Chevrolet 10 1971 Series Chassis Service Manual page 130

REAR SUSPENSION AND DRIVE LINE 4-10
1. Universal Joint Yoke
2. Pinion Bearing O il Seal
and Retainer
3. O il Seal
4. O il Seal Gasket
5. Front Pinion Bearing
pinion which is supported at the rear by a straight roller
bearing. The pinion front bearing consists of a double
row ball bearing.
The differential is a conventional four-pinion type.
Thrust washers are used between the side gears and
case and also between differential pinions and the dif­
ferential case.
A thrust pad mounted on the end of an adjusting screw
Fig. 17— 11,000 lb. C apacity Axle Cross Section— Series 30
6. Drive Pinion 11.
7. Rear Pinion Bearing
8. Ring G ear Thrust Pad 12.
9. Ring G ear 13.
10. Differential Spider 14.
Differential Pinion (Spider)
G ear
Differential Side G ear
Differential Case - Left Half
Axle Shaft
threaded into the carrier housing limits deflection of the
ring gear under high torque conditions.
Involute splines are incorporated in the axle shaft
flange and in the wheel hubs.
This design provides for the driving torque to be trans­
mitted from the axle shaft to the hub through the mating
splines.
15. Differential Bearing
16. Differential Bearing Adjusting
Nut
17. Adjusting Nut Lock
18. Differential Case - Right Half
10-30 CHEVROLET TRUCK SERVICE MANUAL