wiring DATSUN 210 1979 Owner's Guide
Page 522 of 548
REFRIGERANT
LINES
Air
Conditioning
@
I
J
L
S
r
Z
S
t
@
See
Fig
AC
29
When
replacing
flexible
hose
and
tube
observe
the
following
1
Before
starting
work
be
sure
to
discharge
system
2
When
disconnecting
tubes
be
sure
to
use
two
wrenches
on
both
tubes
3
After
discon
ecting
tubes
plug
all
openings
immediately
to
prevent
entrance
of
dirt
and
moisture
4
Compressed
air
must
never
be
used
to
clean
dirty
line
Clean
with
refrigerant
gas
5
In
connecting
tubes
be
sure
to
apply
compressor
oil
to
seating
surface
and
then
tighten
tubes
to
specified
tightening
torque
See
Fig
AC
30
Be
sure
to
use
two
wrenches
when
tightening
a
flare
nut
of
tube
Coat
seat
surfaces
with
com
pressor
oil
and
then
tighten
AC263
Fig
AC
30
Line
Connection
CD
6
Make
sure
refrigerant
line
is
clamped
securely
Start
engine
and
raise
engine
speed
to
inspect
if
there
is
vibration
or
unusual
noise
7
Conduct
leak
t
st
and
make
su
e
that
there
is
no
leak
from
connections
8
Refer
to
General
Service
for
evacuating
and
charging
system
COOLING
UNIT
REMOVAL
I
Disconnect
battery
ground
cable
2
Discharge
refrigerant
from
sys
tern
Refer
to
General
Service
3
Loosen
flare
nuts
at
each
con
nection
of
inlet
and
outlet
pipes
of
evaporator
AC
21
1
High
pressure
discharge
service
valve
2
Low
pressure
suction
service
valve
3
Compressor
4
Condenser
5
Receiver
drier
6
Cooling
unit
7
Low
pressure
switch
lightening
torque
kg
m
ft
lb
@
4
5
to
5
0
33
to
36
@
3
0
to
3
5
22
to
25
AC385A
Fig
AC
29
Refrigerant
Lines
CAUTION
Immediatelv
plug
up
all
openings
to
prevent
entrance
of
dirt
and
moisture
4
Remove
instrument
under
cover
5
Remove
glove
box
6
Disconnect
wiring
harness
con
nectors
from
compressor
relay
and
thermostat
7
Remove
upper
and
lower
attach
ing
bolts
and
remove
cooling
unit
AC386A
Fig
AC
31
Removing
Cooling
Unit
Page 526 of 548
WIRING
DIAGRAM
CIRCUIT
DIAGRAM
Air
conditioner
system
G
DD
w
FUSIBLE
LINK
I
BATTERY
LG
Lr
LG
c
J
LW
J
I
THERMOSTAT
W
W
r
B
B
8
ALTERNATOR
IGNITION
SWITCH
il
W
LB
LLG
J
LOW
PRESSURE
SWITCH
L
c
J
L
c
J
l
J
MAGNET
VALVE
L
c
J
CJ
C
COMPRE
SOR
CLUTCH
LIT
IACC
15A
L1
3
E
FUSE
BLOCK
Air
Conditioning
W
1
8
t
FUSE
20A
MAIN
RELAY
J
rn
W
I
fJ
RESISTOR
Dt
J
M
BLOWER
MOTOR
W
c
J
c
J
C
r
BvM
LW
LY
I
MICRO
SWITCH
B
AC404A
Fig
AC
39
Circuit
Diagram
of
Air
Conditioner
I
AC
25
Page 546 of 548
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