2. In the cockpit, press and release the MAST CAUT pushbutton switch.
In the cockpit, at the same time:
-a single chime sounds (aural warning)
-the MAST CAUT indicator lights comeon.
 On the ECAM upper DU, the message L/G GEAR UPLOCK FAULT shows.
 On the ECAM lower DU:
 -the message UPLOCK shows for each landing gear (amber)
 -
each landing gear door symbol is replaced with amber crosses

 -
each landing gear down and locked symbol (green triangles) is replaced with amber crosses on an amber triangle.

 On the panel 402VU, the LDG GEAR UNLK warning lights come on (red).
The MAST CAUT display is cancelled.
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 4. Procedure
_________ Subtask 32-33-00-710-050
 A. Operational Test of the Gear Uplock and the Door Uplock Mechanical
 Control

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
 On the panel 110VU:

- operate the GRAVITY GEAR EXTN handle three turns in a clockwise-direction at a rate of one turn every five seconds.

2.
 On the panel 110VU:

- operate the GRAVITY GEAR EXTN handle three turns in a counterclockwise-direction at a rate of one turn every five seconds. Put it in its normal On the aircraft:
-
the NLG and MLG door uplock hooksmove to the open and unlockedposition

-
the input levers of the cut-out valves and the vent valves move to the operated position

 -
the NLG and MLG uplock hooks move to the open and unlocked position.

 If necessary, use an applicable tool to move the uplock hooks to the fully open position.
 On the panel 402VU:
 -
the red LDG GEAR UNLK warning lights go off.

 On the ECAM lower DU:

 -
the message UPLOCK goes out of view

 -each landing gear door symbol is shown fully open (amber)
 -the amber crosses are replaced by landing gear down and locked symbols (green triangles).
 On the ECAM upper DU, the message L/G GEAR UPLOCK FAULT goes out of view.
On the aircraft:
-
the free-fall mechanism on the NLGand MLG door and gear-uplocks goesback to the rigged position (systemreset)

-
the input levers of the cut-out

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 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------(stowed) position. valves and the vent valves go back to the rigged position (system reset). ________
5. Close-up
 Subtask 32-33-00-410-061
 A. Close Access
 (1)
 Put and lock these handles in the OPEN position:

 -
the two MLG door ground-control-handles

 -
the NLG door ground-opening-handle.

 (2)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (3)
 Close the NLG doors (Ref. TASK 32-22-00-410-001).

 (4)
 Close the MLG doors (Ref. TASK 32-12-00-410-001).

 (5)
 On the ECAM lower DU, the L/G door symbols change to the closed and locked position (green in-line).

 (6)
 On the panel 402VU, the LDG GEAR down and locked indicator lights are on (green triangles).

 Subtask 32-33-00-860-062
 B. Aircraft Maintenance Configuration
 (1)
 Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).

 (2)
 De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

 Subtask 32-33-00-942-060
 C. Removal of Equipment
 (1)
 Remove the safety barriers.

 (2)
 Remove the warning notice(s).

 (3)
 Remove the access platform(s).

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 (4) Remove the ground support and maintenance equipment, the special and

 standard tools and all other items.

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 TASK 32-33-00-710-002
 Operational Check of the Cut-Out Valve (2515GM)
 WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE.
　
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