Chevrolet LIGHT DUTY TRUCK (SERIES 10-35) Service Manual page 353

4A-6 PROPELLER SHAFT
Fig. 4A -8~Bearing Cup Removal w ith Vise
Reassembly Fig. 4A-10
1. Position trunnion into yoke. Paritally install one
bearing cup into yoke. Start trunnion into bearing cup.
Partially install other cup. Align trunnion into cup, and
press cups into yoke.
2. Install lock rings.
Injected P lastic Type
Disassembly
Never clamp drive shaft tubing in a vise as
NOTICE:
the tube may be dented. Always clamp on one of the
yokes, and support the shaft horizontally. Avoid
damaging the slip yoke sealing surface. Nicks may
damage the bushing or cut the seal lip.
1. Support the drive shaft in a horizontal position in
ine with the base plate of a press. Place the universal joint
so that the lower ear of the shaft yoke is supported on a
1-1/8" socket. Place the cross press, J-9522-3, on the open
horizontal bearing cups, and press the lower bearing cup out
of the yoke ear as shown in figure 4A-11. This will shear
the plastic retaining the lower bearing cup.
2. If the bearing cup is not completely removed, lift the
cross and insert Spacer J-9522-5 between the seal and
Fig. 4 A - 9 ~ B e a r i n g C u p R em o va l w it h Press
LIG H T T R U C K S ER V IC E MANUAL
bearing cup being removed, as shown in figure 4A-12.
Complete the removal of the bearing cup, by pressing
it out of the yoke.
3. Rotate the drive shaft, shear the opposite plastic
retainer, and press the opposite bearing cup out of the yoke
as before, using Spacer J-9522.
4. Disengage cross from yoke and remove.
Production universal joints cannot be
NOTICE:
reassembled. There are no bearing retainer grooves in
production bearing cups. Discard all universal joint
parts removed.
5. Remove the remains of the sheared plastic bearing
retainer from the ears of the yoke. This will aid in
reassembly of the service joint bearing cups. It usually is
easier to remove plastic if a small pin or punch is first driven
through the injection holes.
6 . If the front universal joint is being serviced, remove
the pair of bearing cups from the slip yoke in the same
manner.
Fig. 4A -1 1 - P r e s s in g O u t B e a r in g Cup