4. Procedure
_________ R (Ref. Fig. 402/TASK 21-26-00-991-008-A, 403/TASK 21-26-00-991-010) Subtask 21-26-00-440-052 R A. Reactivation 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.
(1)
On the skin air-outlet valve 22HQ :
(a)
Push the PUSH latch to release the handle.
(b)
Pull the handle and set the deactivation switch to ON.
(c)
Stow and latch the handle.
(2)
On the skin exchanger isolation valve 24HQ :
(a)
Get the electrical cable and its connector.
(b)
Remove the blanking caps from the electrical connectors.
(c)
Make sure that the electrical connectors are clean and in the correct condition.
(d)
Connect the electrical connector 24HQ-A to the valve 24HQ.
(e)
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 6HQ.
Subtask 21-26-00-810-051
B. Do the trouble-shooting of the valve 22HQ (Ref. TSM 21 PB 101). Do the applicable corrective maintenance procedure(s).
Subtask 21-26-00-710-055
C. Do an operational test of the ventilation system of the avionics
equipment (Ref. TASK 21-26-00-710-001).
5. Close-up
________ Subtask 21-26-00-410-077
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 822.
(3)
Remove the access platform(s).
(4) Remove the warning notice(s). Subtask 21-26-00-862-060
B. De-energize the ground service network (Ref. TASK 24-42-00-862-001).
1EFF : ALL 1 21-26-00Page 417 1 1 Feb 01/04R 1 1 1CES 1
TASK 21-26-00-040-003
R Deactivation of the Conditioned-Air Inlet Valve (21HQ)
1. Reason for the Job
__________________
Refer to the MMEL TASK: 21-26-08
Avionics Equipment Ventilation
Air Conditioning Inlet Valve
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific warning notice
No specific access platform 1.50 m (4 ft. 11 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 52-41-00-410-002 Close the Avionics Compartment Doors after Access 21-26-00-991-009 Fig. 404
3. Job Set-up
__________ Subtask 21-26-00-861-061
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
Subtask 21-26-00-865-064
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/AVNCS VENT/CTL 5HQ D05
Subtask 21-26-00-010-057
C. Get Access
(1)
Put the access platform in position at the access door 824.
(2)
Open the access door 824.
4. Procedure
_________ Subtask 21-26-00-040-053
A. Opening Procedure of the Air Conditioned Inlet Valve
(Ref. Fig. 404/TASK 21-26-00-991-009)
(1) On the conditioned-air inlet valve 21HQ :
(a)
Disconnect the connector 21HQ-A from the valve 21HQ.
(b)
Put blanking caps on the disconnected electrical connectors.
(c)
Keep the electrical cable and its connector near the valve.
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