Clutch Control, Right-Hand Steered Vehicle; Master Cylinder; Bleeding The Hydraulic System - Volvo 164, 1970 Service Manual

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Fig. 4-9.
Master cylinder
1. Cylind er
6. Co
nn
ect ion pipe
2.
Piston
fo
r flui
d contai ner
3.
Was
her
7. Pisto
n sea
l
4.
Piston
sea
l
8.
Was her
5.
Sprin
g
9. Circ
li
p
CLUTCH
CONTROl,
RIGHT-HAND
STEERED VEHIClE
MASTER CYLINDER
Rem ovin
g
1. Remove t he hose from the oI
utch
f luid
contar
i
ner
a
nd
a
ll ow
the f
lui
d to r un o
ut
in
~o
a dean vesse
l.
Disconnect the
pi
pe fro
m
the master
cyli nd er.
2. Remove
th
e bo
lt in
the c1
utch
peda
l.
Re le
a
se
th
e
bol~s
a
nd
re mov,e
th
e
master
cyHnde r.
Dismantling
l. Remove the rubbe'r cover and
t,he thrust rod.
2. Remove the
cirolip
and
take
out the
washe
r, piston,
piston
sea,
1 and
r,
e turn sp ring.
3.
Remove the
out/
e r pi ston seal from th
e
piston.
Inspecting
Oean dl
t
he parts in white
spirirt-
and check them for
wear or other damage.
Assembling
l
.
Dip the piston
s,
e als and the piston in hrake fluid.
Fit the outer sealon the piston.
2. Fit the return spring, piston sea,l, piston and
washer in the
cy,
l inder. Fit on
the
oi,rclip.
3. Fit the thrust rod and the
'
r ubber cover.
Mak,
e
sure ,that
t
he venting hole in the
r
ubher cover
taoes downwards.
4
:4
2
3
4
5
6
7
8
9
10
11
Fig. 4-10. Master cy
li
nder
1.
Rubber cover
5.
Cylin
der
9.
Rub
ber cover
2.
Ven
tin
g
ni
pp le
6. Thrust sleeve
10. Lock
nu
t
3.
Pi
sto
n
sea
I
7.
Circ
li
p
11
.
Thru st
ro
d
4.
Pi
ston
8.
Stop ring
Fitting
Fitting IS In reverse order to remova
l.
Fi ll with brake
fluid and bleed the system.
MASTER CYLINDER
Removing
Disconnect t he pipe from
th
e hose. Re
le'
a se t he hose
from t he conta iner.
Unr
hook the return spring. SIaeken
the bolts a nd lift off t he mast,e
r cylinder.
Dismantling
Remov,
e the
rubber
cover a
nd th
e
thrust
rod. T a ke
off
the circlip and aho the pisten.
Inspecting
See
unde
r
t
he heading "lnspec1ting the master cylin
-
der", whi oh
applies whe
re
rel'
e
vanr
t
.
Assembling
Dip
~he
pi ston ond sea,lin
brak,
e fluid and place the
sealon the
pis~on.
Fit the pistan in the
cylinder.
Fit
the
air
rdip
, the ithrust rod and the dust cover.
Fitting
Fitting
is
in reverse order to removal. Bleed the system
and adjust the
fre·
e travel of the c1utch
lev,
e r.
BLEEDING THE HYDRAULIC SYSTEM
Ch,eck to make sure that the f1ui'd container is fil,led
with brake fluid. Remove the rubber cap on the
bleed-
er valve on the master
cy~inder.
Fit a bleeder hose
to the va,lve and inse'rt the hose down into a con
-
tainer with brake fluid. Open the bleeder valve and
depress the c1utch pedal. Shut off the bleeder valve
while the pedal is fu,lly
I
depressed
.
Then release the
pedal. Repeat this proaedu're until fluid free from air
bubbl,
e s flows out. Fil! the container withbrake fluid.

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