3.7 Air conditioning system

☆Objectives

·Be able to understand the working principle of air conditioner cooling system and judge the failure positions and causes by checking and analyzing the system internal pressure;

·Be able to dismantle or replace the system components in accordance with the entrepreneur’s standard regulations;

·Be able to do routine check and maintenance for the air conditioning system with common tools;(https://www.daowen.com)

·Be able to analyze and eliminate the failures of air conditioning system according to failure phenomenon and inspection items.

☆Resources

·Equipments:CX70 vehicle,universal meter,test lamp,freon gauge,vacuum pump and refrigerant recovery facility

·Documents:CX70 supplementary circuit diagram and maintenance manual