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时间:2011-04-21 08:08来源:蓝天飞行翻译 作者:航空
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 (a)  
11B19, STAB TRIM ALT (IF INSTALLED)

 (b)  
11C12, STAB TRIM SHUTOFF LEFT

 (c)  
11C13, STAB TRIM SHUTOFF RIGHT


 S 865-002
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757
MAINTENANCE MANUAL

 (d)  
11H10, STAB TRIM POS IND LEFT
 or STAB TRIM LEFT POS IND


 (e)  
11H19, STAB TRIM POS IND RIGHT


 S 215-004
 (3)  Make sure that the RIGHT and CENTER STAB TRIM SHUTOFF valve switches on the control stand panel, P10, are in the NORM position.
 S 865-005
 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.
 (4)  
Pressurize the right and center hydraulic systems (AMM 29-11-00/201).

 S 215-006

 (5)  
Make sure the stabilizer is in the neutral position (4 units of trim).

 S 215-117

 (6)  
AIRPLANES WITH STAB TRIM LEVERS ON THE CONTROL STAND; make sure the STAB TRIM levers are in the neutral position.

 S 215-118

 (7)  
AIRPLANES WITH ALTERNATE STAB TRIM SWITCHES ON THE CONTROL STAND; make sure the alternate stab trim switches are in the neutral position.

 S 715-120

 (8)  
AIRPLANES WITH STAB TRIM LEVERS ON THE CONTROL STAND; do the steps that follow to make sure the position indicating system shows stabilizer movement correctly:

 (a)  
Move the STAB TRIM levers full forward and hold.

 1)  Make sure the position indicators for the stabilizer trim system correctly follow the movement of the stabilizer until it stops (0 | 1/4 units of trim).

 (b)  
Release the STAB TRIM levers.

 1)  Make sure the STAB TRIM levers go to the neutral position when you release them.

 (c)  
Move the STAB TRIM levers full aft and hold.

 1)  Make sure the position indicators correctly follow the movement of the stabilizer until it stops (15.5 | 1/4 units of trim).

 (d)  
Release the STAB TRIM levers.


 1)  Make sure the STAB TRIM levers go to the neutral position when you release them.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-48-00
 ALL  ú ú 03 Page 502 ú Jan 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

GLARESHIELD PANEL (P7) SEE B
PILOT'S CENTER INSTRUMENT PANEL
SEE C
CONTROL STAND (P10)
SEE A
STAB TRIM
LEVERS

STAB TRIM STAB TRIM
APL
APL NOSE
0 0
NOSE
DOWN DOWN
2 2
S
S T
T A
4 4
A
B B
6 6
T
T R
R
8 8
I
I M
M
10 10
12
12 O
ONORM14 14
APL F APL F
NOSE
NOSE UP F
16 16
UP F
CUT
OUT
CR
STAB TRIM
POSITION STAB TRIM
CONTROL STAND (P10)
INDICATOR SHUTOFF (2 LOCATIONS) SWITCHES
A
Horizontal Stabilizer Trim Control System Figure 501 (Sheet 1)
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 27-48-00
 CONTROL STAND  ú ú 03 Page 503 ú Sep 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

GLARESHIELD PANEL, P7 SEE B
PILOT'S CENTER 
INSTRUMENT PANEL  CONTROL STAND 
SEE  C  PANEL, P10 
SEE  A 
ALTERNATE 
 
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