(3)
 0n the panel 30VU, put the X-BLEED selector switch in the OPEN position.

 (4)
 Apply a stable pressure of 30 psi (2.07 bar) to the HP ground connector.

 (5)
 Make sure that there are no leaks at the junctions of the installed duct.

 (6)
 Disconnect the air supply source from the HP ground connector.

 5. Close-up
________ Subtask 36-11-49-865-067
 A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 2HA1, 3HA1, 2HA2, 3HA2
 Subtask 36-11-49-410-055
 B. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the thrust reverser cowl doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR

 (3)
 Remove the access platform(s).

 1EFF : ALL 1 36-11-49Page A404 1 1 Nov 01/04R 1 1 1CES 1

 Subtask 36-11-49-440-064
 C. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 36-11-49-410-087
 D. Close Access
 (1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
 (2) Remove the warning notice(s). Subtask 36-11-49-862-060
 E. De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

 1EFF : ALL 1 36-11-49Page A405 1 1 Nov 01/04R 1 1 1CES 1

 TASK 36-11-49-000-048

 Removal of the Fifth Stage Elbow Duct
 WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______ WORK ON THE PNEUMATIC SYSTEM.
 WARNING : BE CAREFUL WHEN YOU WORK ON THE ENGINE COMPONENTS IMMEDIATELY AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS CAN STAY HOT FOR UP TO ONE HOUR.
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific blanking plugs
 No specific circuit breaker(s) safety clip(s)
 No specific warning notice
 No specific access platform 0.5 m (1 ft. 8 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
 External Power 71-13-00-010-040 Opening of the Fan Cowl Doors 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
 Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 36-11-49-991-306 Fig. 407
 1EFF : ALL 1 36-11-49Page A406 1 1 Nov 01/04R 1 1 1CES 1

 3. Job Set-up
__________

 Subtask 36-11-49-861-069
 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 Subtask 36-11-49-941-062
 B. Safety Precautions
 (1)
 Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.

 (2)
 On the AIR COND panel 30VU:

 -
make sure that the ENG 1(2) BLEED pushbutton switch is released (the OFF legend is on),

 -
make sure that the APU BLEED pushbutton switch is released (the ON legend is off),

 -put a warning notice to tell persons not to operate the pneumatic system.

 (3)
 On the ENG panel 115VU:

 -put a warning notice to tell persons not to start the engine 1(2).

 (4)
 On the HP ground connector:

 -Put a warning notice to tell persons not to pressurize the pneumatic system.

 (5)
 On the ENG section of the maintenance panel 50VU:

 -make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off,
 -put a warning notice to tell persons not to energize the FADEC 1(2).
 Subtask 36-11-49-865-068
 C. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR BLEED/ENG 1/CTL 3HA1 D12 49VU AIR BLEED/ENG 1/MONG 2HA1 D11 122VU AIR BLEED/ENG 2/CTL 3HA2 Z23 122VU AIR BLEED/ENG 2/MONG 2HA2 Z22
 1EFF : ALL 1 36-11-49Page A407 1 1 Nov 01/04R 1 1 1CES 1
　
中國航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320飛機維護手冊 AMM PNEUMATIC 氣源 1(147)