Chevrolet 70 1969 Series, Руководство по ремонту

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STEERING SYSTEM 9 A -1 1
Figure 14— Steering Column and Shaft
IConv. Cab Model) ITypical)
6. Scribe a mark on steering column lower
shaft and coupling and on coupling and steering
gear worm shaft to maintain steering wheel cen­
tering with steering 'gear high point when coupling
is. reinstalled.
7. Remove retaining bolts and reinforcements.
Separate upper and lower clamp and remove wafer
type coupling.
INSPECTION
1. Inspect upper bearing for damage. The
bearing may be replaced if damaged by prying out
of housing. Press new bearing into housing.
2. Inspect directional signal and horn wiring,
connections, and control assembly. Replace if
damaged.
3. Check directional signal lever for smooth­
ness of operation and freedom from bind. Replace
defective parts.
4. Check all parts for damage or wear and
replace parts which are not in good condition.
A S S E M B L Y
1. Position flexible coupling on lower end of
shaft, then align scribe marks. Align upper coup­
ling section with holes in lower section and install
reinforcements and bolts. Tighten bolt nuts to 15-
20 foot-pounds torque.
2. Align scribe marks on upper and lower
coupling sections and install bolts. Tighten bolt
nuts to 15-20 foot-pounds torque.
N O T E : Check to make sure shoulder of bolt
is bottomed against coupling flange.
3. If previously removed, press lower bearing
into mast jacket.
4. Position directional signal control assem­
bly in housing and attach with three screws. Tighten
screws to 30-40 inch-pounds torque. Install direc­
tional signal control lever.
5. Place "Stop" clamp on lower end of upper
shaft and install bolt, nut, and lock washer loosely.
Install spring and spring seat on lower end of
upper shaft.
6. Position center cross on column upper shaft
yoke in lower shaft yoke. Install two new cork
washers, two yoke bushings, and two snap rings.
7. Move seal, seat, spring, washer, and "Stop"
clamp into position. Tighten clamp bolt to torque
recommended in "Specifications” at end oi this
section.
N O T E : Adjust "Stop" to allow 0.005” (min.) to
0.030" (max.) axial movement of shaft assembly.
3
12 Upper Shaft L o w e r Bearing
13 Pivot Bolt
5 Dust Cap
14 Steering Colum n Housing
6
Boot
15 Horn Contact & Bearing Assy
7 L o w e r Shaft
16 Screw
8
Yoke Assem bly
17 Directional Signal Control
9 Stop Clam p
Switch Assem bly
10 Spring
18 Steering W h eel Nut
11 Upper Shaft Assem bly
19 Wiring Harn ess Assem bly
Figure 15 — Steering Column and Shaft Removed fConv. Cab Modell (Typical)
CHEVROLET SERIES 70 -80 H EAVY
D U T Y T R U C K S H O P M A N U A L