TASK 21-26-00-040-002
Deactivation of the Skin Air Outlet Valve (22HQ) in the Closed Position with the Auxiliary Flap in the Open Position
1. Reason for the Job
__________________
Refer to the MMEL TASK: 21-26-04
Avionics Equipment Ventilation
R Skin air Outlet Valve
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific warning notice
No specific access platform 1.6 m (5 ft. 3 in.)
No specific access platform 2.8 m (9 ft. 2 in.)
B. Referenced Information
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REFERENCE DESIGNATION
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21-26-00-710-001 Operational Check of System via MCDU 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
31-60-00-860-001 EIS Start Procedure
31-60-00-860-002 EIS Stop Procedure
21-26-00-991-008-A Fig. 402
21-26-00-991-010 Fig. 403
3. Job Set-up__________
Subtask 21-26-00-861-059
R R A. Aircraft Maintenance Configuration
R R (1) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
R R (2) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
Subtask 21-26-00-865-076
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/AVNCS VENT/CTL 6HQ D06
Subtask 21-26-00-010-075
C. Get Access
(1) Put the access platform in position on the right side of the aircraft, below the valve 22HQ.
(2) Put the access platform at the access door 822.
(3) Open the access door 822.
4. Procedure_________
R (Ref. Fig. 402/TASK 21-26-00-991-008-A, 403/TASK 21-26-00-991-010)
Subtask 21-26-00-040-052-A
R A. Partial Opening Procedure of the Extract Valve
CAUTION : DO NOT USE FORCE TO TURN THE HANDLE. THERE ARE SHEAR PINS IN_______ THE HANDLE. IF YOU APPLY FORCE TO THE HANDLE WHEN THE FLAP IS IN THE FULLY OPEN OR CLOSED POSITION, THE SHEAR PINS WILL BREAK.
R Overboard Extract Valve Figure 402/TASK 21-26-00-991-008-A
R 1EFF : 1 1 1CES ALL 1 111 21-26-00 Page 410 Nov 01/02
R Skin Exchanger Isolation Valve Figure 403/TASK 21-26-00-991-010
1EFF : 1 1 1CES ALL 1 111 21-26-00 Page 411 May 01/04
(1) If the skin-air outlet valve 22HQ (type A) is installed:
(a)
Push the PUSH handle latch to release the handle.
(b)
Pull the handle to engage the mechanism.
(c)
Fold out the handle.
(d)
Set the deactivation switch to OFF.
(e)
Turn the handle clockwise to open the integrated auxiliary flap.
(f)
Fold, stow and latch the handle. NOTE : The integrated auxiliary flap opens when the main flap
____ closes.
(2) If the skin-air outlet valve 22HQ (type B) is installed:
(a)
When the valve is fully closed (main and auxiliary flaps closed):
(b)
When the valve is fully open (main and auxiliary flaps open): 1 Push the PUSH handle latch to release the handle.
1_ Push the PUSH handle latch to release the handle.
2_ Pull the handle to engage the mechanism.
3_ Set the deactivation switch to OFF.
4_ Turn the handle clockwise to open the integrated auxiliary
flap only.
5_ Stow and latch the handle.
NOTE : When the integrated auxiliary flap is open, if you____
continue to turn the handle clockwise, the main flap
opens.
_
2 Pull the handle to engage the mechanism.
_
3 Set the deactivation switch to OFF.
_
4 Turn the handle counterclockwise until the main flap closes.
_
1EFF : ALL 1 21-26-00Page 412 1 1 Feb 01/04R 1 1 1CES 1 中國航空網(wǎng) m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM AIR CONDITIONING 空調(diào) 2(6)
