Cylinder Body And Piston; Calipers; Piston; Seals - Datsun 1200 1971 Workshop Repair Manual

Brakes
DIsassembly
Remove mud and other
contamInations
from
the
caLiper
as
embly
before dlsa
sembly
DraIn bl ake fluId flOm the wheel
cylinder
Loosen the
aIr
bleeder and
depres
the
pistons
A and B
Into
the
cylInder See
FIg
125
Secure the
yoke
In
a
vIse
and
tap
the
yoke
head with
a
hammer The
cylinder body
can
then be
removed from the yoke When
remOVIng the
cylinder body
be careful
not to
allow the piston A comIng
out
from the
cylIn
der
FIg
121
TapPing yoke
head
5
I
B
Q
Retamlng
nng
J
Boot
Fig 122
Cylinder body
and piston
Remove the bIas nng from the
piston
A
Remove the
retaInIng
nngs and boots from
the
pistons
A and B
Depress
and
remove
the
piston
from the
cylin
der
Remove the
piston
seal from the
cylinder
Note Remove the
p1ston
seal
carefully
w1th
fmgers
so
that the
cylinder
wall is
not
damaged
Remove the
yoke
prIng and
yoke
bias
sprIng
from the
yoke
Inspection and
Repair
Thoroughly
clean all dIsassembled
parts
and
check them for the
follOWIng
Items
Note When
cleaning
rubber
parts use
alcohol
or
brake fluid If rubber
parts are
cleaned wIth
mmeral Oil
they
will be
detenorated
Calzpers
If the
cylInder
wall
IS
damaged
or worn
replace
If the
cylinder
wall
IS
rusted
or
foreIgn matters
are
accumulated
on
the
cylIn
der wall
carefully polIsh
wIth fine
emery
paper
so
that
the
cylInder
wall
IS
not
damaged
If rusted
or
roughened excessively
replace
Pad
See
paragraph
covenng
replacement
of
pad
PIston
Replace
If
unevenly
worn
damaged
and
or
rusted
Note The
piston slidmg surface is plated
Thus do
not
use
emery paper
although
rusted
or
foreign
matters
are
sttcked
on
the
sliding
surface
Seals
Prlmanly replace
both
pIston
and dust seals
whenever
overhauling
n