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Fig. 4·6.
Release components
l
. Re
lea
se
bearin
g
4.
Return
spring
2.
Release fork
5.
Wa
she
r
3. Re lease
s haft
and
lever
6. Circlip
REMOVING THE CLUTCH
l. Remov·e the gearbox in accordance
wi,
t h the in-
s.trucf1ions
given
in
Gro
up
43.
2. Slacken
the
bolts
holding
the c1utch to the flywheel
by
loosening
them
crosswise a couple of turns at
a -time to prevent warping. Remove
the
c1utch and
c1utch plate.
RECONDITIONING THE RELEASE
COMPONENTS
1.
Remove the
bolt in
the
release fork. lake
out the
release beariong.
Pul,
1
out the rel,ease
shaM.
2.
Drive out the ol,d
bushes
with
a suitable
drift.
Press
in
the new
bushes.
3. Coat a thi'n I ,ayer of grease
on
the
sleeve
of the
re'lease
bearing
and <then
,in
stall the bearing
in
position.
4. Hold the release fork in
i,
t s place
and
in
sert
the
release shaft.
REPLACING THE INPUT SHAFT
PILOT BEARING
1.
Remove the cir-cli.p for the bearing.
Pull out
the
bearing with puller
SYO 4090.
2. Pack the bearing with .heat-resistant
gre·
a se.
Then
fit
it
with the help of drift
SYO
1426.
Fit
the
cir-
clip.
INSPECTING
Check the c1utch thoroughly. The pressure
plate shou ld
be
checke-d
for heat damage,
cracks, scO'ring
or
other
damage to the
fr
iction
surface. Check the curvature
of
the pressure
plalte
with a
240
mm
(9.45")
long steel
VOLVO
102087
Fig. 4-7.
Checking the curvature of
the
pressure
plate
Fig. 4-8.
Fitting the
clutch
ru ler,
which is placed
diagona
lly
over the friction
surface
of
the
pressure
pla.te. Then measure
the di
-
stance
between
the straight edge
of the
ru ler and
the inlner
-d iameter of
the
pressure plate. This
measure
-
ment
mus,
t not
exceed a
maximulm of .03 mm
(.0012"),
see A Fig. 4-7. There
must be
no
"crowning", that is,
clearance between
the straight edge
of the
wl·er
and
the
outer
diameter
of
the preSSUf'e
plate.
The
check
shoul1
d
be
carried
out
at seve·ml
points.
FITTING
Before fitting, check that the
dutch
fac
ings,
the fly-
wheel
and the pressure plate
are completely f.ree
from oi!.
Wash
them
w.ith clean petro.I
(g asO'lin e)
and
wipe
off
weil with a clean piece of cloth.
1.
Set
up the clutch
plate (the
longest
side
of the
hub
facing
backwards)
together
r
with the clutch
against
the
flywheel and
insert the
centering
mandrel
SYO 2824 so
that the
guide
journal
on
th is oentres the
p'
i lot beariong in the
flywheel,
se'
e
Fig. 4-8.
2.
P,la,
c e
in
the
,
s ix
bolts which hold the dutch and
tighten
them crosswise
a
couple of turns at a time.
Remove
the
centering
mandre!.
3. Fit the gearbox accord
ing
to the
instructions
given
in
Group
43. Adjust the
c1utch pedal play.
4:3
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