Service Procedures

SERVICE PROCEDURES




HFC-134a (R-134a) Service Procedure


SETTING OF SERVICE TOOLS AND EQUIPMENT




DISCHARGING REFRIGERANT

WARNING:
Avoid breathing A/C refrigerant and lubricant vapor or mist. Exposure may irritate eyes, nose and throat. remove HFC-134a (R-134a) from A/C system using certified service equipment meeting requirements of SAE J221O [HFC-134a (R-134a) recycling equipment] or J22O9 HFC-134a (R-134a) recovery equipment If accidental system discharge occurs, ventilate work area before resuming service. Additional health and safety information may be obtained from refrigerant and lubricant manufacturers.




EVACUATING SYSTEM AND CHARGING REFRIGERANT

MAINTENANCE OF LUBRICANT QUANTITY IN COMPRESSOR

The lubricant used to lubricate the compressor circulates through the system with the refrigerant. Add lubricant to compressor when replacing any component or after repairing a large gas leak. It is important to maintain the specified amount. If lubricant quantity is not maintained properly, the following malfunctions may result:

^ Lack of lubricant: May lead to a seized compressor

^ Excessive lubricant: Inadequate cooling (thermal exchange interference)

LUBRICANT

Swash plate compressor and V-6 compressor
Name: Nissan A/C System Oil Type S
Part number: KLH00-PAGS1

Vane rotary compressor
Name: Nissan A/C System Oil Type R
Part number: KLH00-PAGR1







Checking and Adjusting lubricant quantity
HFC-134a (R-134a) SERVICE TOOLS AND EQUIPMENT







Refrigerant container fittings, service hose fittings and service equipment fittings (equipment which handles refrigerant and/or lubricant) are difference between CFC-12 (R-12) and HFC-134a (R-134a). This is to avid mixed use of the refrigerants/lubricant.