B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
21-26-00-710-001 Operational Check of System via MCDU 24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power TSM 21 PB 101 (for corrective action)
3. Job Set-up
__________
Subtask 21-26-00-861-066
A. Energize the ground service network (Ref. TASK 24-42-00-861-001).
Subtask 21-26-00-865-085
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/AVNCS VENT/CTL 6HQ D06
Subtask 21-26-00-010-070
C. Get Access
(1)
Put the access platform in position at the access door 822.
(2)
Open the access door 822.
4. Procedure
_________ Subtask 21-26-00-440-060
A. Reactivation of the Skin Exchanger Isolation Valve
(1)
Remove the tape and get the electric cable and its connector.
(2)
Remove the blanking caps from the disconnected electrical connectors.
(3)
Make sure that the electrical connectors are clean and in the correct condition.
(4)
Connect the electrical connector to the valve 24HQ.
(5)
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 6HQ.
Subtask 21-26-00-810-057
B. Do the trouble shooting of the valve 24HQ (Ref. TSM 21 PB 101).
Do the applicable corrective maintenance procedure(s).
Subtask 21-26-00-710-061
C. Do an operational test of the ventilation system of the avionics
equipment (Ref. TASK 21-26-00-710-001).
5. Close-up
________ Subtask 21-26-00-410-071
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 21-26-00-862-066
B. De-energize the ground service network (Ref. TASK 24-42-00-862-001).
TASK 21-26-00-040-009
Deactivation of the Avionics Ventilation Filter
1. Reason for the Job__________________
R R R Refer to the MMEL TASK: 21-26-09 b) Avionics Equipment Ventilation Ventilation filter
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 1.5 m (4 ft. 11 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 24-41-00-862-002 52-41-00-410-002 21-26-00-991-009 Energize the Aircraft Electrical Circuits from the External PowerDe-energize the Aircraft Electrical Circuits Supplied from the External PowerClose the Avionics Compartment Doors after AccessFig. 404
3. Job Set-up__________
Subtask 21-26-00-861-080
R A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
Subtask 21-26-00-010-071
B. Get Access
(1) Put the access platform in position at the access door 824.
(2) Open the access door 824.
4. Procedure
_________
(Ref. Fig. 404/TASK 21-26-00-991-009)
Subtask 21-26-00-040-059
A. Deactivation of the Avionics Ventilation Filter R (1) On the VENTILATION section of the overhead panel 22VU:
-release the EXTRACT pushbutton switch (the OVRD legend comes on).
(2) In the avionics compartment:
-before each flight, make sure that the conditioned-air inlet valve 21HQ is open (the position indicator of the valve is at 0).
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