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REAR BRAKES (Discs)
brake
clearance), and it pushes the lat-ter, which
aprlies the brake shoes
against
the disc.
when
the hand brake is released, Belleville washers
(J)
return the threaded head
(C)
and adjustment
screw (H)
assembly
to its initial position.
Piston
(E)
returns to its
position
under the
eff
ect
of
sealing
ring
[F).
On
the other
hand,
to compensate for the
play
resulting from lining wear, a
mechanism
provides an
automatic adjustment
system for the hand brake
nechanical control inside the
hydraulic
cylinder.
Principle:
The amount of play existing between bearing
washer
(L) and ball thrust bearing (D)
corresponds to the function
al
clearance betAeen
the
disc
3nrl brake
shoes
(the bearing washer i
s
held in
a
piston groove,
and
re
tained by
snap-
rino (G).
·
. :h en
hydrauli
c
pressure
i
s
apr
lied:
- If this
play
i
s
equal
to the
displacement of
the piston, or greater,
noth
ing happens.
-
If this
play
i
s
les
s
t
h;:n
t he
displ
acement
of
the
piston,
bea
rin9
~:asher
(L
)
pus hes ba
ll
tnrust
bee1rin9
(D).
The
la
tt er,
by friction,
loosen
s
t
hrearleri
head
(C)
on adjustme1t
sc
r
ew
(H)
unti
l
the
piston
d'
sp
l
acemen
t
i
s
rli scodi
nued
•
. '
:
1 cn
hydraulic
1
}ressure is
cancelled,
piston
(E)
r Ptums to its
[lo:>ition
un
der
th
e
effP.ct of rir()
seal
(F),
1nd
rlrivrs
be::tring
•.v:lSil ::!l'
(L
]
over
3.
di
s
t~nce
corrrsronrling
to th
e
function al
clear~n
ce
be
tno
an
the
rllsc
a
~rl
shoe
br
2kss
.
Thre0ded
head
(C), which
cann
ot turn in th'.:
opposite direction to
t 1 1c
loosening
eff ect
owi
ng
to the effect
of
;leli
:
al
sprinQ
(8)
ret«lned
i
n
a
recess
in the piston, remains In
t~e
S<Jr..a
pos
i
ti
an
.
Owing to the
function. of
t:1is
systcn, as
lining
wear
is i ncr
easing with
+he
pis
ton
~ovin
g
out
of
th
e
bor~ o
ve
r
~
nrJgressiv
ely
g
rc~te
r
distance,
the thr e3ded head is
a
utouati~ally
un
sc
r
c~cd
to
increase
t~e
l
ength
of
the
t~readed
head
(C)
and
2rlju
s
tm
cnt
scr8w
(H
)
:~ssen
bl
y,
;,
w J
t:J
is
rrcv.<nts
th
e
h:m.J
br
olK
C r. ! achanical control
in si
r!e
th2
hydraulic cylinder from
be
ing
p11t
nttt
d
0r·!~r
.
J4
/I
3
Note:
T~e
hand
brake
mechanical control
i~si
d
c
t
he
h yd
rau
1 i c
c y 1 i nd e r c
a
:1
on
l
y
o
p
c
ra t8
i
f:
th
e play
between
shoe
br2k
es
and di
sc
is
reduced
to the functi
onal
clearance.
r~
"l
ake
sure
cf
this, before
usin
g
the
hand
brake,
actuate
the brake
peual
s
o
that,
under
th
c
effect
of
hydraulic
pressure, t
he
auto~atic
·
adjustment
mechanism ca:1
fulfil its funct
ion
.
This
app
lies when
brake
sho
es are
being
rep
laced;
when
op~r2tions
have
been
carried out
0n
one
or
several hydnulic cylinders,
the
system
must
first
~
e
bled to enable
t he
automatic
ad jusber.t f.SC!Jani
s::~
to :>p::?rate under
t
he
effect
af hydraulic pressure.
Reprint or !rOn$lation, even
partial,
is
strictly prohibited without written permiuion from CHRYSLER FRANCE
CHRYSLER
160- 160 GT- 180
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