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Fig. 6-58.
Fifling
the
p
itman
arm
s haft
VOLVO
103
158
5. Fit
the o
il
seal
(16)
in the steering cam over
(14)
w ith
th
e seal lip facing
inwards.
Fit t he
gasket,
shim,
gas
ket,
cover
and re
tainer,
see
Fig.
6-49.
The
gaskets
have
a
th ickness of
.127
mm
(.005"
)
and
the shims
are avai lable
in thicknesses of
.05,
.127
and
.254
mm
(.002, .005
and
.010"
).
Tighten
the
four bo lts to a
torque
of
1.7-2.1
kgm
(12-
15
Ib.ft. ).
6. Check the
tension with the
steering cam
hori
-
zontal.
With
co
rrect
tension, a
torque of
2.3-4.6
kgcm
(2.0-4.0
Ib.in.)
is
required
to turn the
steer-
ing
cam. The torque can
be measured w ith the
help of
a
spring
balance
and
cord round
the
steerin
g
cam shaft. The
ba lance
sho
uld g ive a
read ing of
2.6-5.2
kg
(5.7-
11
.5
Ib.).
If necessary,
adjust
by removi
ng or addi ng
shim
s
or
gas kets.
7. Turn t he
steering
ca
m so th
a
t th
e
ball nut
is
mov-
ed
to
t he lowe
r end position
.
Fit th
e
nut guide
onto th
e
ball
nut.
Lub ricate th
e
oil
sea
l
(24)
and
f it the
pitma
n arm shaft into position
.
Wh en doing
this,
protect
th
e
oil
sea
l with tool
SYO
2719,
see
Fig.
6-58.
Then turn th
e
ball nut to the centre
position
.
Fit the ga sket
(11)
and steering bo
x
cover
(12).
Tighten th
e
two bolts to a torqu
e
of
1.7-
2.1
kgm
(12- 15
Ib.ft.)
.
8. Place the spring guid
e
(6) in position but withou
t
the
springs (7).
Fit the
pape
r and steel shims as
weil as th
e
stop plate (8). The ga
skets
have a
Fig.
6·59.
Checkin
g
th
e a
xi
a
l
p la
y
6
: 28
VOL VO
103 159
thickness of
.127
mm
(.005")
and
the
shims are
available in
thicknesses of
.05,
.127
and
.254
mm
(.002,
.005
and
.010" ).
Tighten
the
three bolts to a
torque of
1.7-2.1
kgm
(1
2-15
Ib.ft.).
N.B. Check
to make
sure
that there
is axia
l
play on the pit-
man arm
shaft.
If there
is
not, the balls may be
damaged
when tighten ing.
9.
Measure
the axial
p lay (Fig.
6-59)
after
the bo lts
have b.een tig htened. Then red uce the total thick-
ness
of the shims
so
that t
here
is a
calculated
pre
-
tensioning of
.25-.075
mm
(.0010-
.0030"
).
If, for
examp
le,
the first measured play is
.05
mm
(.0020"
)
and
the thinnest
shim
.127
mm
(.0050 "),
rep lace
this
shim
with one of thickness
.05
mm
(.0020"
).
The
play will then
reduce
.077
mm
(.0031"
)
and become
a
pre-tensioning
of
.077-.05
=
.027
mm
(.0031-
.0020
=
.0011"
).
10.
Remove the stop
plate
and
the spring g
ui
de after
correct
clearance
has
been
obtained and
then f it
the springs (7). Refit
the
guide, shims and
plate.
11.
When filling with oil, place the
steering
box as
when installed in
the
vehicle, that
is,
at an ang le
of
10
°.
The
box is then filled w ith hypoid oil up
to t he fi
ll
ing ho le leve!.
Fig.
6·60
.
.
Pitman ar
m
s haft se
ttin
g
FITTING
VO LVO
103
160
l
.
Turn the steering cam to the right to the end
position and then back 2%
turns.
The steering
gear will then be in the middle position, which
can be checked on the pitman arm shaft land
covers, see Fig.
6-60.
2.
Check that the steering wheel has the position
for driving straight forwards
.
Pla
ce
the steering
bo
x
in position and fit it on to the flange. Fit and
tighten the attaching bolts
(4,
Fig
.
6-46).
Tighten
the clamping balt
(l).
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