instrument panel DATSUN PICK-UP 1977 User Guide

Page 470 of 537


RADIO

REMOVAL
AND

INSTALLATION

Radio

Removal

Pull
radio
knobs
offradio
control

shafts
Body
Electrical

System

2
Remove
radio

holding
nuts
and

washer
from
radio

control
shafts

3
Remove
radio

bezel
from
the

front

of
radio

4

From
under
instrument

panel

disconnect
antenna
cable
and
lead

wires

power
lead
and

speaker
lead

5

Remove
radio

from
instrument

panel

Installation

Fr
m
behind
instrument

panel

position
radio

to
instrument

panel

2
Install
radio
bezel
to
the

front
of

radio

3
Install
washers
and
nuts
on

radio

control
shafts
and

tighten
them
secure

ly
Then
install
control
knobs

4
Connect
antenna
cable
and
lead

wires

power
lead
and

speaker
lead

Antenna
and

antenna
cable

Removal

From
behind
instrument

panel

disconnect
antenna
cable
at
conne
tor

2
Remove

plug
on
antenna
base
and

remove
antenna
base

retaining
screw

3
Remove

antenna
and
cable
as

sembly
from
fr
ont

pillar

4
Unscrew
antenna

clip
from
front

pillar
if

necessary
aE323

Fig
BE

41
Radio

Installation

Remove
rubber

plugs
that
cover

antenna

mounting
opening
in
front

pillar
when

installing
radio
antenna

on
vehicle
that
is
not

equipped
with

radio

2
Thread

mounting
stud
of
antenna

clip
into

upper
antenna

mountins

opening

3
Insert

antenna
cable
into

lower

antenna

mounting
opening
and

place

ant
nna

base
in

position

4

Install
antenna
base

retaining

screw

5
Route
antenna
cable

along
upper

dash

panel
to
radio

6

Connect
antenna
cable
at
con

nector

BE
25
t

BEB67
A

Fig
BE
42
Radio
ant

nna

ADJUSTMENT

Antenna
trimmer

When
a
new

radio
receiver
antenna

or
antenna
feeder
is
installed
antenna

trimmer

should
be

adjusted

Extend
antenna

completely

2
Tune
in
the

weakest
station
be

tween
12
and
16
1

200
to
1
600KC

on
dial

Noise

may
be

generated
but
dis

regard
it

3
Turn

antenna
trimmer
to

right

and
left

slowly
and
set
it
at
a

position

where

receiving
sensitivity
is

highest

SE133

Fig
BE
43

Adjwting
antenna
trimmer

CLOCK

REMOVAL

Remove

battery

ground
cable

2
Remove
cluster
lid

following

instructions
in

steps
I

to
4

of
Removal

in

Combination
Meter

3

Disconnect
three
wire
connectors

of
clock
from
combination
meter

printed
circuit

and
instrument
harnes

wiring

4
Remove
three
s
rews
and
remove

clock
from
cluster
lid

Page 471 of 537


INSTALLATION

I
Position
clock
to

cluster
lid
and

install
three
screws

2

Connect
three
wire
connectors
of

clock

to
each
connection
two
to

combination
meter

printed
circuit
one

to
instrument
h
ness

wiring

3

Install
cluster
lid
to
instrument

panel

4

Connect
battery

ground
cable

HEATER

DESCRIPTION

@
Body
Electrical

System

Fig
BE
44
Clock

1
Defroster
nozzle
L
U

2
Deflor
tcr
duct
L
R

3
Heater

control

4

Resistor

5
Heater
motor

6
Heater
case
7
Ventilator
knob

8
Heater
core

9
Conuol
cable

clip

10
Heater
cock

11
Defroster

duct
R
H

12
Defroster
nozzle
R
H

BE687B

Fig
BE
45
Heater
comtruction

BE

26

Page 472 of 537


Operation
of
the
heater
is

control

led

by
two
control
levers
located
on

the
instrument

panel
and
a
hand

op

erated
knob
on
the
center
of
the

heater
unit

The
AIR
LEVER
controls
the
air

intake
valve
and

or
room
valve

by
its

lever

positions
OFF
DEFROST
and

ROOM
through
the
control
cables

The
air
intake
valve
draws
the
fresh

outside
air

from
the
cowl

top
grille

and

supplies
the
air
into
the
heater

unit

The
room
valve
is

located
at
the

bottom
of
the

heater
unit
The
air

coming
through
the
air
intake
valve

opening
is

forced
through
the
heater

core
to
the
room

valve
where
the
air
is

distributed
to
the

floor
outlet
and
or

defroster
outlets

depending
on
the

position
of
the
room
valve

The

VENT
KNOB
is

directly
linked

to
the
vent
valve
which

provides
fresh

air

for
the

passenger
Push
the
knob
all

the

way
in

to

open
the
valve
The
fresh

ventilating
air

comes
out
of
the
heater

center
outlet

The
TEMP
lever
is
a

dual

pur

pose
control
one
is

for

regulating
the

flow
of

engine
coolant

flowing
into
Body
Electrical

System

the
heater
unit
and
the
other
for
the

operation
of
the
fan
motor
When
the

lever
is
in

the
OFF

position
the
water

cock
is

closed
and
the
circulation
of

engine
coolant

through
the
heater
core

stops
When
the
lever
is
slided
to

any

other

position
than
OFF
the
water
cock

opens
in

proportion
to
the

lever

setting
and
allow

engine
coolant

to

flow
into
heater
core

To
control
the
fan
motor

opera

tion

push
or

pull
the
lever
knob
Two

speeds
are

provided
for
the

fan
motor

by
using
a
three

position
switch

FUSE

IOfF
UlwlHI

ON
1

t

f
SWITCH

u

FUSI
BlE

rl
HEATE

R

LINK
SWITCH

is

G
luJ

BATTERY
HEATER
MOTOR

H
EATER
UN
IT

BE868A

Fig
BE
46
Circuit

diagram
of
heater

8E
27

Page 491 of 537


OUTLINE
OF
AIR
CONDITIONER

REFRIGERATION

SYSTEM

CONDENSER

COMPRESSOR

RECEIVER
DRYER

COOLING
UNIT

ELECTRICAL
CIRCUIT

OUTLINE
OF
AIR

CONDITIONER

The

air
conditioner
consists

es

sentially
of
a

cooling
unit

compressor

condenser
receiver

dryer
and

piping

The

cooling
unit

secured
with

three

brackets
is
a

ttached
to
the

location

occupied
by
the

package

tray

in
the
dash

panel

The

cooled
air
from
the
duct

is

directed
into
the

passenger
compart
Air

Conditioning

DESCRIPTION

CONTENTS

AC
2

AC3

AC
3

AC3

AC4

AC4

AC
5
DESCRIPTION

MAIN

RELAY

FAN
SWITCH

THERMO

SWITCH

PRESSURE
SWITCH

COMPRESSOR
RELAY

F
I
C
D

SOLENOID
VALVE
AC
5

AC
7

AC
7

AC
7

AC
7

AC
7

AC
7

ment

through
the
three

outlets
at

the

instrument

panel

The

compressor
serves
to

compress

the

vaporized
refrigerant
and
is
attach

ed

through
the
bracket
to
the
loca

tion

occupied
by
the

mechanical
fuel

pump
on
the

engine

The
condenser
cools
the

compres

sed

refrigerant
vapor
sent

by
the
com

pressor
and
is

located
on

the
front
of
the
radiator
in

the

engine
compart

ment

The
receiver

dryer

serving
as
a

reservoir

for

storage
of
the

liquid
sent

by
the
condenser
is

located
on
the

right
in
the

engine
compartment

The

piping
consists
of

two
flexible

hoses

and
five

copper
tubes
which

connect
various

components
of
the

air

conditioning
system

I

Cooling
unit

2

Expansion
valve

3
Receiver

dryer

4

Comressor
5

Condenser

6
Duct

@
Flexible
hose

@
Copper
tube

AC
2
AC724

Fig
AC
1

Cooling
system

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