(6)
Make sure that the travel ranges of the NLG doors are clear.
(7)
Remove the access platform(s). Subtask 32-31-15-720-050
E. Functional Test
(1)
Do 5 full DOOR CLOSE/DOOR OPEN cycles (Ref. TASK 32-22-00-410-001) (Ref. TASK 32-22-00-010-001).
(2)
Make sure that there are no anomalies during these operations.
(3)
Open the NLG doors (Ref. TASK 32-22-00-010-001).
(4)
Put the access platform in position below the NLG door ground opening bypass valve (2533GM).
(5)
Make sure that there are no leaks from the disconnected line ends.
(6)
If necessary fill the reservoir of the Green hydraulic system to the correct level (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002).
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5. Close-up
________ Subtask 32-31-15-410-050
A. Close Access
(1)
Remove the warning notice(s).
(2)
Remove the access platform(s).
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
(4)
Close the doors of the nose landing gear (Ref. TASK 32-22-00-410-001).
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ACTUATING CYLINDER - NLG DOOR (2531GM) - REMOVAL/INSTALLATION
_____________________________________________________________
TASK 32-31-16-000-001
Removal of the NLG Door Actuating Cylinder (2531GM)
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR.
_______
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking plugs
No specific safety barriers
No specific warning notice(s)
No specific access platform 2.06 m (6 ft. 9 in.)
No specific container 5 l (1.3208 USgal)
98D32303000000 1 ADAPTER-WRENCH
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 32-22-00-010-001 Nose Gear Doors - Ground Doors Opening 32-31-16-991-001 Fig. 401
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3. Job Set-up
__________ Subtask 32-31-16-860-051
A. Aircraft Maintenance Configuration
(1)
Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001)
(2)
Depressurize the reservoir of the Green hydraulic system. (Ref. TASK 29-14-00-614-001)
Subtask 32-31-16-010-050
B. Get Access
(1) Open the doors of the nose landing gear (Ref. TASK 32-22-00-010-001).
(2) Put the access platform in position in zone 123. Subtask 32-31-16-941-050
C. Safety Precautions
(1)
In the cockpit, on the panel 400VU put warning notice(s) in position to tell persons not to operate the landing gear control lever.
(2)
Put the warning notice(s) in position to tell persons not pressurize the Green hydraulic system: - on the panel 40VU in the cockpit, - on the ground service panel of the Green hydraulic system access
door (197CB).
(3)
Put the safety barriers in position.
(4)
Put a container in position below the NLG door actuating cylinder (2531GM).
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4. Procedure
_________
(Ref. Fig. 401/TASK 32-31-16-991-001) Subtask 32-31-16-020-051
A. Removal of the NLG Door Actuating Cylinder WARNING : MAKE SURE THAT THE NLG DOWNLOCK SAFETY PIN AND THE TWO DOOR
_______
SAFETY PINS ARE INSTALLED.
(1)
Disconnect the hydraulic lines (9) and (11) and put the blanking plugs is position.
(2)
Unlock the nut (1) and remove it with the ADAPTER-WRENCH (98D32303000201).
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