GMC 1986 P-Truck Service Manual page 417

Figure 4—Compressing The Return Spring
3. Gear ( ) over the splines of the sleeve (67).
66
• Cam (70) should locate at the end of the
sleeve (67) having no splines.
Im portant
• The gear ( ) and spring (69) should slide
66
freely over the splines of the sleeve (67).
4. Stop ring ( ) to the groove of the sleeve (67).
68
5. Retainers (63 and 65) to each end of the spring
(64).
• Retainer (65) to the shoulder of the gear
66
( ).
. Retainer plate (62) to the retainer (63).
6
• Compress the return spring (64) and hold
the assembly together with clamps (figure
4).
7. Ring (61) in the groove of the sleeve (67).
• Place the assembly (steps 1 through 7) into
the clutch gear (59) and support the clutch
gear (59) above a flat surface allowing the
assembly to drop down so that the tangs of
the brake band (74) may be assembled later.
. Outer cage (71) into the clutch gear (59).
8
• The ramps of the outer cage (71) must face
the cam (70).
• Locate the outside tabs of the outer cage
(71) into the wide grooves of the clutch gear
(59).
10. Ring (73).
61. Ring
67. Sleeve
70. Cam
11. Brake band (74) tangs.
A. Clamp
B. Vs-inch
C. / -inches
1 1 4
D. / -inch
3 8
12. Spacer (76) and retaining ring (77).
13. Hub assembly to the vehicle.
F-01018
14. Ring (57) to the clutch gear (59) unsplined end.
15. Keeper (60).
16. Bearing (56) over the inner race (55).
17. Retainer (58) into the outer race (55) hole.
18. Spring (54) into the cover (52) bore.
19. O-ring seals (51) and screws (50) in the cover
FRONT AXLE 4C-7
9. Inner cage (72) into the outer cage (71).
• Align the tab of the outer cage (71) with the
" window" of the inner cage (72).
• Into the groove of the clutch gear (59) above
the outer cage (71).
Im portant
• Service the brake band (74) and drag sleeve
(75) as an assembly and be sure the original
lu b ric a n t has not been rem oved or
contaminated. Lubricant number 1052750
or its equivalent m ust be used in this
assembly.
• Place the tangs of the brake band (74) on
each side of the lug of the outer cage (71)
located in the " window" of the steel inner
cage (72). Cock these parts to engage the
tangs in this position.
• To the sleeve (67) above the drag sleeve
(75).
• Locate the tangs of the ring (57) pointing
away from the vehicle.
• Hold the tangs of the ring (57) together and
attach the keeper (60). For K10 and K20
assemble the O-ring seal (53) in the clutch
gear (59) groove and over the keeper (60).
— Lubricate the bearing (56) with light wheel
bearing grease.
— Steel balls should be visible when bearing
(56) is properly installed.
• Bearing (56) inner race (55) and retainer
(58) into the sleeve (67).
• Align cover (52) screw holes with the screw
thread holes in the clutch gear (59).
(52).
• The hub sleeve (67) and attached parts
should turn freely after assembly.
Tighten
• Screws (50) to 5.1 N m (45 in. lbs.).
Important
• The five cover screw s (50) m ust be
loosened (three or four turns) and then