Chevrolet 70 Series 1970, Service Manual

Page: 278 / 841

REAR SUSPENSION 4-65
.*•13 14 13-^, ^ 3
EATON 17121, 17221, 30DSC, AND 34DSC AXLES
ROCKWELL SLHD, H I62, H362, L I 62, AND L362 AXLES EATON 18121, 18221, AND 19221 AXLES
1 Axle Shaft
2 Shaft-to-H ub Stud
3 Lock Nat
4 Lock Nut
5 Nut Lock
6 Bearing Adjusting Nut
7 Outer Bearing Cone
and R o lle rs
8 O uter Bearing Cup
9 Hub
10 Wheel Rim Clamp
11 Stud
12 Nut
13 Wheel R im s
ROCKWELL SQHD AXLE
14 Wheel Rim Spacer
15 Brake Drum
16 Bolt
17 Oil Shield
18 Inner Bearing Cup
19 Inner Bearing Cone
and R o lle rs
20 Inner Oil Seal
21 Oil Seal Sleeve
22 Lock Ring
23 O uter Oil Seal
W iper
24 O uter Oil Seal
25 Dowel
T-6858
Figure 3 —Rear Hubs and Bearings (with Cast-Type Wheels)
7. Remove inner oil sea l fro m wheel (hub) and
drum assem bly; then rem ove inner bearin g cone
and ro lle r assem bly fro m hub. D iscard oil se a l.
8. Clean, inspect, and re p a ir p a r ts as d e s c rib ­
ed la te r in th is section.
INSTALLATION (F ig s. 2 and 3)
A fter com pleting "Cleaning, Inspection, and
R ep air" o perations d esc rib ed la te r in th is section,
lu b rica te b ea rin g s, axle housing tube, and inside
of hub as d esc rib ed in LUBRICATION (SEC. 0) of
th is m anual. Coat lip of inner oil se a l and su rface
contacted by lip with wheel bearing g re a s e o r equiv­
alent.
1. Position inner bearin g cone and r o lle r a s ­
sem bly in hub o r wheel (hub) and drum assem bly.
Coat oil sea l b o re in Aub with a thin la y e r of non­
hardening sealing compound.
2. Using suitable tools, in sta ll oil se a ls as
follows:
a. P re ss sea l into hub until shoulder is against
outer edge of hub. Lip of oil seal goes into hub f ir s t
(see fig s. 2 and 3).
b. Wipe ex cess sealing compound out of hub.
Make s u re no sealing compound gets on lip of oil
s e a l.
3. Make su re oil sea l sleeve (if used), is in
place on axle housing tube.
4. In stall wheel hub and drum assem bly o r hub
assem b ly on axle housing tube. Use c a re not to
dam age the in ner oil seal.
5. Place outer b earin g cone and r o lle r a s s e m ­
bly on axle housing tube and p r e s s firm ly into
place with fin g e rs. In stall b earing adjusting nut.
6. Install b rake drum (if rem oved). Install
ti r e and rim assem b ly o r t ir e and wheel assem bly .
CHEVROLET SERIES 70-90 HEAVY DUTY TRUCK SHOP MANUAL