key DATSUN PICK-UP 1977 Owner's Manual

Body
Electrical

System

Horn
switch

The
horn
switch
is

integral
with

the

turn

signal
and
dimmer
switch
as

sembly
Remove
switch

assembly
as

outlined
in
Turn

Signal
and
Dimmer

Switch

IGNITION
SWITCH
BE861A

Fig
BE

3
I

Removing
ignition
switch

REMOVAL
AND

INSTALLATION

I
Disconnect

battery
ground
cable

from

battery

2
Unscrew
and
remove
escutcheon

from
the
front
of

ignition
switch

3
Withdraw

ignition
switch
and

wiring
assembly
with

spacer
from

shell
cover
as
shown
in

Figure
BE
3

4

Disconnect
wiring
connector

from
the
back
of

ignition
switch

5

Replace
ignition
switch
with
a

new
one

6
Connect

ignition
switch
to

wiring

connector

7

Position

ignition
switch
to
shell

cover

opening
install
and

tighten

escutcheon
and
secure
ignition
switch

to
shell
cover
R
terminal

1G
terminal

ST
terminal

B
terminal

8E

22
1

Voltage

regulator

2
Horn

relay

3

Headlamp
relay

4

Ignition
relay
California

only

5

Auto
choke
heater

relay

6

Compressor
relay

Au
conditioner

equipped
model

7

Floor
sensor

relay
California

only

8
Inhibitor

relay
Automatic

tran5mission

only

INSPECTION
BE683B

Fig
BE
30

ContInuity
test

Test

continuity

through
ignition

switch

by
using
test

lamp
or
ohm

meter

C

A
terminal
TERMINAL
0

F

F

B

IG

ST

A

R
KEY

FOSITlON

t

1

o

j
u

u

I

I
A

C

C

Fig
BE

32

Ignition
witch
BE6848

SEAT
BELT

WARNING
SYSTEM

DESCRIPTION

Except
Canada

When

the

ignition
switch
is
turned

to
the
ON

position
the

warning

lamp
comes
on

and
remains
on
for
4

to
8

seconds
The

warning
buzzer

sounds
for
4

to
8
seconds
intermittent

ly
if
the
driver
s
seat
belt
is

not

fastened

properly

The
seat
belt

warning
system
con

sists
of
a
driver
s
belt
switch
a

warning

buzzer
a

warning
lamp
a
timer
unit

and
an

ignition
switch

For
Canada

When
the

ignition
switch
is
turned
Body
Electrical

System

to
the

ON

position
the

warning

lamp
comes
on
and
the

warning
buz

zer
sounds
if
the
driver

s
seat
belt
is

not

fastened

properly

The
seat
belt

warning
system
con

sists
of

a
driver
s

belt
switch

a

warning

buzzer

a

warning
lamp
and
an

igni

tion
switch

REMOVAL
AND

INSTALLATION

Ignition
switch

Refer
to

page
BE
22

for
Removal

and
Installation

Timer
unit

Timer
unit
is
fIXed

on
a
reinforce

ment
behind

glove
box

BE688B

I
Disconnect

battery
ground
cable

2
Remove

glove
box

3
Disconnect
timer
unit

connector

4
Remove
two
screws

retaining

timer
unit
on
reinforcement
Timer

unit
can
then
be
taken

out

S

Installation
is
in
the
reverse
se

quence
of
removal

Warning
buzzer

Warning
buzzer
is
fIxed

on
a
re

inforcement
behind

glove
box

Refer
to
the

preceding
timer
unit

for
Removal
and
Installation
BE282B

Fig
BE
54
Timer
unit

BE967A

Fig
BE
55
Warning
buzzer

Driver
s
seat
belt
switch

I
Remove
seat
belt

ecuring
bolt

2
Disconnect
belt
switch
lead
wire

at
connector

3

Seat
belt
can
then
be
taken
out

4

Installation
is
in
the

reverse
se

quence
ofremoval

BE
31
Warning
lamp
body

Warning

lamp
is

located
on
instru

ment

panel

I
Remove

cluster
lid

2
Disconnect

lead
wire

at
connee

tor

3
Remove

two
screws

retaining

lamp
body

4

Installation
is
in
the

reverse
se

quence
of
removal

WARNING
LAMP
BULB

REPLACEMENT

I
Remove
cluster

lid

2
Twist

warning
lamp
socket

Socket
with
bulb

can
then
be
taken

out

3

Pick

up
bulb

from
socket

4
Install
new
bulb
in
the
reverse

sequence
of
removal

Bulb

wattage

Seat
belt

warning
lamp
I
7W

INSPECTION

Warning
buzzer

Apply
12V

direct
current
between

CD
and

@
and
check
whether
buzzer

sounds
or
not

The
buzzer

must
sound
when

CD

and

@
are
connected
to

power

circuit
See

Figure
BE
55
for

warning

buzzer

Note
Make

sure
that

negative

terminal
of

power
circuit
is

always

connected

to

@
terminal

Timer
unit

Turn

ignition
key
to
the

ON

position
The

voltage
between

@
and

ground
must
be
12V
for
4

to
8

seconds
and
then

go
out
See

Figures

BE
54
and
BE
56

Belt
switch

Test

continuity
between
two
lead

wires
from
seat
belt
switch
with
ohm

meter
or
test

lamp

2
Install
the
clutch

assembly
on
the

crankshaft

Note

Key
should
be

set
on
crank

shaft
before

installing
clutch
assem

bly

3

Using
Clutch

Spanner
Wrench

hold
clutch
hub
With

socket
wrench

secure
clutch
hub

securing
bolt

Tightening

torque

Clutch
hub

securing
bolt

1
5

kg
m

II
ft
lb

DISASSEMBLY

1
Remove
two

snap
rings
retaining

bearing
They
are

located
inside
of

clutch
wheel

AC500

Fig
AC
54

Removing

snap
rings

2

Using
Clutch
Wheel

Remover

KV99100700
and
conventional

puller

remove
V

pulley
with

bearings
from

clutch
wheel

KV99100700

AC501

Fig
A
C
55

Removing
clutch
wheel

bearings

3

Using
Bearing
Remover

ST33061000

press
clutch
wheel
bear

ings
out
from
clutch
wheel
Air

Conditioning

9

AC502

Fig
AC
56

Removing
V

pulley
from

clutch

ASSEMBLY

I

Press

bearings
into
V

pulley
with

Bearing
Installer
ST02371000
ST02371000

AC503

Fig
A
C
57

Installing
bearin

2

Install
outer

snap
ring
in

groove

of
V

pulley

3

Using
Installer
KV99100610
and

Stopper
ST33061000

press
clutch

wheel
into
V

pulley

4

Install
inner

snap
ring
in

groove

of
clutch
wheel

t

INSPECTION

Check
friction
surface
of
clutch

for

damage
due
to
excessive
heat
or

excessive

grooving
due
to

slippage
If

necessary
replace
clutch
wheel
and

V

pulley
as
a
set

2
The

clearance
between
V

pulley

and
clutch
wheel
should
be
0
4
to
0
6

mm
0

016
to
0
024
in

If
not

replace
clutch
wheel
assem

bly

AC
35
Installer

KV99100610

2

Stopper

ST33061000

AC504

Fig
AC
58
Installing
clutch
wheel

3
Oil

or
dirt
on
friction
surfaces
of

clutch
wheel
and
V

pulley
should
be

cleaned
with
a

clean
lint
free
cloth
or

suitable
solvent

4

Check
coil
for
shorted
or

opened

lead
wire

Pay
particular
attention

to

grounding
part
of

coil
If
there
is
no

continuity
replace
electromagnetic

coil

AC506

Fig
AC

59

Grounding
point

of
coil

5

If
clutch

assembly
must
lie
re

placed
remember
that

break
in

opera

tion
is

necessary
The
break
in

opera

tion

consists
of

engaging
and

disengag

ing
the

clutch

some

tirty
times

SHAFT

SEAL

ASSEMBLY

The

shaft
seal

assembley
of

this

compressor
is
of
a

simplified
design

yet
tight

sealing
and

long
lasting

REMOVAL

It
is

recommended
that
the

com

pressor
be
removed

from
the

vehicle

for

shaft
seal

replacement

I
Remove

oil
filler

plug
with
D

ring

and
drain

the

compressor
oil

Fig
AC

60

Removing
filler
plug

2
Remove

clutch
Refer
to

Com

pressor
Clutch

Removal

3

Remove

shaft

key
Air

Conditioning

jpL

Y
L

I
i
0

I
I

0

Ace07

Fig
AC
61

Removing
s
wft

key

4

Remove
seal

plate

AC80e

Fig
AC

62

Removing
seal

plate

5

With
the

Compressor
Seal

Puller

pull
out

seal

gland
and
discard

Notes

a

Discard
all

parts
of
the
seal

includ

ing
the
O

ring

b
Do

not
use
a

screwdriver
to

pry

shaft
seal
from
shaft

as

damage
to

shaft

may
result

AC809

Fig
A
C

63
Removing
s
wft
eal

INSTALLATION

1
Clean

shaft
and
seal

cavity
with

clean

lint
free
cloth

2

Dip
seal

gland
in

clean

refrigerant

oil

AC
36
3

Push
seal

assembly

except
carbon

ring
over
end
of
shaft
with

carbon

ring
retainer

facing
out

4
Move

seal

assembly
into

position

on
shaft

1

I

Fig
AC
64

Inserting
wft
al

ass

mbly

5

Place
carbon

ring
in

ring
retainer

so
lapped
surface
is

facing
outward

Note

The
indentions
in
outside

edge

of
carbon

ring
must

engage

driving

lugs
and
be

firmly
seated
in

re

tainer

6
Install
new
D

ring
in

groove
of

seal

plate

Note

Use

refrigeration
oil
to

make
it

adhere
to
surface

7

Space
seal

plate
with

equal
clear

ance
around

shaft
and

insert

cap

screws

8

Tighten
these

screws

evenly

Tightening

torque

Seal

plate
securing

cap
screws

0
7
to
1

0

kg
m

5
to
7
ft

Ib

AC811

Fig
AC
65

8p
cing
01

plate
and

tightening
cap
screws

9

Install

clutch
Refer
to
Com

pressor
Clutch
Installation