R 1EFF : 059-099, 102-149, 151-199, 201-299, 1 21-26-00Page 429 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1

R R R R R  (4) On the bottom part of the upper ECAM display unit: - the VENT AVNCS SYS FAULT warning comes into view. Ignore this warning. On the ECAM control panel: - push the CLR key. 
R R R  (5) Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5HQ, 6HQ. 
R R  (6) Do an operational test of the ventilation system of the avionics equipment (Ref. TASK 21-26-00-710-001). 
R  **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 21-26-00-040-054-A
 A. Closing Procedure of the Skin Air Inlet 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.
 (1) On the skin air-inlet valve 15HQ :
 (a) Push the PUSH latch to release the handle.
 (b) Pull the handle to engage the mechanism.
 (c) Set the deactivation switch to OFF.
 (d) Turn the handle counterclockwise to fully close the flap.
R  (e) Stow and latch the handle. 
R R  (2) On the VENTILATION section of the overhead panel 22VU: - release the EXTRACT pushbutton switch (the OVRD legend comes on). 
R R R R  (3) In the avionics compartment: - make sure that the conditioned-air inlet valve (21HQ) is open (the position indicator of the valve is at 0). (Ref. Fig. 404/TASK 21-26-00-991-009)

R R R R R  (4) On the bottom part of the upper ECAM display unit: - the VENT AVNCS SYS FAULT warning comes into view. Ignore this warning. On the ECAM control panel: - push the CLR key. 
R R R  (5) Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5HQ, 6HQ. 
R R  (6) Do an operational test of the ventilation system of the avionics equipment (Ref. TASK 21-26-00-710-001).
 **ON A/C ALL
 5. Close-up________
 Subtask 21-26-00-410-076
 A. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.
 (2) Close the access door 824.
 (3) Remove the access platform(s).
 Subtask 21-26-00-941-063
 B. Aircraft Maintenance Configuration
 (1) Put a warning notice in the cockpit to tell the crew that the valve is deactived.
 (2) Make an entry in the log book.
 Subtask 21-26-00-862-063 
R  C. Aircraft Maintenance Configuration 
R R  (1) Do the EIS stop procedure (Ref. TASK 31-60-00-860-002). 
R  (2) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

R TASK 21-26-00-040-004- 01 R Deactivation of the Skin Air-Inlet Valve (15HQ) R 1. Reason for the Job
__________________
R Refer to the MMEL TASK: 21-26-05 b) R Avionics Equipment Ventilation R Skin Air Inlet Valve
R 2. Job Set-up Information
______________________
R A. Fixtures, Tools, Test and Support Equipment
R -------------------------------------------------------------------------------R REFERENCE QTY DESIGNATION R -------------------------------------------------------------------------------
R No specific circuit breaker(s) safety clip(s) R No specific AR ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE R No specific AR CAP - BLANKING R No specific AR WARNING NOTICE
R B. Referenced Information
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 21-26-00-710-001 R 24-41-00-861-002 R R 24-41-00-862-002 R R 31-60-00-860-001 R 31-60-00-860-002 R 21-26-00-991-009 Operational Check of System via MCDU Energize the Aircraft Electrical Circuits from the External Power De-energize the Aircraft Electrical Circuits Supplied from the External Power EIS Start Procedure EIS Stop Procedure Fig. 404

R **ON A/C 001-049, 051-058, 101-101,
R 21-26-00-991-005 Fig. 405 R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499, R 21-26-00-991-005-A Fig. 405A

R  **ON A/C ALL 
R  3. Job Set-up__________ 
R  Subtask 21-26-00-861-082 
R  A. Aircraft Maintenance Configuration 
R  (1) Energize the aircraft electrical circuits 
R  (Ref. TASK 24-41-00-861-002). 
R  (2) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) 
R  (Ref. TASK 31-60-00-860-001) 
R  Subtask 21-26-00-865-099 
R  B. Open, safety and tag this(these) circuit breaker(s): 
　
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