Chevrolet 10 Series 1970 Service Manual page 164

FRONT SUSPENSION 3-16
F ig . 3 4 — In s ta llin g S pring Eye Bushing
and system s, and/or could resu lt in m a jor r e ­
p a ir expense. They must be rep laced with parts
o f the same part numbers o r with equivalent
parts if replacem ent becom es n ecessary. Do not
use replacem en t p arts o f le s s e r quality o r sub­
stitute design. Torque values must be used as
sp ecified during rea ssem b ly to assure p rop er
retention o f these p arts.
1. Using in s ta lle r adapter J-21978-2 and tools called
out in Step 3 o f re m o v a l p roced u re, in sta ll bushing
(fig . 34) with o ffs e t o f bushing at top o f spring eye as
shown on F igu re 35.
2. L o w e r v e h ic le to position spring eye in hanger.
3. In stall spring eye b olt and nut. Tighten nut to 370
ft. lbs. and lo w e r v e h ic le on hoist.
Removal w ith Spring O ff Vehicle
If bushing is rep laced with spring o ff v e h ic le , use a
p re s s , i f availab le, and adapters J-21978-1, 2 to rem ove
and rein s ta ll bushing.
7 0 0 0 # Axles
Rem oval and Installation proced u res a re the same as
outlined fo r the 5000# axle except use adapter J-21979
fo r rem o va l and in stallation o f the spring eye bushing.
T h ere is no r e s tric tio n on the installed position o f the
va l (7000# ax les) bushing as in the case of the o ffs e t type
5000# a x les) bushing (fig . 38).
1? 0 0 0 #
9 0 0 0 # - A x le s
R em ove and re p la c e fron t eye bushing using bushing
re m o v e r/ in s ta lle r J-21058 with c o r r e c t bushing adapter
plug (fig . 33).
F ig . 3 5 — In s ta lle d P osition o f O ffs e t Bushing
5 0 0 0 # AXLES
0 0 0 # AXLES
F ig . 36—S pring Eye Bushing
Front Spring Rear H anger Cam (Figure 3 7 )
On m odels so equipped, inspect cushion on spring re a r
hanger cam . R eplace if worn o r damaged.
Installation
NOTE: A ll spring attachments, including cen ter
b olts, a re im portant attaching p arts in that they
could a ffe c t the p erfo rm a n ce o f v ita l components
and system s, and/or could resu lt in m a jor r e ­
p a ir expense. They must be replaced with parts
o f the same part numbers o r with equivalent
parts i f replacem en t becom es n ecessa ry. Do not
use replacem ent parts o f le s s e r quality o r sub­
stitute design. Torque valu es m ust be used as
s p ecified during rea ssem b ly to assu re p rop er
retention of these parts.
1. P la c e r e a r o f spring into r e a r brack et and ra ise
fron t eye into hanger.
2. In stall fron t p ivot pin and nut. Tighten nut 370 lb. ft.
H eavy Duty sprin g bushings are steel-b a ck ed bronze
and must be lu bricated p r io r to in stallation o f pivot
pin.
F ig . 37—F ro n t S pring Rear H anger F lo a tin g Cam-
5000^ A x le Shown
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CHEVROLET TRUCK SERVICE MANUAL