Drum Demountable-Type; Drum Non-Demountable-Type; Wheel Bolt - Chevrolet 10 1971 Series Chassis Service Manual

Fig. 39— Removing Hub Outer Bearing (11,000 lb. Axle)
4. Withdraw cup installer and install retainer ring using
pliers for 5200 and 7200 lb. axles (fig. 38) or Tool
J-22380 for 11,000 (fig. 40).
Fig. 40— Removing Wheel Hub O uter Bearing Retainer Ring
REAR SUSPENSION AND DRIVE LINE 4-19
5. Press the bearing cup into positive contact with re­
tainer ring using a splined axle shaft flange for
11,000 lb. axles shown in Figure 39.
The bearing cup-to-retainer ring seat­
NOTE:
ing procedure is essential to assure that an
accurate wheel bearing adjustment will be ob­
tained, and that the adjustment will not loosen
during vehicle operation.
DRUM DEMOUNTABLE-TYPE (Fig. 34)
Replacement
The demountable-type drum may be separated from the
hub and removed from the vehicle without disturbing the
axle shaft and hub. The drum is held to the hub by coun­
tersunk, slotted screws, which are easily removed with a
screw driver.
DRUM NON-DEMOUNTABLE-TYPE (Fig. 33)
Replacement
Construction, of the nondemountable-type hub and drum
assembly, is such that replacement cannot be accom­
plished with the hub assembly installed on the vehicle.
1. Separate the drum and hub by removing the drum-to-
hub retaining bolts, hub stud nuts, or by pressing out
the wheel studs, as applicable.
2. Position brake drum to hub assembly, making certain
that all drain holes are in alignment.
3. Apply a light, even coating of sealing compound to the
hub oil deflector contact surface, and position de­
flector to drum.
4. Install drum-to-hub retaining bolts, hub stud nuts, or
press wheel studs into drum, as applicable.

WHEEL BOLT

Replacement
Wheel bolts are serrated and may also be swaged in
place; however, replacement procedure remains the
same for both types of installation.
REMOVAL
Fig. 41— Wheel Bolt Replacement
INSTALLATION
10-30 CHEVROLET TRUCK SERVICE MANUAL