fuse box DATSUN 210 1979 Service Manual
Page 525 of 548
LOW
PRESSURE
SWITCH
REMOVAL
AND
INSTALLATION
I
Disconnect
battery
ground
cable
2
Discharge
refrigerant
from
sys
tem
Refer
to
General
Service
3
Disconnect
connector
to
low
pressure
switch
4
Remove
low
pressure
switch
by
turning
the
switch
5
Installation
is
in
the
reverse
order
of
removal
INSPECTION
Using
a
circuit
tester
make
sure
that
low
pressure
switch
exhibits
con
tinuity
when
gas
pressure
of
refriger
ant
in
system
is
normal
and
that
low
pressure
switch
does
not
exhibit
con
tinuity
when
gas
pressure
drops
below
2
2
kg
cm2
31
p
i
MAGNET
VALVE
REMOVAL
AND
INSTALLATION
I
Disconnect
battery
ground
cable
2
Disconnect
magnet
valve
lead
wires
and
vacuum
hoses
3
Remove
magnet
valve
securing
screws
and
then
remove
magnet
valve
i
i
WrE
AC389A
Fig
AC
36
Removjng
Magnet
Valve
4
Installation
is
in
the
reverse
order
of
removal
INSPECTION
I
rest
continuity
with
ohmmeter
2
Apply
D
C
12
volts
across
termi
Air
Conditioning
031
under
this
state
orally
blow
through
one
vacuum
port
to
ensure
that
there
is
air
flow
at
the
other
FUSE
REPLACEMENT
REPLACEMENT
A
20
ampere
in
line
fuse
is
part
of
air
conditioner
harness
located
behind
glove
box
J
Disconnect
batiery
ground
cable
2
Remove
instrument
under
cover
3
Remove
glove
box
4
Take
out
fuse
holder
from
air
conditioner
harness
and
replace
fuse
with
a
new
one
CAUTION
If
fuse
is
blown
be
sure
to
climi
nate
the
cause
befure
installing
new
fuse
in
position
r
AC276A
Fig
AC
37
Fu
e
Replacement
VACUUM
HOSE
DIAGRAM
u
CJ
Magnet
valve
Al
1
From
intake
manifold
AC
24
Fast
idle
actuator
Check
valve
Vacuum
switch
Intake
actuator
I
0
0
2
S
1l
AC27BA
Fig
AC
38
Vacuum
Hose
Diagram