R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
R (Ref. Fig. 405A/TASK 21-26-00-991-005-A)
R **ON A/C 001-049, 051-058, 101-101,
R Subtask 21-26-00-040-063
R A. Closing Procedure of the Skin Air-Inlet Valve
R CAUTION : DO NOT USE FORCE TO TURN THE HANDLE. THERE ARE SHEAR PINS IN_______
R THE HANDLE. IF YOU APPLY FORCE TO THE HANDLE WHEN THE FLAP IS
R IN THE FULLY OPEN OR CLOSED POSITION, THE SHEAR PINS WILL
R BREAK.
R (1) On the skin air-inlet valve 15HQ:
R (a) Push the PUSH latch to release the handle.
R (b) Pull the handle to engage the mechanism.
R (c) Fold out the handle.
R (d) Set the deactivation switch to OFF.
R (e) Turn the handle counterclockwise to fully close the flap.
R (f) Fold, stow and latch the handle.
R (2) On the VENTILATION section of the overhead panel 22VU:
R - release the EXTRACT pushbutton switch (the OVRD legend comes on).
R (3) On the conditioned-air inlet valve 21HQ:
R (a) Disconnect the connector 21HQ-A from the valve 21HQ.
R (b) Put CAP - BLANKING on the disconnected electrical connectors.
R (c) Keep the electrical cable and its connector near the valve.
R (d) Fully open the valve 21HQ with the manual mechanism.
R (4) On the bottom part of the upper ECAM display unit:
R - the VENT AVNCS SYS FAULT warning comes into view.
R Ignore this warning.
R On the ECAM control panel:
R - push the CLR key.
R (5) Remove the safety clip(s) and the tag(s) and close this(these)
R circuit breaker(s):
R 5HQ, 6HQ.
R (6) Do an operational test of the ventilation system of the avionics
R equipment (Ref. TASK 21-26-00-710-001).
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
R Subtask 21-26-00-040-063-A
R A. Closing Procedure of the Skin Air-Inlet Valve
R CAUTION : DO NOT USE FORCE TO TURN THE HANDLE. THERE ARE SHEAR PINS IN_______
R THE HANDLE. IF YOU APPLY FORCE TO THE HANDLE WHEN THE FLAP IS
R IN THE FULLY OPEN OR CLOSED POSITION, THE SHEAR PINS WILL
R BREAK.
R (1) On the skin air-inlet valve 15HQ:
R (a) Push the PUSH latch to release the handle.
R (b) Pull the handle to engage the mechanism.
R (c) Set the deactivation switch to OFF.
R (d) Turn the handle counterclockwise to fully close the flap.
R (e) Stow and latch the handle.
R (2) On the VENTILATION section of the overhead panel 22VU:
R - release the EXTRACT pushbutton switch (the OVRD legend comes on).
R (3) On the conditioned-air inlet valve 21HQ:
R (a) Disconnect the connector 21HQ-A from the valve 21HQ.
R (b) Put CAP - BLANKING on the disconnected electrical connectors.
R (c) Keep the electrical cable and its connector near the valve.
R (d) Fully open the valve 21HQ with the manual mechanism.
R (4) On the bottom part of the upper ECAM display unit:
R - the VENT AVNCS SYS FAULT warning comes into view.
R Ignore this warning.
R On the ECAM control panel:
R - push the CLR key.
R (5) Remove the safety clip(s) and the tag(s) and close this(these)
R circuit breaker(s):
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