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NABCO Make
Brake
System
@
@
REMOVAL
I
Disconnect
wiring
to
brake fluid
level
gauge
2
Disconnect front
and
rear
brake
tubes
from
master
cylinder
CAUTION
When
removing
brake
tubes
use
suitable tube wrench
Never
use
open
end
or
adjustable
wrench
Note
When
disconnecting
brake
tubes
be
sure
to
use
a
container
to
receive
draining
Iirake
fluid
Use
of rags is aI
o
suggested
to
keep
adjacent
parts
and
area
clean
3
Remove
master
cylinder securing
nut
Master
cylinder
can
then be taken
out
DISASSEMBLY
1
Remove
reservoir
caps
and filters
and drain
out
brake fluid
2
Pry
off stopper
ring
using
a
Tightening
torque
N
m
kg
m
ft
lb
@
25
to
34
2 5 to 3 5
18
to
25
@
1
5
to 2 9
0 15 to
0 3
1
1
to 2
2
screwdriver
3
Remove
stopper
screw
and take
out
stopper
primary piston assembly
spring
and
secondary pi
ton
assembly
in the
order shown
Note
Discard
caps
if
they
are
re
moved from
piston
assemblies and
use new ones
4
Unscrew
plugs
to
gain
access
to
check valve for
disassembling
Note
a
Never
detach
reservoir
tanks
If
they
are
removed for
any
reason
discard them and install
new ones
b
Do
not
remove
or
disassemble
brake fluid level
gauge
INSPECTION
Thoroughly
clean all
parts
in
a
suitable solvent
and
check them for
wear or
damage Replace
any
part that
is
faulty
CAUTION
Use
brake
fluid
to
clean
Never
use
mineral oil
BR 5
Jq
1
Reservoir
cap
2
Filter
3
Stopper ring
4
Stopper
screw
5
Stopper
6
Primary piston
7
Primary pbton
return
spring
8
Secondary
piston
9
Secondary piston
return
spring
10
ptug
11
Check
valve
12
Reservoir
BR085A
Fig
BR 6 Mast
r
Cylinder
Check
cylinder
and
pistons
for
evidence of abnormal
wear or
damage
Replace
if found
faulty
2
Check
piston
to
cyl i n der
clear
ance
If it exceeds the
specified
value
replace
either
piston
or
cylinder
Piston
to
cylinder
clearance
leu than 0 15
mm
0 0059 in
3
Check
springs
for
weakness
fatigue
or
damage Replace
if
neces
sary
4
When
master
cylinder
is
disas
sembled
be
sure
to di card
caps and
valves
Replace
any other
parts which
show
evidence
ofdeformation
wear
or
other
damage
S
Replace
damaged
oil
reservoirs
and
caps
ASSEMBLY
Assemble
master
cylinder
following
the
reverse
procedure
of
disassembly
paying particular
attention to
the fol
lowing
note
Note
a
Replace gaskets
and
packing
with
new
ones
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