1975 Datsun 280z FSM - Spooled up Racing

done in reverse sequence of removal,
with notice paid to the following
points:
1. When new condenser is used as
replacement, be sure to add 28 g (1
oz) of new oil thereto.
2. Keep piping plug in place until
immediately before piping work is
started.
3. As to tightening torque on piping
connection, refer to "Piping".
4. As to evacuating and charging
system, refer to "General Service".
5. Conduct leak t*est and make sure
that there is no leak from connection.
RECEIVER DRIER
REMOVAL AND
INSTALLATION
1. Disconnect battery ground cable.
2. Discharge system. Refer to Section
"General Service for Discharging
System".
3. Disconnect pressure switch wires
at connector.
4. Disconnect refrigerant lines from
receiver drier.
Air Conditioning
Note: Plug all pipe openings to prevent
entrance of dirt and moisture.
5. Remove receiver drier mounting
screws and then remove receiver drier.
6. When replacing receiver drier with
a new one, charge system with 28 g (1
oz) of compressor oil.
7. Installation is to be done in reverse
order of removal. With plugs
taken off immediately before piping
work is started, connect piping and
receiver drier. As to tightening torque
on piping, refer to "Piping".
8. As to evacuating and charging
system, refer to "General Service".
9. Conduct leak test, and make sure
that there is no leak from connection.
PIPING
Refrigerant system piping is as
shown in Figure AC-35.
In replacing flexible hose and tube,
be attentive to following points:
1. Before starting work, be sure to
discharge system.
2. In disconnecting tubes, be sure to
use two wrenches on both tubes.
3. Upon disconnecting tubes, plug
all pipe openings immediately to prevent
entrance of dirt and moisture.
4. Compressed air must never be
used to clean dirty piping. Clean with
refrigerant gas.
5. In connecting tubes, be sure to
apply compressor oil to seating surface
and then tighten tubes by prescribed
tightening torque. See Figure AC-34.
Be sure to use two wrenches when
tightening a flare nut of tube.
Coat seat surfaces with compressor
oil and then tighten.
AC263
Fig. AC-34 Pipe connection
6. Make sure of proper clamping.
Start engine and raise engine speed to
inspect if there is vibration or unusuai
noise.
7. Conduct leak test and make sure
that there is no leak from connection.
8. As to evacuating and charging
system, refer to "General Service" for
"Evacuating and Charging System".
ar'tf
1 Condenser
2 Compressor
3 Receiver dryer
4 Strainer
Tightening torque kg-m (ft-lb)
® : 4.0 to 5.0 (29 to 36)
(8): 2.5 to 3.5 (18 to 25)
AC553
AC-29
Fig. AC-35 Refrigeration line