AirComm Corporation Airbus EC135 Cabin Air Conditioner Instructions for Continued Airworthiness User Manual

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS EC135-200M-1 
Revision 8 Page 5 
B. TORQ LOK® FITTINGS: These fittings have two flat mating surfaces that along with 
an  O-Ring  create  a  seal.  Caution  when  assembling  these  fittings; care  should  be 
taken  not  to  damage  the O-Ring (i.e.  nicking,  splitting,  or  crushing  etc.). Green O-
Rings  must  not  be  used  on  these  fittings. (See CHAPTER 7 for torqueing 
procedures). 
The system is also equipped with a Binary switch. This switch is...

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS EC135-200M-1 
Revision 8 Page 6 
 
15. Refrigeration Cycle Illustration 
 
 
 
Figure 2:  Refrigeration Cycle Illustration 
(NOTE: This illustration is provided as a reference only and may not match actual 
installation) 
 
 
High pressure liquid 
Low pressure vapor 
Low pressure liquid 
High pressure vapor 
Compressor 
Condenser 
Aft Evaporator 
Receiver- 
Drier 
Bypass 
Valve 
Expansion 
Valves 
Fwd Evaporator  

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS EC135-200M-1 
Revision 8 Page 7 
CHAPTER 2 
AIRWORTHINESS LIMITATION SECTION 
 
1. Airworthiness Limitations 
 
The  Airworthiness limitations  section  is  FAA  approved  and  specifies  inspections 
and  other maintenance  required  under  Sections  43.16  and  91.403  of  Federal 
Aviation Regulations unless an alternative program has been FAA approved. 
 
“No airworthiness limitations associated with this type design change.” 
  

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS EC135-200M-1 
Revision 8 Page 8 
CHAPTER 3 
INSPECTIONS AND OVERHAUL  
 
1. Inspection Requirements 
 
PERIODIC INSPECTIONS 
(Hours are aircraft time) 
 
 
Item Annual Every 100 Hours of Operation Special Inspection Information 
Fwd Evaporator Blower(s) X X Check for operation in High and Low settings. 
Aft Evaporator Blower X X Check for operation in High and Low settings. Condenser Blower Motor(s) & Fan blade assembly X X Check for operation.  
Compressor Drive...

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS EC135-200M-1 
Revision 8 Page 9 
 
c) Installation & replacement of the wire harness electrical connectors for the evaporator 
and condenser blowers. 
To avoid potentially serious overheating issues the Molex style connectors (identified 
by their white plastic housing) installed on the aircraft harness for connecting to the 
evaporator and condenser blowers must be installed per ACC procedure PPP23 and 
only using the appropriate terminal crimp tool. This...

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS EC135-200M-1 
Revision 8 Page 10 
CHAPTER 4 
LOCATION AND ACCESS 
1. Location of Air Conditioner Components 
 
Nomenclature Description of Location 
Control Panel Located in the existing center console panel between the 
pilot & co-pilot seats 
Forward (Flight Deck) Evaporators Mounted to the center pedestal forward of the instrument 
panel in the chin bubble area 
Aft (Main Cabin) Evaporator Located on aircraft right, below the cabin floor  
Condenser Assembly...

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS EC135-200M-1 
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Figure 4:  Layout of Air Conditioner Dual/Single Evaporators 
(Top View) 
   

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS EC135-200M-1 
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Figure 5:  Compressor Installation 
(View Looking Inboard, LH Side)  
  
Transmission (ref)  
ES35135-1 Belt 
EC135-3040-1 
Compressor Assembly 
 
EC135-3004-1 Lower 
Compressor Mount Assembly 
 
EC135-3004-2 Upper 
Compressor Mount Assembly 
 
See Detail “A” 
(next page) 
 
EC135-3008-1 
Bearing Cover 
 
EC135-3020-1 
Compressor 
Adjustment 
Assembly 
See Detail “B” 
(next page) 
EC135-3012-1 
Brace...

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS EC135-200M-1 
Revision 8 Page 13 
 
 
Figure 6:  Detail “A” Compressor Lower Mount Drive Pulley Assembly 
 
 
 
 
 
 
Figure 7:  Detail “B” Compressor Adjustment Assembly  

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS EC135-200M-1 
Revision 8 Page 14 
 
 
Figure 8:  Fwd Evaporator Installation, RH (View Looking Inboard) 
 
 
 
Figure 9:  Fwd Evaporator Installation, LH (View Looking Inboard) 
EC135-6006-1 
Fwd Evaporator Assy, LH 
EC135-6006-2 
Fwd Evaporator Assy, RH 
ES61064-1 
Evaporator Blower Motor 
ES61064-1 
Evaporator Blower Motor 
ES72183-1 
Air Outlet