Hub And Drum (Figs. 33, 34) - Chevrolet 10 1971 Series Chassis Service Manual

HUB AND DRUM (FIGS. 33, 34)

Removal
1. Remove wheel assembly and axle shaft as specified
in applicable " Axle Shaft Removal" procedure of this
section.
2. Disengage tang of nut lock from slot or flat of lock-
nut, then remove locknut from housing tube, using
appropriate tool (fig. 35).
a. J-2222--5200, 7200 axles.
b. J-0870--ll,000 lb. axles.
3. Disengage tank of nut lock from slot of flat of ad­
justing nut and remove nut lock from housing tube.
4. Use appropriate tool as specified in Step 2 to remove
adjusting nut from housing tube.
On 5200, 7200 and 11,000 lb. axles, re­
NOTE:
move thrust washer from housing tube.
5. Pull hub and drum assembly straight off axle hous­
ing, using care on the 11,000 lb. axles to avoid drop­
ping outer bearing inner race and roller assembly.
6. Remove oil seal.
Cleaning
1. Immerse bearing cone and roller assemblies in
cleaning solvent. Clean with stiff brush to remove
old lubricant. Blow bearings dry with compressed
1. Axle Shaft
2. A xle Shaft-to-W heel Bolt
3. Adjusting Nut Locknut
4. Hub Outer Bearing Assembly
5. Hub Outer Bearing Retainer
6. Wheel Bolt
7. Drum
8. O il Deflector
9. O il Deflector
10. O il Seal
11. Hub Inner Bearing
Assembly
12. Thrust Washer
13. Bearing Adjusting Nut
14. Adjusting Nut Lock
15. Gasket
REAR SUSPENSION AND DRIVE LINE 4-17
Fig. 34— Hub and Drum Details (Demountable - Type Drum)
1. A xle Shaft
2. Axle Shaft-to-W heel
Hub Retaining Bolt
3. Adjusting Nut Locknut
4. Hub Outer Bearing
Assembly
5. Hub Outer Bearing
Retainer
6. Wheel Bolt
7. Drum
8. O il Deflector
air, directing air stream across bearing. Do not
spin bearings while blowing them dry.
To remove inner and outer bearings
NOTE:
Fig. 35— Bearing Adjustment N u t Removal (Typical)
9. O il Deflector
10. O il Seal
11. Hub Inner Bearing
Assembly
12. Drum-to-Hub Retaining Screw
13. Thrust Washer
14. Bearing Adjusting Nut
15. Adjusting Nut Lock
16. Gasket
10-30 CHEVROLET TRUCK SERVICE MANUAL