Chevrolet 1988 Light Duty Truck Repair Manual page 126

3B3-12 POWER STEERING
5. REMOVE AND INSTALL ADJUSTER PLUG
ASSEMBLY
REMOVE
1. Loosen lock nut.
Use punch against
edge of slots.
2. Remove adjuster
plug using spanner
w rench J-7624.
ADJUSTER P L U G ------\
6. DISASSEMBLE AND ASSEMBLE ADJUSTER
PLUG ASSEMBLY
DISASSEMBLE
1. Disassemble parts
as shown.
Remove bearing retainer.
Drive bearing
and seals
from adjuster.
( t-A D JU S TE R PLUG
Remove bearing and seals.
Figure 26— Removing and Installing the Adjuster Plug Assembly
INSTALL
1. Install parts
as shown.
LOCK NUT
NOTICE:
When installing
adjuster plug care should
be taken not to cut seals.
ASSEMBLE
1. Assemble parts
\( \
as shown.
/ / / / ^RETAINING RING
/ / STUB SHAFT
DUST SEAL
L STUB SHAFT SEAL
— NEEDLE BEARING
L ADJUSTER PLUG
'- " 0 " RING SEAL
UPPER BEARING RACE (LARGE)
UPPER THRUST BEARING
UPPER BEARING RACE (SMALL)
THRUST BEARING SPACER
BEARING RETAINER
— RETAINER
Screw driver
Pry bearing retainer
at raised area.
1
Driver J-7079-2
Installer J-8524-1.
A Ko use fo r seal
installation after
bearing is in place.
-B earing w ith
iden tification
tow ard tool.
I * - ADJUSTER PLUG
I_____________I
Install bearing and seals.
7. REMOVE AND INSTALL BEARING, WORM,
AND VALVE ASSEMBLY
REMOVE
1. Grasp stub shaft and 1. Install parts as
remove valve and worm
assembly as a unit.
Separate the valve from the worm
Note how the pin in the worm
fits the slot in the valve
THRUST BEARING
AND RACES
NOTICE:
When reassembling
gear make sure angle of thrust
races are as shown.
8. DISASSEMBLE AND ASSEMBLE VALVE
DISASSEMBLE
1. Disassemble parts
1
as shown.
VALVE BODY "0" RING
VALVE BODY
VALVE SPOOL
STUB SHAFT
SPOOL TO BODY "O' RING
-Shaft cap
A. Loosen shaft cap
B. Remove and install stub shaft.
Pull cap o u t approx. 6 mm(V4")
Tap lightly on
w ood block
u
C. Remove and install spool
D. Engage stub shaft
Rotate w hile rem oving or
installing
Lubricate spool and body
w ith pow er steering fluid.
INSTALL
shown,
VALVE ASSEMBLY
WORM ASSEMBLY
ASSEMBLE
Assemble parts
as shown.
VALVE BODY
RING (teflon)
Pin on shaft and hole in
spool (Disengage to remove)
Notch m ust fully engage
pin and cap m ust seat
against shoulder.
F-05862