(4)
The lubrication of the outboard elevator
(5)
The operational test of the outboard elevator.
C.
The removal and installation procedure is the same for the left or the right outboard elevator.
TASK 27-31-02-004-001
2. Outboard Elevator Removal (Fig. 401)_________________________
A. Special Tools and Equipment
(1)
14OHME65B00184 Inboard and Outboard Elevator Sling
(2)
ST2580-267 Spanner Wrench Adapter Set
(3)
24MIT65B00002 Attach Lanyard - Safety Harness Wing/Horizontal Stabilizer
B.
References
(1)
AMM 06-09-06/201, Stabilizer and Elevator Access Doors and Panels
(2)
AMM 24-22-00/201, Manual Control
(3)
AIPC 27-31-02, Fig. 1
(4)
AIPC 27-31-12, Fig. 1
(5)
AIPC 55-50-14, Fig. 1
C.
Access
(1)
Location Zone
336 Outboard Elevator, LH
346 Outboard Elevator, RH
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-02
ALL ú ú 01 Page 401 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(2)
Access Panel
336DBL Leading Edge Hinge Maintenance Access Door
346DBR Leading Edge Hinge Maintenance Access Door
334LBL Horizontal Stab. Trailing Edge Access Panel
344LBR Horizontal Stab. Trailing Edge Access Panel
336JBL Leading Edge Hinge Maintenance Access Door
346JBR Leading Edge Hinge Maintenance Access Door
336MBL Leading Edge Hinge Maintenance Access Door
346MBR Leading Edge Hinge Maintenance Access Door
336QBL Leading Edge Hinge Maintenance Access Door
346QBR Leading Edge Hinge Maintenance Access Door
D.
Prepare for Removal
S 494-002
(1)
Attach the safety device to the receptacle on the top surface of the horizontal stabilizer.
S 864-003
(2)
Apply external power to the AC buses (AMM 24-22-00/201).
S 864-004
(3)
Set all FLT CONTROL HYD POWER TAIL switches on the P461 Pilots' Overhead Maintenance Panel in SHUTOFF.
S 864-006
(4)
Set the STAB TRIM 2 and 3 switches on the control stand to CUTOUT.
S 864-007
(5)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P7, Overhead Circuit Breaker Panel
1) 7E7, L STAB TRIM S/O VLV
2) 7E20, R STAB TRIM S/O VLV
(b)
P180, DC Power Distribution Panel
1) 180E7, ELEV/RUD VLV SYS 2
2) 180E22, ELEV/RUD VLV SYS 4
3) 180H8, ELEV/RUD VLV SYS 1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-02
ALL ú ú 02 Page 402 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
4) 180H23, ELEV/RUD VLV SYS 3
S 864-008
(6)
Remove external power from the AC buses if it is not necessary (AMM 24-22-00/201).
S 494-009
(7)
Attach the sling assembly:
(a)
Remove four bolts from the hoist points.
(b)
Attach the 140HME65B00154 sling.
S 014-010
(8)
Remove these access panels (AMM 06-09-06/201):
(a)
Access panels 334LB, 336BB, 336DB, 336JB, 336MB, 336QB for the left outboard elevator.
(b)
Access panels 344LB, 346BB, 346DB, 346JB, 346MB, 346QB for the right outboard elevator.
S 034-011
(9)
Remove the input control rod bolt (37) to permit the actuator ram to move.
S 864-012
(10)
Use the control column to move the elevator to the full up position.
S 864-013
(11)
Move the summing lever to follow the elevator movement (Fig. 402).
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(34)
