Chevrolet LIGHT DUTY TRUCK (SERIES 10-35) Service Manual page 317

3C-30 FRONT SUSPENSION
FREE P O S IT IO N
L O C K P O S IT IO N
Fig. 3C-6K--Hub Key Position - T ypical
2. Assemble the inner wheel bearing cup into the wheel
hub.
a. Use J-23448 and Driver Handle J-8092 for K10,
K20.
b. Use J-22306 for K-30.
3. Pack the wheel bearing cone with a high melting
point type wheel bearing grease.
a. Insert the cone into the cup.
b. Install new grease seal into inboard end of hub. Use
J-24428 for K30.
4. After lubricating the wheel bearings, install the hub-
and-disc and the bearings to the spindle.
5. Torque the inner adjusting nut to 50 ft. lbs. while
rotating the hub-and-disc to seat the bearings. Back off the
inner adjusting nut and retorque to 35 ft. lbs. while the hub
is being rotated.
6 . Back off the inner adjusting nut again 3/8 turn
maximum.
a.
For K10 and K20
by aligning the nearest hole in lock with the adjusting nut
pin. Install outer lock nut and torque to 80 ft. lbs.
(minimum).
b For K30, assemble lockwasher and outer locknut.
Torque outer locknut to 65 ft. lbs. (minimum). Bend one
ear of lockwasher over the inner nut a minimum of 30°. Bend
one ear of lockwasher over outer nut, a minimum of 60°.
Hub assembly should have .001 to .010 inch end play,
for all K10, K20 and K30 models.
CAUTION: See CAUTION on page 1 of
this section.
7. Install the pressure spring (on K10 and K20), drive
gear, snap ring and hub cap.
LIG H T T R U CK SER V ICE M ANUAL
, assemble the adjusting nut lock
Fig. 3C-7K~Removing S pindle and T hrust W asher
SPINDLE
Removal
1. Remove the hub-and-disc assembly as outlined
earlier.
2. Remove the spindle retaining bolts.
3. Remove the spindle and bronze thrust washer by
tapping the end of the spindle lightly with a soft hammer
to break it loose from the knuckle as shown in Figure 3C-
7K. Replace the thrust washer if excessive wear has
occurred.
Servicing Spindle Components
When servicing the spindle check the spindle grease
seals (Fig. 8 K).
1. Secure the spindle in a vise by locating on the high
step diameter. Be sure that the machined surface of the
spindle will not be damaged by the vise jaws.
2. Remove the oil seal.
3. Remove the needle roller bearing.
4. Place the spindle in a vise on the high step and install
needle roller bearing.
a. Use J-23445 and Drive Handle J-8092 for K 10, K20.
b. Use J-21465-17 for K-30.
5. Install grease seal onto slinger with lip toward
spindle.
6 . Relubricate the needle bearing and the spindle end
with a high melting point type wheel bearing grease.
Installation
1 . Install the bronze thrust washer over the axle shaft
with the chamfer toward the slinger and install the spindle
as shown in Figure 3C-9K.
2. Assemble spindle to knuckle. Torque spindle nuts
to 33 ft. lbs. (45 N-m) (for K10, K20); torque to 60 ft. lbs.
(80 N-m) (for K30).
CAUTION: See CAUTION on page 1 of
this section.