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

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 44 
INSTALLATION / REPLACEMENT 
 
A. Locate the Aft Evaporator Blower Assembly into the aft evaporator. 
 
B. Install the AN525-10R8 screws and AN960-10L washers to secure the motor. 
 
C. Re-make the electrical connection between the blower and the evaporator. 
 
 
7. REMOVAL, INSTALLATION OF THE CONDENSER SCOOP ASSEMBLY, EC130-200 
KITS...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 45 
 
NOTE 
Perform a maintenance operational check of the Condenser Scoop Assembly on completion of 
the installation to insure that there is no rubbing or binding of the Scoop Door. 
 
NOTE 
The Condenser Scoop Door is rigged at the factory with a .20 to .40  + .10 inch gap between 
the Scoop Door and the Scoop Plate assemblies with the...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 46 
CAUTION 
Always use a back-up wrench when removing or installing refrigerant line fittings. 
 
NOTE 
There should be no air leakage paths other than through the inlet and outlet. Seal all other 
openings including those around the condenser refrigerant tubes. 
 
 
 
 
9. REMOVAL & REPLACEMENT OF CONDENSER BLOWER FAN ASSEMBLY, EC130-
200...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 47 
 
10. REMOVAL, INSTALLATION OF THE CONDENSER ASSEMBLIY, EC130-202 KITS 
 
REMOVAL 
 
A. Remove attaching hardware securing forward inner baggage compartment panel to 
condenser assembly. Remove baggage compartment panel. 
B. Disconnect refrigerant plumbing from condenser fittings once refrigerant is 
evacuated. Always use a back-up...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 48 
C. assembly, and remove bolts. 
 
D. Disconnect the ES73131-1 (or -2) Blower motor & Fan assembly from the electrical 
connector. 
 
E. Cut the safety wire attached to the three (3) motor mounting bolts on the 
EC130-7536-1 Vane Axial Blower, Remove the motor mounting bolts and spacers 
holding the ES73131 Motor & fan assembly to the...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 49 
12. REMOVAL, INSTALLATION / REPLACEMENT OF RECEIVER DRIER BOTTLE 
 
REMOVAL 
 
A.  Access the refrigerant plumbing to Receiver Drier Bottle. For the EC130-200 kits the 
bottle is located near the condenser assembly. For the EC130-202 kits the bottle is 
mounted to the side of the condenser assembly. 
 
B.  It will be necessary to...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 50 
 
 
13. REMOVAL, INSTALLATION / REPLACEMENT OF BINARY PRESSURE SWITCH 
 
REMOVAL 
 
A.  Access the Binary Pressure Switch located downstream from the condenser assembly 
(refer to the plumbing schematics Fig 4-17 thru -19). The switch will be located on a 
machined Y-fitting mounted to the forward bulkhead of the fuel tank bay. It is...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 51 
 
CAUTION 
Refrigerant servicing should be performed by qualified personnel only! 
 
C.  Remove the safety wire and mounting screws that attaches the support bracket to the 
valve coil assembly. 
 
D. Disconnect the electrical connector to the by-pass valve assembly. 
 
E. Disconnect the refrigerant lines from both sides of the by-pass...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 52 
CHAPTER 8 
TROUBLESHOOTING 
 
1. SYSTEM TROUBLESHOOTING 
Prior to troubleshooting a defective system, it is advisable to conduct a visual inspection for general condition, 
and obvious signs of damage or failure.  
 
The following matrix lists the easiest checks, and the most likely problems. 
 
Problem Probable Cause Solution 
System...

 
AIR CONDITIONER SERVICE MANUAL EC130-200M-1 
Revision 6                                                                                                         Page 53 
 
Problem Probable Cause Solution 
System not cooling 
(Evaporator blowers not operating) 
i. Forward or Aft evaporator 
blower circuit breaker tripped. 
i. Reset circuit breaker. If breaker 
will not reset, check for short in 
circuit. 
System not cooling 
(Evaporator blowers not operating) 
j. Forward and aft evaporator 
blower...