(4)
IPC 32-11-24 Fig. 1
B.
Access
(1)
Location Zone
735 Wing Landing Gear, LH
745 Wing Landing Gear, RH
C.
Remove the Relief Valve
(1)
Install the ground locks in all landing gear (Ref 09-11-00/201).
S 864-020
S 494-021
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2) Do this task: "Installation of the Door Locks on the Wing Landing Gear" (Ref 32-00-30/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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ALL ú ú 01 Page 401 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
SEE A
WING GEAR
STRUT
BLEED VALVE
ATTACHING
BOLT
(4 PLACES)
WING GEAR TRUCK
POSITIONING ACTUATOR
RELIEF
VALVE
BELLCRANK
A
Wing Gear Truck Positioning Actuator Relief Valve Installation
Figure 401
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 494-025
(3)
Do this task: "Installation of the Door Locks on the Body Landing Gear" (Ref 32-00-30/201).
S 844-004
(4)
Do this task: "Hydraulic system depressurization system No. 4" (AMM 29-11-00/201).
S 844-005
WARNING: YOU MUST RELEASE THE PRESSURE FROM THE ACTUATOR BEFORE YOU
_______ DISCONNECT THE HYDRAULIC LINES FROM THE ACTUATOR. HYDRAULIC FLUID IS UNDER PRESSURE AND CAN CAUSE INJURY TO PERSONS.
(5)
Open the bleed valve and release the pressure from the actuator.
S 024-006
(6)
Remove bolts which connect the relief valve to the actuator and remove the relief valve.
S 034-007
(7)
Remove and discard the O-ring and the backup rings from the relief valve.
TASK 32-11-29-404-008
3. The Relief Valve Installation on the Truck Positioning Actuator of the Wing
___________________________________________________________________________ Landing Gear (Fig. 401)
____________
A. Consumable Materials
(1)
D00153 Hydraulic Fluid (Fire Resistant) - BMS 3-11
(2)
A00027 Adhesive - RTV - BAC5010 Type 60
B.
References
(1)
09-11-00/201, Towing
(2)
12-12-01/301, Hydraulic Supply
(3)
29-11-00/201, Main Hydraulic Supply System
(4)
32-00-30/201, Landing Gear Door Locks
(5)
IPC 32-11-24 Fig. 1
C.
Access
(1)
Location Zone
735 Wing Landing Gear, LH
745 Wing Landing Gear, RH
D.
Install the Relief Valve
(1)
Install the ground locks in all landing gear (Ref 09-11-00/201).
S 864-022
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 864-023
WARNING:_______ YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE
QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS
CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 起落架 LANDING GEAR 2(64)
