dashboard DATSUN 510 1969 Service Repair Manual

HAND
BRAKE
Removal

The
mechanical
handbrake

linkages
are
shown
in

Figs
L
21

1
22
and

1
23

1400
and
1600cc
models

Front
cable

Release
the
hand
brake
and
disconnect
the
front
cable

by

removing
the
clevis

pin
from
the
lever
Unscrew
the

adjusting

nut
from
the
rear
of
the
front
cable

Fig
L
24
Remove
the

cable
from

the
hand
brake
lever

Remove
the

clamp
holding
the
cable
to
the
under
body

Pull
out
the
lock

plate
holding
the
front
cable
to
the
retainer

and
completely
withdraw
the
cable
Withdraw
the
cable

by

unfastening
the
outer

casing
which
is

pressed
into
the
handbrake

control
bracket

Handbrake
lever

Fig
1

25

Remove
the
clevis

pin
connecting
the
lever

yoke
and
lever

Remove
the
clevis
pin
connecting
the
control

guide
and
the

control
bracket
Lift
out
the
handbrake

assembly

Rear
cable
Saloons

Remove
the

adjusting
nut

from
the

adjuster
Fig
L
26

and
disconnect
the
left
hand
rear
cable
from
the
handbrake

adjuster
Pull
out
the
lock

plates
and
remove
the
clevis

pin

connecting
the
cables
to
the
levers
of
the
rear
wheel

cylinders

Rear
cable
Estate
car
and

rigid
axle
saloon

Remove
the
clevis

pin
from
both
ends
of

the
rear
cable

Remove
the
connecting
rods

by
extracting
the

puU
off
springs

and
clevis

pins

1800cc
models

Handbrake
lever

Disconnect
the
terminal
from
the
hand
brake

warning

switch
Remove
the
nuts

securing
the
control
bracket
to

the

dashboard
Pull
out

the
lock
pin
and
cotter

pin
and
withdraw

the
handbrake
lever

assembly

Front
cable

Remove
the
return

spring
and
loosen
the

adjuster
10cknuL

Detach
the
front
cable
from
the
handbrake
lever
Remove
the

nuts

securing
the
cable
to
the
dashboard

Fig
L
27
and
with

draw
the
cable
towards
the

engine

Rear
cable
Saloon

Disconnect
the

cable
at
the

adjuster
and
detach
the
return

spring
from
the
centre
lever

See
Fig
L
28
Remove
the
cable

lock

plates
from
the
rear

suspension
Remove
the
clevis

pin

attaching
the
cable
at
the
rear

wheel

cylinder

Rear
cable
Estate
car

and
Van

Unfasten
the

pull
spring
and
remove
the
clevis

pins
at
the

balance
lever
and
wheel

sides

Fig
L
29
Detach

the

connecting

rod
Remove
the
nut

securing
the

connecting
rod
balance
lever

and
the
lever
from
the
rear
axle

housing
HANDBRAKE
Installation

Check
the
cables
for

signs
of
deterioration

fraying
etc

Examine
the
handbrake
lever
and
ratchet
for
wear
and
renew

as

necessry

Check
the

springs
for
evidence
of
weakness
and
make
sure

that
the
balance
lever
and
bushes
are

satisfactory

Installation
is
a
reversal
of
the
removal
procedure
Make

sure

that
all
sliding

parts
are

greased

Adjust
the
hand
brake
in
the

following
manner

Release
the
hand
brake
and

adjust
the
rear
brake
shoes
as

previously
described

The
1400
and
1600cc
Saloon
handbrake
is

adjusted
to

give
a
lever
stroke
of
85
95mm
3
34
3
74
in

by
setting

the

adjusting
nuts

Fig
L
24
The
lever
stroke
on
the
estate

car
should
be

adjusted
to
50
75mm
2
0
3
0
in

by
turning

the

adjuster
shown
in
Fig
L
30

Adjust
the
1800cc
models
to

give
a
handbrake
lever
stroke

of

90
100
mm
3
5
3
9in

by
turning
the

adjuster
2
in

Fig
L

28

Retighten
the
locknut
after

adjusting

BLEEDING
THE
HYDRAULIC
SYSTEM

The
hydraulic
system
must
be
bled
if
the
circuit
has
been

opened
at

any
point
or
if

the
level
of
the
fluid
in
the
master

cylinder
reservoir
has
fallen
too

low
allowing
air
to
enter

the

system

Bleeding
is

usually
a
two
man

operation
as
assistance
will

be

required
to
work
the
brake

pedal
The
master

cylinder

reservoir
must
be

topped

up
constantly
throughout
the

operation

whilst
a
check
is
carried
out
on

the
fluid

expelled

Bleeding
should
be
carried
out
at
the
master

cylinder
nrst

then
from
the
brake
furthest

away
from
the
master

cylinder

and

working
round

finally
to

the
brake
nearest
to
the
master

cylinder
Bleeding
should
therefore
be
carried
out

in
the
follow

ing
order
Rear
left
wheel
rear

right
wheel
front
left
wheel

front

right
wheel

Oean
the
area
round
the
master

cylinder
cover
take
off

the
cover

and

top
up
the
reservoir
if

necessary
Clean
the
rele

vant

air
bleed
screw
and
take
off
the

cap

Attach
a
suitable
hose
to
the
bleed
screw
and

place
the

free
end
of

the
hose
in
a

glass
jar
containing
brake
fluid

Open
the
bleed
screw
and

depress
the
brake

pedal
to
allow

the
fluid
to
enter
the

glass
container

Tighten
the
bleed
screw

when
the

pedal
is
fully
depressed
and
allow
the

pedal
to
return

Repeat
the

procedure
until
the
fluid
is

completely
free

from
air
bubbles
then

carry
out
the
same
operation
on
the

other
three
wheels

Top
up
the
fluid
in
the
reservoir
to
the
correct
level
but

do
not
re
use
the
fluid

previously
withdrawn
from
the

system

105