner race and roller assembly in hub--
larger O.D. of roller assembly towards outer end of
hub--then position bearing cup in hub--thin edge of
cup toward outer end of hub--press cup into hub,
using Tool J-2223 for 5200, 7200 axles; Tool J-8114
with J-8092 drive handle for 11,000 lb. axle.
Fig. 38— Bearing Retainer Ring Removal (5200 and
7200 lb. Axle)
10-30 CHEVROLET TRUCK SERVICE MANUAL