AirComm Corporation Airbus EC130 Cabin Air Conditioner Instructions for Continued Airworthiness User Manual

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 34 
 
NOTE 
Maintaining the correct amount of refrigerant and refrigerant oil in the system is critical for 
ensuring the long life of the compressor. 
 
The Service Ports for this system are located in the upper aft right-hand corner of the 
baggage compartment. 
 
 
CAUTION 
This system is serviced with either Polyester Based Refrigerant...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
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5. SUGGESTED EQUIPMENT FOR SERVICING 
 
Recovery / Recycling / Recharging Station 
(Example: Snap-on Model ACT 3340, Robinair Model 34700, or equivalent). 
 
Electronic Leak Detector (R134a compatible) 
(Example: Micro-Tech III, Robinair, Snap-on, or equivalent). 
 
Manifold and gauge set (R134a compatible) 
(Example: Robinair, Snap-on,...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
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7. SUGGESTED SPARES LIST 
 
Item        Part Number 
 
Blower Motor – Aft Evaporator     ES61060-2 
(EC130-200 Installation only) 
 
Blower Motor – Aft Evaporator     ES61142-1 
(EC130-202 Installation only) 
 
Blower Motor – Forward Evaporator     ES61064-2 
 
Compressor Assembly      S-3036EC-1  
 
Compressor Drive Belt...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 37 
CHAPTER 7 
STANDARD PRACTICES INFORMATION 
 
1. FITTING TORQUING PROCEDURES  
 
          INSERT O-RING FITTINGS    TORQ-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 to...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 38 
reliable method of checking for refrigerant leaks). Once the fittings have been checked and 
are found to be free of leaks, torque seal as appropriate. 
 
 
 
 
2. REMOVAL, REPLACEMENT & ADJUSTMENT OF COMPRESSOR DRIVE BELT 
 
REMOVAL 
 
A. It is necessary to access the transmission compartment to remove, replace, or adjust 
the...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 39 
 
CAUTION 
A minimum of 0.4” clearance must be maintained between the compressor pulley and the 
transmission support tube to prevent damage to the aircraft. 
 
ADJUSTMENT 
 
NOTE 
Proper belt tension is important to insure a long belt service life and to avoid excessive loads on 
the compressor and bearing assemblies. 
 
A. The correct...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 40 
 
CAUTION 
Refrigeration servicing should be performed by qualified personnel only! 
 
 
C.  Disconnect the refrigerant hoses from the suction and discharge ports located on the aft 
end of the compressor housing. 
 
D. Remove the attaching hardware from the top of the belt tensioning link and the 
compressor mount assembly. Remove the...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 41 
 
NOTE 
The locking nuts are to be maintained and replaced per the guidelines in NASM33588 
 
E.   Safety wire the tension link jam nuts using .032 safety wire. 
 
F.   Replace the O-rings on the refrigerant hoses and re-connect the hoses to the 
compressor housing. Torque the #10 hose fitting to 50 – 55 inch lbs (5.7-6.3 Nm). and...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 42 
 
 
CAUTION 
Always use a back-up wrench when removing, or installing refrigerant line fittings. 
 
 
 
INSTALLATION / REPLACEMENT 
 
A. Locate the forward evaporator assembly per figure 4-6, pg 16. Install attaching hardware 
(AN3-5A Bolts) (4) four places in mounting brackets on aft of evaporator assembly. 
 
B. Attach the refrigerant...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 43 
D. Disconnect the refrigerant lines at the fittings to the evaporator housing. 
 
CAUTION 
Refrigerant servicing should be performed by qualified personnel only! 
 
CAUTION 
Always use a back-up wrench when removing or installing refrigerant line fittings. 
 
E. Disconnect wiring to the Temperature control module on the Aft Evaporator...