A320飞机维护手册 AMM LANDING GEAR 起落架1(87)

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_______ R GEAR.
R 1. Reason for the Job
__________________
R Self Explanatory
R 2. Job Set-up Information
______________________
R A. Fixtures, Tools, Test and Support Equipment
R -------------------------------------------------------------------------------R REFERENCE QTY DESIGNATION R -------------------------------------------------------------------------------
R No specific safety barriers R No specific warning notice R No specific access platform 2.5 m (8 ft. 2 in.) R 460006437 1 TOOL-HOLDING
R B. Referenced Information
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 29-10-00-864-001 R 29-10-00-864-002 R 29-14-00-614-001 R 29-23-00-860-001 R R 32-00-00-481-001 R R 32-00-00-481-002 R R 32-11-19-481-001 Depressurize the Green Hydraulic System Depressurize the Yellow Hydraulic System Depressurization of the Hydraulic Reservoirs Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU) Installation of the Safety Devices on the Landing Gears Installation of the Safety Devices on the Landing Gear Doors Installation of the MLG Spring-Expander Tool
 1EFF : ALL 1 32-00-00Page 232 1 1 Aug 01/05 1 1 1CES 1 1EFF : ALL 1 32-00-00Page 233 1 1 Aug 01/05 1 1 1CES 1 1EFF : ALL 1 32-00-00Page 234 1 1 Aug 01/05 1 1 1CES 1

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REFERENCE DESIGNATION
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R  32-00-00-991-006 Fig. 205 
R  32-00-00-991-007 Fig. 206 
R  3. Job Set-up__________ 
R  Subtask 32-00-00-941-060 
R  A. Safety Precautions 
R  (1) Make sure that the safety barriers are in position. 
R  (2) Make sure that the ground safety locks are installed on the landing 
R  gear and the landing gear doors (Ref. TASK 32-00-00-481-001) and 
R  (Ref. TASK 32-00-00-481-002). 
R  (3) On the panel 400VU: 
R  - make sure that the landing-gear control-lever 6GA is in the DOWN 
R  position 
R  - make sure that a warning notice is in position to tell persons not 
R  to operate the landing gear. 
R  (4) Make sure that a warning notice is in position to tell persons not to 
R  pressurize the Green and Yellow hydraulic systems. 
R  Subtask 32-00-00-860-058 
R  B. Aircraft Maintenance Configuration 
R  (1) Make sure that the isolation coupling of the PTU is disconnected 
R  (Ref. TASK 29-23-00-860-001). 
R  (2) Make sure that the Yellow and Green Hydraulic Systems are 
R  depressurized (Ref. TASK 29-10-00-864-002) and (Ref. TASK 29-10-00-
R  864-001). 
R  (3) Make sure that the applicable hydraulic system reservoir is 
R  depressurized (Ref. TASK 29-14-00-614-001) 
R  (4) Make sure that the access platform is in position below the 
R  applicable side-stay, at zone 733 or 743.

 

R  Subtask 32-00-00-865-056 
R  C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and 
R  tagged 
R  -------------------------------------------------------------------------------
R  PANEL DESIGNATION IDENT. LOCATION 
R  -------------------------------------------------------------------------------
R  49VU L/G/LGCIU/SYS1/NORM 1GA C09 
R  121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 
R  121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34 
R  4. Procedure_________ 
R  (Ref. Fig. 205/TASK 32-00-00-991-006, 206/TASK 32-00-00-991-007) 
R  Subtask 32-00-00-480-050 
R  A. Installation of the Brace Tool on the Lockstay Actuator 
R  WARNING : DURING THIS TEST, THE LOCK-STAY MUST STAY IN THE LOCKED OVER-_______ 
R  CENTER POSITION. DO NOT ADJUST THE SPRING EXPANSION TOOL OR THE 
R  LOCK-STAY BRACE TOOL TO MOVE THE LOCK-STAY INTO THE UNLOCKED 
R  OVER-CENTER POSITION. 
R  (1) Install the MLG spring expander tool (Ref. TASK 32-11-19-481-001). 
R  (2) Remove the MLG lockstay actuating cylinder as follows: 
R  (a) Remove and discard the cotter pin (5). 
R  (b) Remove the nut (4) and the washer (3). 
R  (c) Release the tab washer (11). 
R  (d) Use the TOOL-HOLDING (460006437) to hold the pin (8) and remove 
　
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