3. Job Set-up
__________
(Ref. Fig. 502/TASK 36-11-00-991-002)
Subtask 36-11-00-861-075
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002)
Subtask 36-11-00-941-073
B. Safety Precautions
(1)
Make sure that the engine 1(2) is shut down for at least 5 minutes.
(2)
Put a warning notice(s) on the panel 115VU to tell persons not to start the engine 1 (2).
(3)
In the cockpit:
-
put warning notice(s) to the persons not to operate the pneumatic system,
-
put warning notice(s) to the persons not to operate the slats,
-
put warning notice(s) to the persons not to operate the APU switch.
(4)
On 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(s) to tell persons not to operate the FADEC 1(2).
Subtask 36-11-00-865-052
C. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR BLEED/X FEED/VALVE/BAT 2HV D13 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 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
1EFF : ALL 1 36-11-00Page 546 1 1 Feb 01/05R 1 1 1CES 1
Engine Bleed Air Supply System Figure 502/TASK 36-11-00-991-002
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Subtask 36-11-00-010-058
D. Get Access
NOTE : Remove only the applicable access panels in the area where you
____
will do the leak test.
(1)
Put an access platform in position below the zones 191BB, 192FB.
(2)
Put an access platform in position below the zones 521, 621.
(3)
Remove the applicable access panels of the air conditioning units 191BB, 192FB.
(4)
Remove the applicable access panels on the wings and belly fairings:
(a)
For the left wing and belly fairing:
-521AB, 521CB, 521EB, 521BT 191BT, 197BB 472AR, 521HB, 522AB, 147AB, 147EB.
(b)
For the right wing and belly fairing:
-621AB, 621BT, 621CB, 621EB, 621HB, 192BT, 482AR, 622AB.
(5)
Open the access doors on the pylon:
FOR 1000EM1
413DL, 414FR.
FOR 1000EM2
423DL, 413FL.
(6)
Open the left fan cowl door (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL.
FOR 1000EM2
447AL.
(7)
Open the left thrust-reverser cowl door (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL. FOR 1000EM2 461AL.
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Subtask 36-11-00-860-056
E. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
At the HP ground connection area put the air supply source in
position.
(3)
In the air conditioning compartment:
-disconnect the water tank, hyd reservoir and trim air valve pressurization interconnection line from the pressure service check valves (7272HM and 7270HM).
(4)
Cap the disconnected ends with end-fittings.
(5)
Do the EIS start procedure (ECAM system only) (Ref. TASK 31-60-00-860-001).
(6)
On valve-bleed pressure regulator 4001HA:
-remove cap from test port,
-connect air supply source to the test port,
-increase and stabilize the pressure to 40 psi (2.75 bar) to open the bleed pressure regulation valve. Check with the manual position indicator that the valve opens.
(7)
On the ECAM control panel 11VU:
-push the BLEED pushbutton switch (the BLEED page comes into view on the lower display unit of the ECAM system). 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM PNEUMATIC 气源 1(61)
