Chevrolet 1977 light duty truck Service Manual page 345

Fig. 4A -1 8 -Propeller Shaft, Universal Joint and Bearing Support
A L IG N M E N T
Fig 4A-19-.Alignm ent Kev
4. Once the bearing cup protrudes 3 /8 " , release
vice. G rasp protruding portion o f cup in vice and strike
center yoke as shown in Figure 4A-22 until cup is
removed. Remove cup seal by prying off with a thin
screwdriver.
5. Repeat steps 3 and 4 for rem aining bearing cup.
6. Once the center yoke cups have been removed,
remove rear yoke h a lf bearing cups. Remove rear
trunnion.
7. Gently pull rear yoke h a lf from prop shaft.
Remove all loose needle bearings. Remove spring seal.
8. Remove front trunnion from center and front
yoke in same m a n n e r as described in Steps 2, 3 and 4.
N OTE: Before front trunnion can be removed all
four (4) bearing caps must be removed.
Assembly
*' Clean and inSPeCt
seals, fittings, trunnions and yokes. Assemble all needle
bearings in caps (27 p e r cap); assemble needle bearings
cups,
al1 n e e d le b e a r in 8 ^