Disassembly and Reassembly
DISASSEMBLY1. REMOVE NO. 1 COOLER UNIT DRAIN HOSE
a. Remove the cooler unit drain hose.
2. REMOVE AIR DUCT
a. Detach the 2 claws and remove the air duct.
3. REMOVE AIR OUTLET CONTROL SERVO MOTOR
a. Remove the 3 screws and air outlet control servo motor.
4. REMOVE AIR MIX CONTROL SERVO MOTOR
a. Remove the 2 screws and air mix control servo motor.
5. REMOVE HEATER PIPING COVER
a. Detach the 3 claws and remove the heater piping cover.
6. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY
a. Detach the 3 claws and remove the clamp.
b. Remove the heater radiator unit.
7. REMOVE AIR CONDITIONING TUBE ASSEMBLY
a. Remove the 2 screws.
b. Detach the claw and remove the cover.
c. Using a 4 mm hexagon wrench, remove the 2 hexagon bolts and air conditioning tube.
d. Remove the 2 O-rings from the air conditioning tube.
8. REMOVE COOLER EXPANSION VALVE
a. Remove the cooler expansion valve from the cooler evaporator.
9. REMOVE EVAPORATOR TEMPERATURE SENSOR
a. Remove the 2 screws and plate.
b. Remove the 7 screws, cooler evaporator and evaporator temperature sensor.
c. Remove the evaporator temperature sensor from the cooler evaporator.
10. REMOVE EVAPORATOR SUB-ASSEMBLY
a. Remove the 2 O-ring from the cooler evaporator.
REASSEMBLY
1. INSTALL COOLER EVAPORATOR SUB-ASSEMBLY
a. Sufficiently apply compressor oil to 2 new O-rings and the fitting surface of the cooler evaporator.
Compressor oil: ND-OIL 8 or equivalent
b. Install the 2 O-ring on the cooler evaporator.
2. INSTALL EVAPORATOR TEMPERATURE SENSOR
a. Install the evaporator temperature sensor as shown in the illustration.
b. Check that the sensor sticks to the evaporator surface as shown in the illustration (A: Sensor, B: Evaporator).
NOTE: If reusing the evaporator, DO NOT insert the sensor to the position that it had been inserted before. Insert it between position C shown in the illustration.
c. Install the cooler evaporator on the heater case with the 7 screws.
d. Install the plate with the 2 screws.
3. INSTALL COOLER EXPANSION VALVE
a. Install the cooler expansion valve to the cooler evaporator.
4. INSTALL AIR CONDITIONING TUBE ASSEMBLY
a. Sufficiently apply compressor oil to 2 new O-ring and the fitting surface of the air conditioning tube.
Compressor oil: ND-OIL 8 or equivalent
b. Using a 4 mm hexagon wrench, install the air conditioning tube with the 2 hexagon bolts.
Torque: 3.5 N.m (35 kgf.cm, 30 in.lbf)
c. Install the cover with the claw and 2 screws.
5. INSTALL HEATER RADIATOR UNIT SUB-ASSEMBLY
a. Install the heater radiator unit.
b. Attach the 3 claws and install the clamp.
6. INSTALL HEATER PIPING COVER
a. Attach the 3 claws and install the heater piping cover.
7. INSTALL AIR MIX CONTROL SERVO MOTOR
a. Install the air mix control servo motor with the 2 screws.
8. INSTALL AIR OUTLET CONTROL SERVO MOTOR
a. Install the air outlet control servo motor with the 3 screws.
9. INSTALL AIR DUCT
a. Attach the 2 claws and install the air duct.
10. INSTALL NO. 1 COOLER UNIT DRAIN HOSE
a. Install the cooler unit drain hose.