A320飞机维护手册 AMM LANDING GEAR 起落架4(113)

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R  Subtask 32-31-14-941-056 
R  E. Preparation for the Test 
R  (1) Make sure that the work area is clean and clear of tool(s) and other 
R  items. 
R  (2) Remove the safety pin from the door ground-opening handle. 
R  (3) Put the door ground-opening handle in the open position. 
R  (4) Install the safety pin on the handle. 
R  (5) Make sure that the NLG door uplock assy (2534GM) is in the open 
R  configuration. 
R  (6) Remove the container below the NLG door uplock assy (2534GM). 
R  (7) Make sure that the travel range of the NLG doors is clean and clear 
R  of tools and other items. 
R  (8) Remove the access platform(s). 
R  (9) Pressurize the Green hydraulic system 
R  (Ref. TASK 29-00-00-864-001). 
R  (10) Adjust the hydraulic power unit for minimum pressure and flow rate. 
R  (11) Do 5 full DOOR CLOSE/DOOR OPEN cycles (Ref. TASK 32-22-00-010-001), 
R  (Ref. TASK 32-22-00-410-001) to bleed the hydraulic system.

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R  Subtask 32-31-14-720-051 
R  F. Functional Test 
R  (1) Do an operational test of the landing gear doors (Ref. TASK 32-31-00-
R  710-002). 
R  (2) Open the NLG doors (Ref. TASK 32-22-00-010-001). 
R  (3) Put the access platform in position below the NLG door uplock assy 
R  (2534GM). 
R  (4) Make sure that there is no hydraulic fluid leakage from the NLG door 
R  uplock assy (2534GM). 
R  (5) If necessary fill the reservoir of the Green hydraulic system to the 
R  correct level (Ref. TASK 12-12-29-611-001). 
R  5. Close-up________ 
R  Subtask 32-31-14-410-052 
R  A. Close Access 
R  (1) Remove the warning notice(s). 
R  (2) Remove the access platform(s). 
R  (3) Make sure that the work area is clean and clear of tool(s) and other 
R  items. 
R  (4) Close the doors of the nose landing gear (Ref. TASK 32-22-00-410-
R  001).

 

R R  Actuator of the NLG Uplock Assy Figure 402/TASK 32-31-14-991-003
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 BYPASS VALVE - NLG DOOR GROUND OPENING (2533GM) - REMOVAL/INSTALLATION
______________________________________________________________________ TASK 32-31-15-000-001 Removal of the NLG Door Ground Opening Bypass Valve (2533GM) WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
 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)

 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 32-31-15-991-001 Fig. 401
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 3. Job Set-up
__________ Subtask 32-31-15-860-050
 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 32-31-15-010-050
 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 32-31-15-941-050
 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.
　
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