AirComm Corporation Airbus EC145 Cabin Air Conditioner Instructions for Continued Airworthiness User Manual

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
Revision 13  Page 25 
 
CHAPTER 6 
STANDARD PRACTICES INFORMATION 
 
1.  FITTING TORQUING PROCEDURES AND TORQUE VALUES 
 
INSERT O-RING FITTINGS        TORK-LOK FITTINGS 
 
 
 
 
 
 
Apply a thin coating of refrigerant oil to O-ring and 
Female side of fitting. 
Confirm there is no damage (nicks, dirt, etc.) on fittings. 
Slide B-nut back away from the end of the tube so you can see the O-ring as you slide the 
fitting together. 
 
Be careful not to pinch...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
Revision 13  Page 26 
 
CHAPTER 6 
STANDARD PRACTICES INFORMATION (continued) 
 
2.  REMOVAL & REPLACEMENT OF CONDENSER BLOWER MOTOR & FAN ASSEMBLY. 
 
REMOVAL 
CAUTION 
It is recommended that the battery and external power be disconnected before starting work. 
 
A.   Remove the cowling aft of the engine compartment on the left hand side of the aircraft to 
gain access to the condenser & blower assembly. 
 
CAUTION 
Be sure to support the blower assembly...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
Revision 13  Page 27 
 
CHAPTER 6 
STANDARD PRACTICES INFORMATION (continued) 
 
3. REMOVAL, REPLACEMENT & ADJUSTMENT OF COMPRESSOR DRIVE BELT (continued) 
 
E. Loosen the belt and remove belt from the compressor & drive pulley from the compressor housing. 
 
 
REPLACEMENT 
 
A.  Install the drive belt on the compressor pulley & drive pulley. 
 
B.  Adjust belt tension (See Adjustment below). 
 
C.  Tighten the Belt Tensioning Link Jam Nuts and re-safety...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
Revision 13  Page 28 
CHAPTER 6 
STANDARD PRACTICES INFORMATION (continued) 
 
4. REMOVAL, INSTALLATION / REPLACEMENT OF COMPRESSOR ASSEMBLY. 
 
REMOVAL 
 
A.  See Removal, Replacement, & Adjustment of Compressor Drive Belt prior to the removal of the 
air conditioner compressor assembly.  
 
B. It will be necessary to evacuate (discharge) the refrigerant from the system to remove and replace 
the air conditioner compressor. Instructions for servicing of the...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
Revision 13  Page 29 
 
CHAPTER 6 
STANDARD PRACTICES INFORMATION (continued) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
Revision 13  Page 30 
CHAPTER 6 
STANDARD PRACTICES INFORMATION (continued) 
 
5. REMOVAL, INSTALLATION / REPLACEMENT OF FORWARD EVAPORATOR ASSEMBLY. 
 
REMOVAL 
 
A.  It will be necessary to evacuate (discharge) the refrigerant from the system to remove or replace 
the forward evaporator assembly. Instructions for servicing of the system are found in Chapter 5 
Servicing. 
CAUTION 
Refrigerant servicing should be performed by qualified personnel only! 
 
B....

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
Revision 13  Page 31 
 
CHAPTER 6 
STANDARD PRACTICES INFORMATION (continued) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
THIS PAGE INTENTIONALLY LEFT BLANK 
FOR FURTURE USE 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
Revision 13  Page 32 
 
CHAPTER 6 
STANDARD PRACTICES INFORMATION (continued) 
 
6. REMOVAL, INSTALLATION / REPLACEMENT OF AFT EVAPORATOR ASSEMBLY. 
 
REMOVAL 
 
A.  Remove the overhead ceiling panel above the main cabin area to access the aft evaporator 
assembly. 
 
B.  Remove the (4) four AN3-10A bolts that retain the Aft Evaporator to the support bracket. 
 
C.  It will be necessary to evacuate (discharge) the refrigerant from the system to remove or...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
Revision 13  Page 33 
CHAPTER 6 
STANDARD PRACTICES INFORMATION (continued) 
 
7. REMOVAL, INSTALLATION / REPLACEMENT OF CONDENSER ASSEMBLIY. 
 
REMOVAL 
 
 
 
A.  It will be necessary to evacuate (discharge) the refrigerant from the system to remove or replace 
the condenser assemblies. Instructions for servicing of the system are found in Chapter 5 
Servicing. 
 
CAUTION 
Refrigerant servicing should be performed by qualified personnel only! 
 
CAUTION 
It...

AIR CONDITIONER SERVICE MANUAL EC145-200M-1 
 
Revision 13  Page 34 
CHAPTER 6 
STANDARD PRACTICES INFORMATION (continued) 
 
8. REMOVAL, INSTALLATION / REPLACEMENT OF RECEIVER DRIER BOTTLE. 
 
REMOVAL 
 
A. Access refrigerant plumbing to Receiver Drier Bottle which is located next to the Condenser 
Assembly. 
 
B. It will be necessary to evacuate (discharge) the refrigerant from the system to remove or replace 
the receiver drier bottle. Instructions for servicing of the system are found in Chapter 5...