GMC 1976 ZEO 6083 Maintenance Manual page 180

Figure 45-Installing Seals Into Bearing Housing
6. Position shim into bearing housing and install
pinion rear bearing outer race as shown in Figure 44 .
7. Install seals into bearing housing as shown in
Figure 45 .
8. Install a new "O" ring seal on the bearing
housing.
9. Install seal and vent pin on face of housing.
(figure 25)
10 . Install seal protector J-22236 over drive pin-
ion and install bearing housing over seal protector
and position on the final drive housing. Torque the
attaching bolts to 45 ft . lbs. (figure 46). Remove Tool
J-22236.
CAUTION : Seal protector must be used or
inner seal lip will fold between seal case and
pinion shaft resulting in a leak.
11 . Reinstall Tool J-22208-1-2 and recheck pin-
ion pre-load . Must be two to five in . lbs. for used
bearings, two to 15 in . lbs. for new bearings (figure
23).
FINAL DRIVE 3C- 1 7
Figure 46-Installing Bearing Housing Into Final Drive
Housing
CASE ASSEMBLY
Side Bearing
Installation
1 . Install the side bearings as shown in Figures 47
and 48 . Drive evenly until seated .
NOTE :
Do not let the bearing cock as it is being
driven on . Excess metal could be wiped off the
mounting surfaces and the bearing
could
become loose on the case.
SIDE AND PINION GEARS
Installation
Before assembling the differential case, lubricate
all parts with Lubricant No . 1051022 or equivalent .
Figure 47-Installing Left Side Bearing