GMC 1982 Light Duty Truck Service Manual page 371

F ig. 3 C -5 K ~ U s in g C la m p a n d Vise to C o m p re ss R eturn S p rin g
REASSEMBLE LOCKING HUB COMPONENTS
1. Snap the tangs of the cam follower ( # 2 1 ) over the flats
of the clutch gear ( # 1 7 ) .
2. Compress the conical spring ( # 2 0 ) and slide it into
position with the large diam eter of the spring located
against the clutch gear.
3. Position the clutch gear assembly over the splines of the
hub sleeve ( ( # 1 8 ) . The teeth of the cam follower
should be located at the end of the hub sleeve which has
no splines. The clutch gear and spring should slide
freely over the splines of the hub sleeve.
4. Assemble the " C " shaped retainer ring ( # 1 9 ) in the
groove of the hub sleeve.
5. Assemble a spring retainer ( # 1 4 , 16) over each end of
the return spring ( # 1 5 ) .
6. Position one end of the return spring with retainer
( # 1 6 ) against the shoulder of the clutch gear.
7. Place the spring support washer ( # 1 3 ) against the
retainer on the end of the return spring. Compress the
return spring and assemble the retainer ring ( # 1 2 ) in
the groove of the hub sleeve. Two " C " shaped clamps
may be used to retain the return spring while the
retainer ring is being assembled. Refer to Fig. 3C-4K.
8. The two " C " shaped clamps may be fabricated from
3 /8 " (9.5mm) wide by 3 /3 2 " or 1/8" (2.4-3.2mm)
thick stock. The distance between the two legs of the
clamps should be approximately 1-1/4" (31.8mm).
9. Place the components assembled in steps 1 through 7
into the outer housing ( # 1 0 ) . The cam follower should
be positioned with the two legs directed outboard.
C" SHAPED
10. Screw three of the cover screws ( # 1) into three holes of
the outer clutch housing. These screws will support the
component to permit the clutch hub to drop down so
that the tangs of brake band ( # 25) may be assembled.
11. Carefully work the plastic outer cage ( # 2 2 ) into the
outer clutch housing with the ramps facing toward the
cam follower. The small external tabs of the plastic
cage should be located in the wide groove of the outer
clutch housing.
12. Assemble the steel inner cage ( # 2 3 ) into the outer
cage, aligning the tab of the outer cage with the
" window " of the inner cage.
13. Assemble the retaining ring ( # 2 4 ) into the groove of
the outer clutch housing above the outer cage.
14. The brake band and drag sleeve are serviced as an
assembly.
In the event th a t the original lubricant has been
removed or contam inated , Part No. 14050324, or
equivalent, M U S T be used to lubricate this assembly.
DO N O T U SE any other type lubricant.
15. Assemble one of the two tangs of the brake band ( # 2 5 )
on each side of the lug of the outer cage which is located
in the window of the steel inner cage. It will be
necessary to cock these parts to engage the tangs in this
position as the drag sleeve is positioned against the face
of the cam follower.
16. Remove the three screws and rest the end of the hub
sleeve on a suitable support. Assemble the washer
( # 2 7 ) and snap ring ( # 2 8 ) above the drag sleeve.
T he following steps may be completed as hub is
assembled to vehicle.
17. Assemble the wire retaining ring ( # 9 ) in the groove in
the unsplined end of the outer clutch housing. The
tangs of the retainer ring should point away from the
splined end of the clutch housing.
18. Hold the tangs of the wire retainer together and
assemble Item # 11 over the tangs. This holds the wire
retainer ring in a clamped condition in the groove of the
outer clutch housing. For K10 and K20, assemble the
" O " ring in the groove of the outer clutch housing and
over seal bridge.
19. Assemble the bearing ( # 7 ) over the inner race ( # 6 ) .
Lubricate the bearing as it is assembled with light
wheel bearing grease. The steel balls should be visible
when bearing is properly assembled.
20. Snap the bearing retainer clip ( # 8 ) into the hole in the
outer race.
21. Assemble the bearing and retainer assembly in the end
of the hub sleeve. Assemble the seal ring ( # 4 ) over the
outer clutch housing.
22. Assemble the bearing race spring ( # 5 ) into the bore in
the cover.
23. Assemble the cover and spring assembly. Align the hole
in the cover to the holes in the outer clutch housing and
assemble the five screws.
24. For K10 and K20, assemble the 0-ring over the seal
FRONT SUSPENSION 3 C -2 9