Datsun C210 series Manual page 495

See
Fig
AC 30 When
replacing
flexible hose and tube observe the
following
I
Before
starling
work be
sure
to
discharge
system
2 When disconnecting tubes be
sure
t o
se two
wrenches
on
both
tubes
3 After
disconnecting
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 31
Be
sure
to
use
two
wrenches when
tightening
a
flare
nut
of tube
Coat
at
surfaces with
com
pressor oil and then lighten
AC263
Fig
AC 31 Line Conntction
6
Make
sure refrigerant line
is
clamped securely Start
engine
and
raise
engine speed to inspect
ifthere
is
vibration
or
unusual noise
7 Conduct leak
test
and make
sure
that there
is
no
leak from connections
8 For
evacuating
and
charging
sys
tem
refer
to
GeneraIService
COOLING UNIT
REMOVAL
Disconnect
battery ground
cable
2 Di charge refrige ant
fr
m
ys
tem
Refer
to
General Service
c
3
Lqosen
flare
nuts
at
each
con
nection
of inlet and outlet
pipes
of
evapOrator
CAUTION
Immediately
pluD
up all
OpenillllS to
prevent entrance
of
dirt
and moisture
Air Conditioning
4 Remove
glove
box and
dash face
finisher
5 Remove defroster duct
and
second
connector
on
passenger
s
side
6 Disconnect wiring harness
con
nectors
from
compressor
relay
and
thermostat
7
Remove
upp
r
mOllnting bolt
and
lower right and left mounting
brackets and then
remove
cooling
unit
from dash panel
DISASSEMBLY AND ASSEMBLY
4
t
J
I Using
a
knife
cut packings at
upper and lower
case
fit in
portion
2 Remove
clips nxing
upper case
to
lower
case
3
Separate
upper
case
from lower
case
by pulling it upward
4 Withdraw
evaporator
assembly
out
of lower
case
S
Remove thermostat from
upper
case
by removing attaching
screws
CAUTION
Capillary
tube
should
not be
bent
too
sharply
AC 24
I
I
I I
1
P J 19
I
@
I
rW
D
AC059A
Fig
AC 32 Removing Cooling Unit
@
1
Therm05tat
2
Compressor relay
3
Upper
case
4
Evaporator
5 Expansion valve
6 Lower
case
AC060A
Fit
AC J3
Cooling Unit
6 To assemble
reverse
the order of
disassembly Be
sure to
join mating
surfaces
of
paclongs at
upper and
lower
case
nt
in
portion
with
an
adhe
sive substance
Note When
assembling
upper
case
to
lower
case
I
be
sure
to
insert
capillary
tube end t fins of
evaporator core more
than 20
mm
0 79 in
INSPECTION
In
case
evaporator
core or expan
sion
valve have gas leaking repair
or
replace
it with
a
new one as
necessary