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2. Adjust the pressure point between the piston of
the steering box and pitman arm shaft as fol lows:
a
)
Remove
the
lock
nut
for
the pitman
arm. Pull
the pitman arm off with
tool
SYO
2849. When
fitting the
puller,
turn
the
whee
ls fully
to the
right,
see Fig.
6-45.
b)
Place the steering box
in
the midd le pos ition
(co unt the number of
steerin
g whee
l turn
s).
c)
Slacken the nut for the ad justing
screw
(8,
Fig.
6-62).
d
)
Turn the ad justing screw c1 0ckwise
until
a
li
g
ht
resistance is fe lt
in
the flange device when it
is turned to the left or to the right on both
sides of the
centre
position.
e
)
Tighten
the lock nut whi le ho lding the ad justing
screw firmly.
f)
Check the ad justment by turning the steering
whee
l
severa
l
times more past the centre pos
i-
tion. In the
centre
pos ition a
sli
ght increase in
res istance
sho
uld be
felt.
g)
Set
the front whee ls
straight
forwards and
fit
the pitman arm with the steering box in the
ce ntre
positi
on. Tighten the nut to a torq ue
of
(1 7.5-20 kgm
(125-145 Ib.ft.).
V.
Test
driving
If the servo steering
is
only normally worn and is not
damaged or overloaded, the steering shoufd function
satisfactorily during the test driving, that is, the
hy-
draulic servo assistance should not be
staccatic
and
result in erratic steering.
REPLACING THE CONTROL SPINDLE SEALlNG RING
1. Dismantie the flange device by removing the two
nuts (l,
Fig.
6-62) and the screws (2). Move the
rubber disc and lower steering column section to
the one
side.
Fig. 6-65.
Removing th
e sealing
rin
g
VO LVO
103 165
Fig. 6·66.
Filling
the
sea
lin
g
ring
2.
Mark up
the
location of the flange
(3)
on the
controi spindie. Slacken
the c1amping bo lt
(4)
and
pul
l off the flange.
3. Remove the rubber cover as we il as the circlip
for
the sealing ring.
4.
Carefully app ly tool
SYO
2860 to the
sea
ling ring.
Tig hten the
screw (Fig.
6-65).
This also
tightens
the
sea
ling ring. If the ring sticks in the circlip groove,
carefully
turn the too
l
backwards and forwards
.
5.
Fill
the space between the new sea
li
ng ring lips
with multipu
rp ose g rease.
Fit th
e se
alin
g
rin
g
on
to in stall
a
tion tool
SYO 2863
with the
he lp of the
loose
guide.
Re
move th
e
guid
e a
nd fi
t
th
e sea
lin
g
ring in the
stee
ring box,
see
Fig. 6-66.
6. Fit the circlip and
cove r.
7. Re-fit the flange a ccording to the lin
e-
up marks.
Assemble
the othe
r
pa
rts.
Replacing
the
steering box
REMOVING
1.
Jack up
the
front
e nd.
2.
Drain the oil, see unde
r
"Draining the
oil".
3. Remove
the
lock nut for the pitman
arm.
Pull the
pitman arm off with tool
SYO
2849. Wh
e
n fittin
g
the puller, turn the wheels fully to the right, see
Fig
. 6-45.
4. Disconnect the oil I lines (5 and 6, Fig. 6-62) from
the steering box after the cORnections have been
c1eaned. Slacke
n the c1amping bolt (4).
5.
Remove the attaching bolts (11) and pull the
steering box forwards
.
FITTING
1. Place the steering box in the centre position. A
slight increase in resistance should then be felt
and the position of the pitman arm shaft lands
should be as in
Fig.
6-60 and the line-up marks
on the controi spindle and housing should coin
-
cide.
6
:
31
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