____ R to extend and downlock. This is the time taken from release of R the leg from the uplock to when the NLG lock link goes fully R over center.
R NOTE : During this test the ECAM will show unwanted indications,
____ R which you can ignore.
R NOTE : During this test make sure that the ECAM upper display does
____ R not show the message L/G LGCIU 1 (2) FAULT.
R (3) Do the test that follows:
R -------------------------------------------------------------------------------R ACTION RESULT R -------------------------------------------------------------------------------
R 1. On the panel 110VU: R
R - turn the GRAVITY GEAR EXTN R handle clockwise two full turns R R - if the NLG doors do not fully R open, help them to fully open R with your hand R
R NOTE : There are no aerodynamic
____ R effects on the doors R during this test. This is R why the doors do not R always fully open.
R R - make sure that the NLG doors R are fully open, then turn the R GRAVITY GEAR EXTN handle R clockwise one full turn (to R release the leg from its R uplock)
R - make sure that the GRAVITY GEAR R EXTN handle will not turn more R than 3 turns. Do not use aOn the aircraft:
-
at the end of the second turn the NLG doors have released and started to open
-
at the end of the third turn the NLG leg has unlocked and started to extend.
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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
force of more than 2 daN (4.4961 lbf) when you turn the GRAVITY GEAR EXTN handle.
2. On the aircraft:
-monitor the time taken for the NLG leg to extend.
NOTE : You should be on the
____ ground when you monitor this time. This time is measured from when the NLG leg starts to move, to the end of the downlock link movement.
Subtask 32-33-00-860-072On the aircraft:
-the time taken must be 11.5 +/- 5seconds.
On the panel 402VU:
-the green triangle 9GB on the L/G annunciator panel comes into view.
On the ECAM lower DU, after 30 seconds:
-two green triangles come into view
-the three door symbols will show doors open (white) or doors in transit (amber).
On the ECAM upper DU, after 30 seconds,
these captions will come into view:
L/G DOOR NOT CLOSED
MAX SPEED 250.
B. Aircraft Maintenance Configuration WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR DOORS ARE
_______
CLEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR.
_______
R (1) Install the GROUND SAFETY LOCK on the NLG leg (Ref. TASK 32-00-00-481-001).
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(2) Visually examine the NLG leg to make sure that it is fully down and locked.
NOTE : The L/G doors do not close after Free-Fall operation.
____ R (3) Remove the GROUND SAFETY LOCK from the NLG leg.
(4) On the panel 400VU, move the landing-gear control-lever 6GA to the DOWN position (to reset hydraulic system).
WARNING : WHEN THE GRAVITY GEAR HANDLE IS OPERATED THE L/G DOORS WILL
_______
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