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TechPlus
s e r v i c e s u p p l e m e n t
Technician Instructions and Information / 28
Charging the Air Conditioning System / 28
Checking the Refrigerant Charge / 29
Checking the Compressor Oil Charge / 29
High Pressure Binary Switch / 29
Clean Up Procedures / 31
Part Replacement Procedures / 33
Compressor / 33
Condenser Coil / 34
Receiver Drier / 34
High Pressure Binary Switch / 35
Evaporator Coil / 35
Expansion Valve Assembly / 36
Structural Maintenance / 38
Unit Inspection / 38
Evaporator Coil / 38
Condenser Coil / 38
Mounting Bolts / 38
TM-21 & TM-16 Compressor and Clutch Maintenance / 39
Operation / 39
Inspection / 39
Clutch Removal / 40
Clutch Installation / 42
Electrical Connection / 45
Compressor Front seal Removal and Installation / 45
System Compressor and Oil Handling / 50
Installation of the Compressor / 50
Major Loss or Refrigerant / 50
Checking the Oil Level / 50
Oil Contamination / 51
When a system becomes contaminated / 51
Electrical Connection / 51
Clutch Test / 51
Belt Tensions / 52
Engine Compressor Belts and Pulleys / 52
Single V-Belt – Cat C7 A3RE/FE / 52
Poly V-Bel - Some A3RE/FE, All BBCV and All MicroBird / 52
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APPENDIX
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