S 865-095
S 485-097
(4) Install the control wheel adapter and protractor on the captain's aileron control wheel.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-61-00
ALL ú ú 06 Page 524 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 485-098
(5) Install the straightedge across the edges of the thumbrests on the two aileron control wheels to make sure they are in the neutral position.
NOTE: One thumbrest projection can be a maximum of 0.05 inch
____
(1.27mm) away from the straightedge.
S 865-099
(6)
Put the speed brake lever in the DOWN position.
S 865-100
(7)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P7, Overhead Circuit Breaker Panel
1) 7G6, SPEED BRAKE AUTO CONT
E.
Do the Spoiler Control System Test
S 725-101
(1)
Examine the operation of the spoilers:
(a)
Turn the captain's aileron control wheel counterclockwise 15 degrees from zero. 1) Make sure that spoilers No. 1 thru 5 move up from the fully
down position.
(b)
Turn the aileron control wheel back to 8 degrees counterclockwise from neutral. 1) Make sure that spoilers No. 1 thru 5 are fully down.
(c)
Turn the captain's aileron control wheel clockwise 15 degrees from zero. 1) Make sure that spoilers No. 8 thru 12 move up from the
fully down position.
(d)
Turn the aileron control wheel back to 8 degrees clockwise from neutral (do not overshoot). 1) Make sure that spoilers No. 8 thru 12 are fully down.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-61-00
ALL ú ú 04 Page 525 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(e)
(f)
(g)
(h)
(i)
A
747-400
MAINTENANCE MANUAL
Find a reference point at the trailing edge of the spoiler to make a linear measurement of the spoiler travel. Subtract the actual clearance between the spoiler and the flap from the distance you measure.Turn the control wheel counterclockwise 83 degrees from zero. 1) Make sure that spoiler No. 3 moves 30.80 |0.98 inches
(782.32+/-24.89mm) (45 |1.5 degrees) up from zero. 2) Make sure that spoiler No. 5 moves 18.70 |1.45 inches
(474.98 +/36.83mm)(20 |1.5 degrees) up from zero. 3) Make sure that spoilers No. 1 and 2 align in the limit of
0.50 inch (12.7mm)(0.7 degrees). 4) Make sure that spoilers No. 3 and 4 align in the limit of
0.50
inch (12.7mm) (0.7 degrees). 5) Make sure that spoilers No. 2 and 3 align in the limit of
1.40
inches (35.56mm) (2.0 degrees). 6) Make sure that spoilers No. 6 thru 12 are in the fully down
position.Turn the aileron control wheel to 10.0 +4.0/-2.0-degree travel. 1) Make sure that all spoilers are in the fully down position.Turn the aileron control wheel clockwise to 83 degrees from neutral. 1) Make sure that spoilers No. 1 thru 7 are in the fully down
position. 2) Make sure that spoiler No. 10 is 30.80 |0.98 inches (782.32 +/-24.89mm) (45 |1.5 degrees) up from zero. 3) Make sure that spoiler No. 8 is 18.70 |1.45 inches
(474.98 |36.83mm)(20 |1.5 degrees) up from zero. 4) Make sure that spoilers No. 11 and 12 align in the limit of
0.50 inch (12.7mm)(0.7 degrees). 5) Make sure that spoilers No. 9 and 10 align in the limit of
0.50
inch (12.7mm) (0.7 degrees). 6) Make sure that spoilers No. 10 and 11 align in the limit of
1.40
inches (35.56mm) (2.0 degrees).Turn the aileron control wheel to 10.0 +4.0/-2.0-degree travel. 1) Make sure that all spoilers are in the fully down position.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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 飞行操纵 FLIGHT CONTROLS 6(41)
