R 4_ Safety the cable end (6) in position with a cable-tie.
(2) Make sure that a GROUND LOCK SLEEVE is installed on the applicable MLG door actuating cylinder (Ref. TASK 32-00-00-481-002).
(3) Disconnect the applicable MLG door actuating cylinder from the MLG door (Ref. TASK 32-31-35-000-001).
R R (4) Hold the body of the door actuating cylinder to prevent damage caused by small movement of the ram.
R (5) Pressurize the Green hydraulic system (Ref. TASK 29-10-00-863-001).
(6) If the free-fall system was used to open the MLG doors, reset the free-fall system (Ref. TASK 32-33-00-720-001).
(7) Make sure that the by-pass valve operating lever is in the normal position as follows:
R R (a) Put the RIGGING PIN (98DNSA20208040) through the operating lever and the by-pass valve rigging pin holes.
R R R (b) If RIGGING PIN installation is not possible (because the operating lever and the by-pass valve rigging pin holes are not aligned), do the steps that follow:
R R R 1_ Remove the safety clip(s) and the tag(s) and close this(these)circuit breaker(s): 1GA, 52GA.
R R 2_ Manually move the operating lever until the lever and theby-pass valve rigging pin holes are aligned.
R R 3_ Put the RIGGING PIN through the operating lever and theby-pass valve rigging pin holes.
R R 4_ Open, safety and tag this(these) circuit breaker(s):1GA, 52GA.
R R (c) Remove the RIGGING PIN and safety the operating lever in the rigged position with MISCELLANEOUS (Material No. 19-010) through the rigging pin holes.
R (8) Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001).
(9) On the panel 110VU, turn the GRAVITY GEAR EXTN handle clockwise two full turns.
(10) Connect the applicable MLG door actuating cylinder (Ref. TASK 32-31-35-400-001).
(11) Remove the GROUND LOCK SLEEVE from the MLG door actuating cylinders.
R (12) Pressurize the Green hydraulic system (Ref. TASK 29-10-00-863-001).
(13) Close the MLG doors as follows:
R R R (a) Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1GA, 52GA.
R (b) On the panel 110VU, turn the GRAVITY GEAR EXTN handle counterclockwise two full turns at a rate of one full turn every 5 seconds.
R (c) Fold the GRAVITY GEAR EXTN handle into the center console.
(14) Put the MLG door ground-control handle in the CLOSED position.
(15) Make sure that the MLG doors are closed and locked correctly.
WARNING : IF THE MLG DOOR CONTROLS DO NOT AGREE WITH THE POSITION OF_______ THE MLG DOORS, YOU MUST KEEP CLEAR OF THE LANDING GEAR BAY UNTIL: - YOU DEPRESSURIZE THE GREEN HYDRAULIC SYSTEM - YOU INSTALL A GROUND LOCK SLEEVE ON THE ACTUATING CYLINDER OF THE APPLICABLE OPEN DOOR(S). IF THE DOOR IS OPEN AND NOT SAFETIED, THERE IS A RISK THAT IT CAN CLOSE AND CAUSE INJURY.
R (16) Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001).
5. Close-up________
Subtask 32-12-00-410-055
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the applicable access panel(s):
FOR 2804GM - close 195BB
FOR 2805GM - close 196BB.
Subtask 32-12-00-865-073
R R B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 2GA, 1701GK, 1702GK.
Subtask 32-12-00-860-072
C. Aircraft Maintenance Configuration
(1) Connect the isolation coupling of the PTU (Ref. TASK 29-23-00-860-002).
Subtask 32-12-00-942-065
R D. Removal of Equipment
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本文鏈接地址：A320飛機維護手冊 AMM LANDING GEAR 起落架3(12)
