Datsun 1980 200SX Service Manual page 46

CHECKING
HOSES AND
PIPES
Check heater
and air conditioner
for damaged
hoses
or
pipes
due to in
terference
or
friction with
adjoining
parts
If
damage
is minor repair
those affected
hose
or
pipes
If
damage
is major
and
if
there is the possibility
of
encountering
holes
replace
the
affected parts
Carefully check hoses
and
pipes
especially
thOle located
CIOM
to moy
ing parts Or
sharp edge
of panel
CHECKING REFRIGERANT
LEAKS
Conduct
a
leak test with halide
or
electric leak detector whenever leakage
of
refrigerant is suspected
and when
conducting service operations which
are
accompanied by disassembly
or
loosening of connection fittings
MoIJor
check
point
I
Compressor
Compressor
shaft seal
rotate
the
compressor
by
hand
Flexible hose connections
Front and
rear
head
gaskets
Service valve
2 Condenser
Condenser pipe
fitting
Condenser inlet
and
outlet
pipe
connections
3
Refrigerant
lines
Flared
section
of
high
pressure
and
low
pressure
flexible hoses
line
connections
4
Evaporator housing
Inlet and outlet line
connections
Expansion
valve
Suction throttle valve
111
1
I I lI
Flame adjusting lines
MAINTENANCE
Chassis
and
Body
Maintenance
Engine
co ressor
a
o
I
L
Condenser
I
SMA233
Sampling
tube
The
following information and
cautions should be
kept
in mind when
checking
for
leakage
SMA150
MA 37