A320飞机维护手册 AMM LANDING GEAR 起落架5(122)

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 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
 CAUTION : MAKE SURE THAT THE RIGGING PINS ARE REMOVED BEFORE OPERATION OF THE
_______ FREE FALL SYSTEM. DAMAGE WILL OCCUR IF THE RIGGING PINS ARE INSTALLED DURING SYSTEM OPERATION.
 1. Reason for the Job
__________________
 To do an operational check of the Cut-Out Valve (2515GM) with the aircraft weight on wheels.
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific non-metallic rod No specific safety barriers No specific warning notice 98F32304000000 6 FALSE TARGET
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 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-10-00-863-001  Pressurize the Green Hydraulic System
 29-10-00-864-001  Depressurize the Green Hydraulic System
 32-00-00-481-001  Installation of the Safety Devices on the Landing
 Gears
 32-00-00-481-002  Installation of the Safety Devices on the Landing
 Gear Doors
 32-00-00-860-001  Flight Configuration Precautions with Electrical
 Power
 32-00-00-860-002  Ground Configuration after Flight Configuration with
 Electrical Power
 32-12-00-010-001  Open the Main Gear Doors for Access
 32-12-00-410-001  Close the Main Gear Doors after Access
 32-22-00-010-001  Nose Gear Doors - Ground Doors Opening
 32-22-00-410-001  Nose Gear Doors - Ground Doors Closing
 3. Job Set-up__________
 Subtask 32-33-00-941-067
 A. Safety Precautions

 (1)
 Put the safety barriers in position.

 (2)
 Install the ground safety locks on the landing gear (Ref. TASK 32-00-00-481-001).

 (3)
 On the panel 400VU:

 -make sure that the landing-gear control-lever 6GA is in the DOWN position
 -put a warning notice in position to tell persons not to operate the landing gear.

 (4)
 On the panel 110VU, make sure that the GRAVITY GEAR EXTN handle is folded into the center console.

 (5)
 Put a warning notice in position to tell persons not to pressurize the hydraulic system.

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 Subtask 32-33-00-869-087
 B. Flight Configuration Precautions
 (1) Do the flight configuration precautions (Ref. TASK 32-00-00-860-001). Subtask 32-33-00-865-077
 C. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34
 Subtask 32-33-00-010-064
 D. Get Access WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR DOORS ARE
_______
 CLEAR.

 (1) On the panel 110VU, turn the GRAVITY GEAR EXTN handle clockwise two complete turns to fully open the L/G doors.
 NOTE : If the NLG doors do not fully open, manually help them to
____
 fully open.

 (2)
 Make sure that all the L/G doors are fully open.

 (3)
 Install the safety devices on the landing-gear Doors (Ref. TASK 32-00-00-481-002).

 4. Procedure
_________ Subtask 32-33-00-710-054
 A. Operational Check of the Cut-Out Valve (2515GM) in the Free Fall Position
 -Mechanical WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR DOORS ARE
_______
 CLEAR.

 WARNING : DO NOT PUT YOUR FINGERS IN THE UPLOCK MECHANISM. THIS IS
_______
 DANGEROUS.

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 (1)
 Use a non-metallic rod to carefully close the NLG and MLG uplock hooks.

 (2)
 On the panel 110VU, turn the GRAVITY GEAR EXTN handle clockwise one full turn.

 (3)
 Make sure that the NLG and MLG uplock hooks are fully opened. NOTE : If the NLG and MLG uplock hooks do not fully open, use the

　
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