Chevrolet 10 1971 Series Chassis Service Manual page 114

FRONT SUSPENSION 3-14
Fig. 22— Front Drive Axle
2. Wash all parts in solvent and air dry.
3. Inspect all parts for wear, cracks for broken teeth
and replace as necessary.
4. Replace all seals gaskets and "O " rings.
Installation
Lubricate during installation and assem­
NOTE:
bly of parts to assure longer life, quiet and
easier operation and to prevent deterioration
before the unit is put into service.
1. Install hub housing inner and outer cups with special
Tool J-6368 and J-23448 resp.
2. Install inner bearing race assembly and seal into the
wheel hub.
Grease seals and pack cavity behind
NOTE:
seals with recommended wheel bearing grease.
3. Install outer bearing race assembly to hub.
Fig. 23 — Removing Bearing Cups
24—
Fig. Removing Spindle and Thrust Washer
4. Install hub and outer wheel bearing cone to spindle.
5. Torque inner adjusting nut (protruding pin should be
facing outward) with special Tool J-6893 with new
torque Adapter J-23446 to 50 ft. lbs. to seat bearings.
6. Back off inner adjusting nut and retighten to 30-40
ft. lbs. while hub is being rotated.
7. Back off inner lock nut 90 (1/4 turn). Install keeper
(washer with holes) and align tang with slot in
spindle. Tighten outer lock nut to 50 ft. lbs.
Final bearing adjusting should be from
NOTE:
.001" to .010,, end play.
8. Install internal clutch gear collar and gear.
9. Install lock ring at end of axle shaft.
Assembly of Locking Hub Cap Assembly.
a. Use "O " ring lube and install the new "O " ring
in the groove of the plastic hub key knob and
insert into retainer cap.
b. Install the lock ring securing the plastic key knob
to the hub retainer cap.
Check to see that lock ring is fully en­
NOTE:
gaged into slot by pushing outward on the plastic
knob.
c. Install the slotted adjustment sleeve with the two
tabs facing downward.
d. Install the key knob retaining roll pin with knob
in "LOCKED" position.
e. Install spring.
f. Place outer clutch gear assembly on top of spring,
compcess spring and install lock ring at sleeve
end.
g. Turn key knob to "FREE" position.
Before continuing to install the exten­
NOTE:
sion housing and the assembled cap assembly,
remove the head from a 3/8" bolt 5 inches long
and use to align the assembly of parts to the hub.
10. Install above noted bolt alignment tool into one of the
hub housing bolt holes.
11. Install the new exterior sleeve extension housing
gasket and housing and the new hub retainer cap
assembly gasket and cap assembly.
12. Install alien head bolts securing the retainer cap as­
sembly to the wheel hub. Torque to specifications.
10-30 CHEVROLET TRUCK SERVICE MANUAL