1975 Datsun 280z FSM - Spooled up Racing

Air Conditioning
11. In the reverse sequence of removal,
reinstall control assembly.
As to adjustment of cable, refer to
"Adjustment of Control Cable".
• As to connection of wiring harness,
refer to "Wiring Harness Diagram".
• As to connection of vacuum hose,
refer to "Vacuum Hose Diagram".
Note: Capillary tube should not be
bent too sharp.
AC555
Fig. AC-45
Removing control assembly
Fig. AC-47
AC276
Thermostat
DISASSEMBLY AND ASSEMBLY
9. Installation is to be done in reverse
order of removal.
Capillary tube should be inserted
by prescribed length in original position.
Length to be inserted is 50 to 70
mm (1.97 to 2.76 in).
Micro switch
Blower speed switch
Vacuum selector valve
Illumination lamp
Harness clamp
ADJUSTMENT OF CONTROL
CABLE
Heater door
Set AIR lever in DEF position.
Hook control cable on heater door and
fix cable with clamp so as to close
heater door perfectly.
Water cock
Set TEMP lever in COLD position.
Hook control cable on water cock and
fix cable with clamp so as to get water
cock closed completely.
Thermostat
Set TEMP lever in COLD position.
Install thermostat control rod so that
thermostat is in full cold position.
AC556
Fig. AC-46 Exploded view of control assembly
THERMOSTAT
REMOVAL AND
INSTALLATION
1.
2.
3.
44.
Disconnect battery ground cable.
Remove console box.
Remove finisher. See Figure AC-
4. Remove finisher brackets and
3-way air duct.
5. Remove control rod of thermostat.
6. From evaporator housing, remove
thermostat together with bracket by
taking off two mounting screws.
7. Remove thermostat wiring at connector.
8. Pull out capillary tube from
evaporator core and then take out
thermostat.
EXPANSION VALVE
REMOVAL
1. Disconnect battery ground cable.
2. Discharge system.
3. Remove finisher. See Figure
AC-44.
4. Remove finisher brackets and
3-way air duct.
5. Remove tube from expansion
valve by removing flare nut.
6. Remove two mounting nuts, and
pull out valve from expansion valve
case. See Figure AC-48.
AC277
Fig. AC-48 Removing expansion valve
AC-32