Cooling Unit - Mazda MX-5 1990 Workshop Manual

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COOLING UNIT
Removal
I
Installation
AIR CONDITIONER
1. Discharge the refrigerant system. (Refer to page U-28.)
2. Remove the cooling unit as shown in the figure, referring to Removal Note.
3. Install the cooling unit in the reverse order of removal, referring to Installation Note.
4. Charge the refrigerant system. (Refer to page U-29.)
1. Cooling unit 2. Sealing plate
Removal note
• Immediately plug all open fittings to keep moisture out of the system.
Installation note
05UOUX-053
• Position the cooling unit so that its connections match those of the heater unit and the blower unit.
• Apply clean compressor oil to the O-rings before connecting the fittings.
• Do not apply compressor oil to the fitting nuts.
• If the evaporator is replaced, add compressor oil to the compressor.
Compressor oil: 50 cc (3.05 cu in)
• Tightening torque:
Inlet pipe : 9.8-20 N·m (1.0-2.0 m-kg, 7.2-14 ft-Ib)
Outlet pipe : 20-29 N·m (2.0-3.0 m-kg, 14-22 ft-Ib)
05UOUX-054
U-32