29-18-01
ALL ú ú 02 Page 402 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 024-027
(5)
Remove the hand pump from the bracket.
S 034-028
(6)
Remove the fittings from the inlet port and the outlet port of the hand pump.
S 034-029
(7)
Remove the O-rings from the fittings.
TASK 29-18-01-404-007
3. Hand Pump Installation (Fig. 401)______________________
A. Consumable Materials
(1)
D00153 Fluid - Hydraulic, Fire-Resistant, BMS 3-11
B.
References
(1)
AMM 32-00-30/201, Landing Gear Door Locks
(2)
AMM 36-00-00/201, Pneumatic System
(3)
IPC 29-18-01 Fig. 1
C.
Access
(1)
Location Zone
137A Body Landing Gear Wheel Well, LH
D.
Procedure
S 644-008
(1)
Apply hydraulic fluid to the O-rings and the threads of the fittings.
S 434-030
(2)
Install the O-rings on the fittings.
S 434-009
(3)
Install the fittings in the inlet port and the outlet port of the hand pump.
(4)
Put the hand pump in the bracket.
S 434-031
(5)
Install the two bolts, washers, and nuts to attach the hand pump to the bracket.
(6)
Connect the fill hose to the inlet port on the hand pump.
(7)
Connect the outlet tube to the outlet port on the hand pump.
S 424-010
S 434-011
S 434-032
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-18-01
ALL ú ú 01 Page 403 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(8) S 864-012Pressurize the pneumatic system (AMM 36-00-00/201).
(9) S 864-013Put the free end of the fill hose into a container of hydraulic fluid.
S 864-014
(10) Put the selector valve in an open position.
S 794-015 CAUTION: DO NOT PUT TOO MUCH HYDRAULIC FLUID IN THE HYDRAULIC RESERVOIR.
_______ THIS CAN CAUSE DAMAGE TO THE RESERVOIR.
(11)
Use the pump handle to operate the pump through a sufficient number of cycles to do a check for leaks.
S 864-016
(12)
Put the selector valve in the CLOSED position. S 864-017
(13)
Put the pump handle in its storage bracket. S 864-018
(14)
Put the free end of the fill hose in its storage tube.
S 094-033 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS ON 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.
(15)
Do this task: Body Landing Gear Door Lock Removal (AMM 32-00-30/201).
S 864-022
(16)
Release the pressure in the pneumatic system if it is not necessary (AMM 36-00-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-18-01
ALL ú ú 01 Page 404 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
SELECTOR VALVE - REMOVAL/INSTALLATION
_____________________________________
1. General
A. This procedure has two tasks. The first task removes the selector valve. The second task installs the selector valve.
B. The selector valve is in the left wheel well for the body landing gear.
TASK 29-18-02-004-001
2. Selector Valve Removal (Fig. 401).
______________________
A. References
(1)
AMM 09-11-00/201, Towing and Taxiing
(2)
AMM 32-00-30/201, Landing Gear Door Locks
(3)
IPC 29-18-02 Fig. 1
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 液压 HYDRAULIC 2(87)
