(2)
29-11-00/201, Main Hydraulic Supply System
C.
Access
(1)
Location Zone
311 Area Aft of Pressure Bulkhead, LH
312 Area Aft of Pressure Bulkhead, RH
(2)
Access Panel 312A Horizontal Stabilizer Jackscrew Access Door
D.
Procedure
(1)
Open the access door 312A (Ref 06-09-05/201).
S 682-011
(2)
Drain the unwanted fluid from the hydraulic standpipe assemblies.
(a)
Remove the cap.
(b)
Drain the unwanted fluid into a container.
(c)
Replace the cap.
S 012-003
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-00
ALL ú ú 01 Page 201 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
(3) S 862-007Do this task to pressurize the hydraulic systems No. 2 and 3: "Supply Hydraulic Power" (Ref 29-11-00/201).
(4) S 792-008Examine the standpipe assembly for hydraulic leaks.
(5) S 682-009Drain the unwanted fluid again for other standpipe assembly.
(6) S 862-012Do this task: "Remove Hydraulic Power" (Ref 29-11-00/201).
(7) S 432-010Close the access door 312A (Ref 06-09-05/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-00
ALL ú ú 01 Page 202 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
ELEVATOR CONTROL SYSTEM - ADJUSTMENT/TEST
_________________________________________
1. General
_______
A. There are three tasks in this procedure. There is one task each for the operational test, the adjustment, and the system test of the elevator control system. The procedure has these parts:
(1)
The operational test of the elevator control system
(2)
The adjustment of the elevator control system
(3)
The system test of the elevator control system.
TASK 27-31-00-715-001
2. Operational Test - Elevator Control System
__________________________________________
A. General
(1)
This task is an operational test of the elevator control system. To do this test, you will operate the elevator control system. During the test, it is necessary to monitor the EICAS to examine the movements of the elevator.
B.
References
(1)
24-22-00/201, Manual Control
(2)
29-11-00/201, Main Hydraulic Supply System
C.
Access
(1)
Location Zone
221, 222 Control Cabin
335 Inboard Elevator, LH
336 Outboard Elevator, LH
345 Inboard Elevator, RH
346 Outboard Elevator, RH
D.
Procedure
(1)
Do this task: "Supply Electrical Power" (Ref 24-22-00/201).
(2)
Do this task: "Supply Hydraulic Power" (Ref 29-11-00/201).
S 865-002
S 865-112
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-00
ALL ú ú 01 Page 501 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 865-005
(3)
Set all the FLT CONTROL HYD POWER TAIL switches on the P461 Pilots' Overhead Maintenance Panel to SHUTOFF.
S 715-007
(4)
Do a test of the hydraulic supply shutoff valves:
(a)
Make sure the valve indicator lights for systems No. 1, 2, 3, and 4 are on.
WARNING: MOVE ALL PERSONS AND EQUIPMENT AWAY FROM THE ELEVATORS
_______ BEFORE YOU MOVE THE CONTROL COLUMN. THE ELEVATORS CAN MOVE QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 飛行操縱 FLIGHT CONTROLS 3(15)
