Chevrolet 1977 Monte Carlo, Repair Manual

Page: 67 / 428

STEERING 3B-17
11. R E M O V E A N D IN S T A L L C H E C K VALVE 13. P IT M A N S HA FT “O V E R -C E N TE R
SECTOR A D J U S T M E N T
REMOVE
INSTALL
1. Remove parts as shown
1. Install parts as shown
With small screwdriver, pry
c h e c k valve
from housing.
Care should be taken not to
damage threads when prying
on
edge of housing.
W h e n g e a r is on c e n te r
fla t on s tu b s h a ft is
n o rm a lly on s am e sid e as,
a n d p a ra lle l w ith , s id e cover.
Remove check valve
Using a piece of
3/8 tubing, 4 inches
long, carefully
drive the check
valve into the
housing.
Install check valve.
12. A D J U S T T H R U S T B E A R IN G P R E LO A D
T h e b lo c k to o th on th e P itm a n
s h a ft is in lin e w ith the
o v e r-c e n te r p re lo a d a d ju s te r -
A. Using spanner wrench
J -7 6 2 4 , tighten adjuster
plug until thrust
bearing is firmly
bottom ed, 27 New ton
M etres (2 0 Ft. Lbs.)
C. Turn adjuster in until
torque to turn stub shaft
is 0 .6 to 1.2 N ew ton Metres
(6
to 10 in. Lbs.)
m ore than reading #
1
. -------
B. B ac k o ff p re lo a d a d ju s te r
u n til it s tops, th e n tu rn
it in o n e full t u r n .- i
M e a s u re back
c o u n te rc lo c k w is e
13 m m (V
2
") a n d p la c e a
s e c o n d m a rk on h o u s in g
M a rk h o u s in g and
face of a d ju s te r
p lu g ------------------------
Torque adjuster lock
nut to 2 7 N ew ton M etres
(20 Ft. L b s . ) ----------------
W ith g e a r at c e n te r
of trav e l, c h e c k to rq u e
to tu rn stub s haft
Turn a d ju s te r
c o u n te rc lo c k w is e until
m a rk o n fa c e of a d ju s te r
lin e s up w ith s ec o n d
m a r k o n h o u s in g .-----------
U sing p u n c h in n o tch
tig h te n lo ck nut secu rely.
H o ld a d ju s te r p lu g to
m a in ta in a lig n m e n t of
th e m arks.
(re a d in g #
1
).
P re v e n t a d ju s te r s cre w
fro m tu rn in g w h ile
to rq u e in g lo ck nut.
Fig. 3B3-11C --O verhaul 8 0 0 and 8 0 8 Gears, C hart F
OVERHAUL
m a n u a l
1
;S