National Instructional Media Institute (NIMI) <br/><br/>
Repair & Maintenance of Car Air Conditioning Unit : Modular Employable Skills 

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