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R  NLG doors are closed and locked 
R  - the green triangle 9GB on the L/G annunciator panel 402VU, goes 
R  off. 
R  NOTE : During the retraction of the NLG:____ 
R  - the red UNLK legend comes on when the NLG is not in the 
R  same position as the selector lever 
R  - the ECAM lower DU shows the change in the NLG position 
R  and the amber L/G CTL indication. 
R  4. Procedure_________ 
R  Subtask 32-33-00-720-063 
R  A. Functional Test of the NLG Free-Fall Extension 
R  WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR._______ 
R  CAUTION : DO NOT TURN THE GRAVITY GEAR EXTENSION HANDLE MORE THAN 3 FULL_______ 
R  TURNS. THIS CAN CAUSE DAMAGE TO THE FREE FALL EXTENSION SYSTEM. 
R  (1) On the panel 110VU, move the GRAVITY GEAR EXTN handle from the folded 
R  position. 
R  (2) Connect a spring balance capable of 5.0 da.N. to the end of the 
R  GRAVITY GEAR EXTN handle. 
R  NOTE : When you use the spring balance, it must:____ 
R  - be pulled at 90 DEG to the radius of the GRAVITY GEAR EXTN 
R  handle at a rate of one full turn every 5 seconds 
R  - show a force of between 0.5 daN (1.12 lbf) and 2 daN (4.5 
R  lbf).

 

____ 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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