National Instructional Media Institute (NIMI)
Repair & Maintenance of Car Air Conditioning Unit : Modular Employable Skills - Chennai National Instructional Media Institute (NIMI) 2010,c2008 - 113
Contents :
1. Practical
-identify all components ,controls and safety devices with function and specifications in a car a/c system
-Compressor dismantling
-Compressor & parts removal for service
-Blower /Motor
-Cooling coil
-service of condensor
-Check oil level and adding oil
-Use multi meter
-Check and test thermostat in direct refrigerator and test compressor without relay
-Tracing the A/c wiring circuit
-Leak test
-NO cooling
-Recovery of refrigerant from the system using passive method-The cherge migration method
-Evacuation & Gas Charging
-Troubleshoot and repair auto/car a/c system for the symptom "No Cooling "
-Trouble shooting '(Sub symptom compressor problem ) noisy
2.Theory
-Safety
-Refrigerants & oils
-Identification of compressor
-Identification of mechanical devices used in car air conditioning unit
-Identification of control devices of car air-conditioning unit
-Function of car air condition system
-Type of current
-measuring voltage and current using multi meter
-Electrical part of an air conditioning in car
-Inspection of the car Air conditioning system
-Recovery
-Evacuation of the Refrigeration system
-Charging Refrigerant in a system
-Performance of Auto A/c System Maintenance
3.Assignment & Test
MES49
National Instructional Media Institute (NIMI)
Refrigeration & Air Conditioning : MES
629.2772 / REP
Repair & Maintenance of Car Air Conditioning Unit : Modular Employable Skills - Chennai National Instructional Media Institute (NIMI) 2010,c2008 - 113
Contents :
1. Practical
-identify all components ,controls and safety devices with function and specifications in a car a/c system
-Compressor dismantling
-Compressor & parts removal for service
-Blower /Motor
-Cooling coil
-service of condensor
-Check oil level and adding oil
-Use multi meter
-Check and test thermostat in direct refrigerator and test compressor without relay
-Tracing the A/c wiring circuit
-Leak test
-NO cooling
-Recovery of refrigerant from the system using passive method-The cherge migration method
-Evacuation & Gas Charging
-Troubleshoot and repair auto/car a/c system for the symptom "No Cooling "
-Trouble shooting '(Sub symptom compressor problem ) noisy
2.Theory
-Safety
-Refrigerants & oils
-Identification of compressor
-Identification of mechanical devices used in car air conditioning unit
-Identification of control devices of car air-conditioning unit
-Function of car air condition system
-Type of current
-measuring voltage and current using multi meter
-Electrical part of an air conditioning in car
-Inspection of the car Air conditioning system
-Recovery
-Evacuation of the Refrigeration system
-Charging Refrigerant in a system
-Performance of Auto A/c System Maintenance
3.Assignment & Test
MES49
National Instructional Media Institute (NIMI)
Refrigeration & Air Conditioning : MES
629.2772 / REP