7
Remove
the
brake
disc
installation
bolt
and
remove
the
brake
disc
from
the
spindle
8
Disassemble
the
wheel
cylinders
Inspection
l
Drums
If
they
show
score
excessive
out
of
round
and
so
forth
reconditioning
by
machining
is
required
Brake
drum
inner
diameter
203
2
mm
8
00
in
Drum
inside
out
of
roundness
Below
0
02
mm
0
0008
in
Max
allowable
drum
inner
diameter
204
5
mm
8
051
in
2
Linings
If
brake
shoe
linings
are
incomp1etedly
seated
soiled
or
greasy
or
deteriorated
due
to
excessive
heating
repair
or
replace
them
If
the
thickness
of
the
lining
is
less
than
1
5
mm
0
0591
in
replace
it
Note
a
If
oil
or
grease
is
found
on
linings
clean
thoroughly
with
carbon
tetrachloride
or
gasoline
b
After
installing
and
bonding
lining
grind
the
lining
face
to
a
diameter
equal
to
the
brake
drum
3
Check
the
adjusting
cams
for
their
smooth
operation
4
Return
springs
If
they
are
considerably
weak
replace
them
Return
spring
dimension
Wire
diameter
x
free
length
turns
3
2
x
118
mm
20
5
0
1260
x
4
65
in
20
5
Load
x
length
55
kg
I21
lb
x
127
1
mm
5
00
in
13
4
0
528
ilL
rnv
0
t
6
hl
03
118
4
65
FREE
LENGTH
UNIT
mm
in
Fig
BR
J
7
Return
spring
BRAKE
5
Check
the
brake
disc
for
distortion
6
Check
the
bore
of
the
wheel
cylinder
for
wear
sign
of
rust
and
damage
If
clearance
between
the
cylinder
and
the
piston
exceeds
0
15
mm
0
0059
in
replace
them
Fig
BR
J
8
Sectional
view
of
front
wheel
cylinder
7
When
the
wheel
cylinder
is
overhauled
it
is
recom
mended
that
cups
be
replaced
even
if
apparently
they
are
in
satisfactory
conditions
Cups
must
be
replaced
if
deformed
due
to
damage
crack
corrosion
smelling
andf
or
aging
Reassembly
and
reinstallation
The
rear
brake
is
reassembled
and
reinstalled
in
reverse
sequence
of
disassembly
and
removal
However
note
the
following
matters
When
assembling
the
wheel
cylinder
be
sure
to
apply
rubber
grease
to
the
piston
cup
and
other
rubber
parts
slightly
2
When
installing
the
wheel
cylinder
to
the
brake
disc
apply
brake
grease
to
the
cylinder
disc
and
adjusting
plate
sliding
surfaces
and
to
the
wheel
cylinder
lever
fulcrum
portion
sufficiently
so
that
the
wheel
cylinder
slides
smoothly
BR
9
