1973 DATSUN B110 remove seats

CHASSIS

DESCRIPTION

The
Datsun
1200

series
new
models

adopt
a

hydraulic

brake

Dis
brake
or
two

leading
shoe

type
drum
brake
is

used
for
the
front

wheels
and

leading
trailing
shoe

type

drum
brake
is
used
for
the

rear
wheels

With

adoption
of
the

disc
brake

safety
at

high
speed

range
driving
is
further

improved

For
the

master

cylinder
either

single
type
or
tandem

type
is
used

There
are
two

types
of
tandem

type
master

cylinder
one
is
for
disc

brake
and
the
other
for
drum

brake
Under
the

standard

specifications
h0wever
the

tandem

type
master

cylinder
is

used
for
disc
brake
and

single
type
is
used
for
drum

brake

The
tandem

master

cylinder
provides
a
dual

brake

system
improving
safety

The
hand
brake
is
of

a
mechanical

type
which
brakes

the
rear

wheels

through
the
control
lever

and
steel
wire

The

control
lever
is
located
between
the
driver
and

assistant
seats
and
can
be

operated
easily

BRAKE
PEDAL

The

steering
colunm
bracket

supports
the
brake

pedaL

The
brake

pedal
is
instaUed
on
the

steering
column

bracket
with
a
fulcrum

pin
The
brake

pedal
arm
and

brake
master
cylinder

push
rod
are

joined
with
a

clevis

pin
The

stop
lamp
switch

opposes
the
brake

pedal
arm

bracket
and

operates
as

the

pedal
arm
moves

t

2

3
Stop
lamp
switch

Brake

pedal
stopper

Brake

pedal
arm
4
Clevis

pin

5
Push
rod

6
Fulcrum

pin

Fig
BR
2
Brake

pedal
installation
Removal

Unhook
the
rerum

spring

Remove
the

spring
pin
from
the
clevis

pin
which
is

used
to
connect
the
master

cylinder
push
rod
to

the
brake

pedal
arm
remove
the

clevis

pin
and

separate
the

push

rod
from
the

pedal
arm

3
Remove
the

fulcrum

pin
which
is
used

to
connect
the

pedal
arm
to
the

bracket
and

separate
the

pedal
arm
from

the
bracket

@

mm
l6
qf

@

@

t

Spring
pin
5
Nut
9
Return

spring

2

Clevis

pin
6

Spring
washer
10
Brake

pedal
arm

3
Washer
7
Nut
It
Brake

master

4

Spring
lasher
8

Fulcrum
shaft

cylinder

Fig
BR
3
Brake

pedal
components

tandem

type
master

cylinder

Inspection

1

Check
sliding
parts
for
wear
and
the

return

spring
for

weakness

2
Check
the
brake

pedal
for
bending

warping
and

crack

3

Check
other

parts
for
serviceabilities

Reinstallation

Reinstall
the
brake

pedal
in
reverse

sequence
of

removal

noting
the
following
matters

1
Grease

sliding

parts
and
retum

spring
hook
with

multipurpose
grease
MIL

G
2108
or
G
10924

2

Tighten
the
fulcrum

pin
installation
nut
to
2

1
to

2
9

kg
m

15
2
to
21
0
ft
lb

BR
2

j

L

CD

1
II
r
1

P

r
4vc
V

4

I

o

@

@

c

ID

I
HEAD

REST
OPTION

When

installing
head
rest
on
front

seat
remove
the

plug
on
the
seat

back
and
insert
the
head
rest

supports

into
the
holes

Fig
BF
86
Head
rest
BODY

SEAT
BELT

The
two
front
seat
belts

are
of
a
three

point
type

consisting
of

lap
and

shoulder
belts
The
two

rear
seat

belts
are
of

a
tow

point
type
The

lap
belts
of
all
seats
are

provided
with
automatic

locking
retractor
In
the

front

automatic

locking
retaractor
a
belt

switch
retractor

switch
micro
switch
for
the

seat
belt

warning
system
is

built
in

Notes
a
DO
NOT

attempt
repairs
on

lap
belt
retractor

mechanisms

Replace
defective

part
with
NEW

service

replacement

parts

b
DO
NOT

replace
one
belt
of

lap
belt
or

shou
Ider
belt
set

r

l

Scating
switch

for

assistant

seat

2
Seat
belt
switch

3
Automatic

locking
retractor

4
Inhibitor
switch
for

AfT

5
Neutral
switch
for
M
T

Fig
BF
87
Seat
belt

installing
positions

BF
41

ENGINE
MECHANICAL

Cylinder
head
recess
diameter

For

standard
insert

Intake

Cylinder
head

recess
diameter

mm
in
For
service
insert

For
standard
insert

Exhaust

For

service
insert

Interference

fit

mm
in
Intake

Exhaust

Replacing
the
valve
seat
insert

I
Old
valve
seat
insert

may
be
removed

by
boring
up

to
such
an
extent
that
the
valve
insert
is

collapsed

The
machine

depth
stop
should
be
set
so
that

boring

cannot
be
made

beyond
the
bottom
face
of
the

insert

recess
in
the

cylinder
head

2
Select
a
suitable

valve
seat
insert

and

verify
the

outside
diameter

3
Machine
the

recess
for
the
valve
seat
insert
on
the

cylinder
head

correctly
along
the
concentric
circle
to

the
valve

guide
center
so
that
the
valve
seat
insert
is

fitted
correctly

4

Heat
the

cylinder
head
to
a

temperature
of
1500
to

2000C
3020
to
3920
F

5
Fit
the
valve

seat
insert

ensuring
that
it
beds
on
the

bottom
face
of
the

recess
completely

6
The

valve
seats

newly
fitted
should
be
cut
or

ground

to
the

specified
dimensions
as
shown
in

Figure
EM
44
37
016

to
37

000
dia
1
4576
to
I
4564
dia

37
516

to
37
500
dia

I
4766

to
1
4754
dia

33
016
to
33

000
dia
1
2996
to
1
2990
dia

33
516

to
33

500
dia
1
3196

to
1
3190

dia

0
064
to

0
096

0
0025

to
0
0038

0

064
to
0
096

0
0025

to
0
0038

I

t

v

Al

r
A2

I
onl

J

J
n
llI

lltl
I
G
llW

6

UNIT
mm

in

Al
37
016
to
37
000
dia
1
4576
to

14570
dia

A2
33
016
to
33
000
dia
1
2996
to
1
2990

dia

0
34
7
to
34
5
dia
1
3659

to
1
3581
dia

O2
28
7

to
28
5

dia

I
1299
to
1
1221

dia

1
1
3

0
0512

2
1

8
0
0709

Fig
EM

41

Valve
seat
insert

EM
13