757
MAINTENANCE MANUAL
(a) Slowly move the alternate stab trim switches through full travel and release. 1) Make sure there is no stabilizer movement. 2) Make sure the stabilizer trim position indicators show no
stabilizer movement. 3) Make sure the alternate stab trim switches go to the neutral position when you release them.
S 865-091
(9)
Open these circuit breakers on the P11 panel:
(a)
11H10, STAB TRIM POS IND LEFT
or STAB TRIM LEFT POS IND
(b)
11H19, STAB TRIM POS IND RIGHT
S 215-092
(10)
Make sure that an OFF indication is shown on the bottom of the stabilizer trim position indicator.
S 865-093
(11)
Close these circuit breakers on the P11 panel:
(a)
11H10, STAB TRIM POS IND LEFT
or STAB TRIM LEFT POS IND
(b)
11H19, STAB TRIM POS IND RIGHT
S 215-116
(12)
Make sure that the indicating tape is in view on the stabilizer trim position indicators.
S 865-094
(13)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
(a)
11C12, STAB TRIM SHUTOFF LEFT
(b)
11C13, STAB TRIM SHUTOFF RIGHT
S 865-095
(14) Put the RIGHT and CENTER STAB TRIM SHUTOFF valve switches on the P10 panel to NORM.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-48-00
ALL ú ú 01 Page 527 ú Jan 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
G. Stabilizer Takeoff Warning Test (Fig. 501)
S 865-096
(1)
Make sure that these circuit breakers on the P11 panel are closed:
(a)
11C12, STAB TRIM SHUTOFF LEFT
(b)
11C13, STAB TRIM SHUTOFF RIGHT
S 865-097
(2) Make sure that the RIGHT and CENTER STAB TRIM SHUTOFF valve switches on the P10 panel are in NORM.
S 865-098
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES
_______ WHEN HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(3)
Pressurize the right and center hydraulic systems
(AMM 29-11-00/201).
S 865-099
(4)
Move the horizontal stabilizer such that it is between 2.0 and 7.0 units of trim on the stabilizer trim position indicators.
S 865-100
(5)
Push and hold the takeoff warning test switch on the right sidewall panel, P61, for the full test.
S 215-101
(6)
Make sure that the indications that follow do not come on:
(a)
Red CONFIG light on the pilot's center instrument panel, P2
(b)
Captain's and first officer's master warning lights on the glareshield panel, P7
(c)
EICAS red warning message (STABILIZER)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-48-00
ALL ú ú 01 Page 528 ú Jan 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
(d) Aural warning siren.
(7) S 865-102Move the stabilizer trim control wheel switches up until the stabilizer is just out of the greenband range.
(8) S 215-103Make sure that the indications that follow come on: (a) Red CONFIG light on the P2 panel (b) Captain's and first officer's master warning lights on the P7 panel (c) EICAS red warning message (STABILIZER) (d) Aural warning siren.
(9) S 865-104Move the horizontal stabilizer such that it is between 2.0 and 7.0 units of trim on the stabilizer trim position indicator (greenband range).
S 215-105
(10)
Make sure that all of the warnings stop as soon as the stabilizer moves into the greenband range.
S 865-106
(11) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 4(100)
