S 094-008
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASKS BELOW TO REMOVE
_______ THE DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(3) Do this task: "Wing Landing Gear Door Lock Removal"
(Ref 32-00-30/201).
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S 094-018
(4) Do this task: "Body Landing Gear Door Lock Removal" (Ref 32-00-30/201).
S 864-019
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(5) Pressurize hydraulic system No. 1 (Ref 29-11-00/201).
S 494-010
WARNING: YOU MUST CAREFULLY INSTALL THE GROUND LOCKS IN ALL LANDING
_______ GEAR. AN ACCIDENTAL RETRACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(6)
Install the ground locks in all landing gear (Ref 09-11-00/201).
S 864-021
(7)
Make sure that all persons and equipment are away from the operation area of the landing gear doors.
S 714-012
(8)
Do a check of the uplock-operated sequence valve:
WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE AWAY FROM THE DOOR
_______ OPERATION AREA. A FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(a) Move the control handle to the DN position for 3 minutes.
1) Make sure the doors for the body landing gear close and lock.
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2) Make sure there are no leaks at the sequence valve and the door actuator ports.
WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE AWAY FROM THE DOOR
_______ OPERATION AREA. A FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(b) Move the control handle to the UP position for 3 minutes. NOTE: You must push the button for the lever lock solenoid.
____
1) Make sure the doors for the body landing gear open. 2) Make sure there are no leaks at the sequence valve and the door actuator ports.
F. Put the Airplane to Its Usual Condition.
S 864-022 WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE AWAY FROM THE DOOR
_______ OPERATION AREA. A FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1)
Move the control handle to the DN position to close the doors. S 864-014
(2)
Remove hydraulic power from system No. 1 if it is not necessary (Ref 29-11-00/201).
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BODY LANDING GEAR UPLOCK-OPERATED SEQUENCE VALVE MECHANISM -
__________________________________________________________ REMOVAL/INSTALLATION
____________________
1. General
_______
A. This procedure contains these two tasks:
(1)
The removal of the mechanism for the uplock-operated sequence valve for the body landing gear
(2)
The installation of the mechanism for the uplock-operated sequence valve for the body landing gear.
B. 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機維護手冊 起落架 LANDING GEAR 4(138)
