(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 36-11-53-010-050
C. Get Access
(1)
Open the fan cowl doors (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2)
Put the access platform in position below the engine.
Subtask 36-11-53-040-051
D. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 36-11-53-010-053
E. Open the thrust reverser doors (Ref. TASK 78-36-00-010-040):
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
_________ (Ref. Fig. 401/TASK 36-11-53-991-001) CAUTION : SOME PRESSURE CAN STAY IN THE DUCTING. THE PRESSURE WILL DECREASE
_______
WHEN YOU RELEASE THE CLAMPS.
Subtask 36-11-53-020-054
A. Removal of the Overpressure valve CAUTION : USE A SECOND WRENCH TO APPLY COUNTER TORQUE TO THE UNION ON THE
_______
VALVE WHEN YOU CONNECT THE HP SENSE TUBE.
(1)
Disconnect the electrical connector (3).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove the clamp (5).
(4)
Hold the valve (6) and remove the clamp (2).
(5)
Remove the valve (6).
(6)
Put the protective covers on the valve (6) and the ducts.
R Overpressure Valve Figure 401/TASK 36-11-53-991-001
1EFF : 1 1 1CES ALL 1 111 36-11-53 Page 404 May 01/01
TASK 36-11-53-400-001
Installation of the Overpressure Valve (5HA1,5HA2)
WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START_______ WORK ON THE PNEUMATIC SYSTEM.
1. Reason for the Job__________________
Self Explanatory
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R No specific No specific No specific No specific air supply sourcewarning notice FOIL-ALUMINUM (Local Purchase)access platform 1 m (3 ft. 3 in.)
R B. Consumable Materials
R R R -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R Material No. Material No. CP3010 CP8004 * developer, dry (Ref. 70-30-00) * safetywire 0,024in. (0,6mm) (Ref. 70-30-00)
R C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 36-11-00-710-001 Operational Test to read the CURRENT STATUS of the
Engine Bleed Air System
R 36-11-53-720-001 Functional Check of the Overpressure Valve 5HA1
R (5HA2) 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 78-30-00-081-041 Make the Thrust Reverser Serviceable after Maintenance 78-30-00-481-041 Make the Thrust Reverser Unserviceable for Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 78-36-00-410-040 Closing of the Thrust Reverser Doors 36-11-53-991-001 Fig. 401
3. Job Set-up
__________
Subtask 36-11-53-860-050
A. Aircraft Maintenance Configuration
(1)
Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(2)
Make sure that the engine 1(2) shut down occured not less than 5 minutes before you do this procedure.
(3)
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),
-
make sure that the warning notice to tell persons not to operate the pneumatic system is in position.
(4)
On the ENG panel 115VU:
-make sure that the warning notice to tell persons not to start the engine 1(2) is in position. 中國航空網 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 2(31)
