GMC 1982 Light Duty Truck, Service Manual

Page: 284 / 1435

3B3-28 POWER STEERING SYSTEM
a s s e m b ly as a u n it.
S e p a ra te th e v a lv e fro m th e
N o te h o w th e p in in th e
fits th e s lo t in th e va lv e .
T H R U S T B E A R IN G
A N D R A C E S
e d g e o f s lo ts .
2. R e m o v e a d ju s te r
p lu g u s in g s p a n n e r
w re n c h J -7 6 2 4
A D JU S T E R P L IJ G -------1
w o rm
w o rm
LO C K NUT
When installing adjuster
plug care should be taken
not to cut seals.
V ALV E A S S E M B L Y
W O R M A S S E M B L Y
6. DISASSEMBLE AND ASSEMBLE ADJUSTER
PLUG ASSEMBLY
D ISA SSEM BLE ASSEM BLE
1 D is a s s e m b le p a rts 1. A s s e m b le p a rts ^
as s h o w n as s h o w n .
When reassembling gear make
sure angle o f th ru s t races are
as shown.
8. DISASSEMBLE AND ASSEMBLE VALVE
A SSEM BLE
1 A s s e m b le p a r ts
as s h o w n .
D ISASSEM BLE
D is a s s e m b le p a rts
as s h o w n .
VALVE BO DY O' RING
VALVE BODY
VALVE S PO O L
STUB SHAFT
7
\
/ / / /
^
RETAINING RING
/ / STUB SHAFT
DUST SEAL
[j^ S T U B SHAFT SEAL
*— NEEDLE BEARING
L ADJUSTER PLUG
— 0 RING SEAL
UPPER BEARING RACE (LARGE)
UPPER TH R UST BEARING
UPPER BEARING RACE (S M A LL)
TH R UST BEARING SPACER
BEARING RETAINER
— RETAINER
* Use stub shaft seal p ro te cto r
J-29810 on stub shaft when
installing stub shaft seal.
Screwdriver
— P ry b e a rin g re ta in e r
at ra is e d area.
VALVE B O D Y
R IN G (te flo n ) *
S PO O L TO BO DY 'O ' RING
* To ease assembly, soak
- , te flo n rings in warm water.
B. R em ove and in s ta ll s tu b sh a ft
S h a ft c a p
J-29810
A L o o s e n s h a ft c a p
P u ll c a p o u t a p p ro x . 6 m m (1/4")
R e m o v e b e a rin g re ta in e r.
Tap lig h tly on
w o o d b lo c k
P in o n s h a ft a n d h o le in
s p o o l (D is e n g a g e to re m o v e )
U se s u ita b le s iz e a rb o r to
p re s s b e a rin g in p la c e .
C. R e m o v e a n d in s ta ll s p o o l
R o ta te w h ile r e m o v in g o r
in s t a llin g ------
D. E n g a g e s tu b s h a ft
B e a rin g to be p re s s e d 16 m m
(s/8 m c h ) in to a d ju s te r w ith s ta m p e d
I D e n d u p a n d fro m d ir e c tio n o f
a r ro w ,
16 m m (5/s in c h )
L u b r ic a te s p o o l a n d b o d y
w ith p o w e r s te e rin g flu id . N o tc h m u s t fu lly e n g a g e
p in a n d c a p m u s t se a t
a g a in s t s h o u ld e r.
In s ta ll b e a rin g
5. REMOVE AND INSTALL ADJUSTER PLUG
ASSEMBLY
REMOVE
L o o s e n lo c k n u t.
U se p u n c h a g a in s t
INSTALL
1. In s ta ll p a rts
as s h o w n .
7. REMOVE AND INSTALL BEARING, WORM,
AND VALVE ASSEMBLY
REMOVE
1. G ra s p s tu b s h a ft an d
re m o v e v a lv e a n d w o rm
INSTALL
In s ta ll p a r ts as
s h o w n .
Fig. 3B3-59--Overhaul 8 0 0 /8 0 8 G ear, C hart D