GMC 1986 P-Truck Service Manual page 376

Hanger Assembly and Crossmember
Center Bearing Support
Front Propeller Shaft
Rear Propeller Shaft
Bolt
ball socket between the joints keeps a relative position
between the two joints. This centering device causes
each of the two units to operate through one half of the
complete angle between the propeller shaft and the
differential carrier (figure 4). The ball socket on a con
stant velocity universal joint requires periodic lubrica­
tion through the fitting provided.
Figure 3—Simple Universal Joint
F igure 2— C enter B earing A nd P ro p e lle r S haft D etail
PROPELLER SHAFT 4A-3
A
A. Ball Socket
Figure 4— C on stant V e lo c ity J o in t (S im p lifie d )
Retainer
Pinion Flange
Yoke and Cross
Assembly
Splined Shaft
Cap
Washer
12. Seal (Cork)
13. Nut
14. Transmission Yoke
15. Washer
Bolt
Universal Joint
Slip Yoke
B-06720
B-06813