Datsun 1000 Workshop Manual page 138

Brakes
l 0
DUST BOOT
View of
Right
Hand Front Brake Shoe
Assembly with Drum and Hub Removed
4 Wash the wheel
cylinder
components
in
methylated spirits
and blow dry with
compressed
air
5 Check
the
rubber
boot and
cylinder
cup
for
deterioration
or
damage
and
renew as nec
ssary
6 Check the wheel
cylinder piston and cylinder
bore
for
wear
and
or
pitting
and
renew
the
assembly
as
necessary
7
Check the
adjusters
in the
backing plate for
wear
or
looseness and
renew as
required
8 Check the
tension
of
the
brake shoe
return
springs
by comparison
with
new
springs and
renew
as
found
necessary
TO ASSEMBLE AND INSTAL
I Lubricate the internal components
and
the wheel
cylinder bore
with clean
hydraulic brake fluid
2
Instal
the
spring spring
seat
cup
and
piston
in the
open end of the
cylinder
Ensure that the
cup is
installed
with its
lip facing
towards the blind
end
of the cylinder
3 Position
the rubber dust boot
over
the
spigot
portion
of the
piston and
over
the open
end of the cylinder
Fit
a
rubber band
lengthwise
around the
assembly
to
prevent the
piston and cup from becoming
dislodged from
the cylinder bore
4 Position the wheel
cylinder
assembly
in the
locating
hole
in the
brake
backing plate
and instal and
tighten
the retaining
bolls and
stud nuts
5 Fit the cylinder bleeder valve
where necessary
6
Repeat
operation
I
and 5 inclusive
to
assemble
and instal the other wheel
cylinder
7
Instal
the
short
connecting pipe
between the two
cylinders
and
tighten
the unions
8 Place
a smear
of high melling point
grease
on
each
of the brake shoe support pads
on
the
brake
backing plate
and
instal each brake shoe
and return
spring according
to
the
marks made
on
dismantling
9 Insert the shoe
retaining pin through
the
hole
in
the
brake backing plate
and
shoe from behind
and instal
the retaining washer and
spring turn
the top washer
through
90
deg to
lock
into
position Instal the othershoe
retaining pin washers and
spring
in
a
similar
manner
NOTE
Ensure Ihat the
brake shoe
ends
are proper
v
located
on
the wheel cylinder
pistons
and also
on
he blind
end
of
the cylinder Ensure
that
tile
brake
shoe adjusting
cams are
in Ihe
full offposilion
10 Instal and
tighten
the steel
brake
pipe
which
runs
from
one
wheel cylinder
to the
strut
bracket
union
II Instal the brake drum and road wheel
assembh
onto
the stub
axle
and adjust the
hub
bearings
as
detailed
in
the FRONT SUSPENSION
section Refit the grease
and
hub caps
12
Bleed the
hydraulic
system and
adjust
the brake
shoes lower
the front of the vehicle and road
test
139