APL
NOSE DN
APL
NOSE UP
STAB TRIM STAB TRIM
ALTN
STAB TRIM
NOSE APL 0 NOSE APL 0
DOWN DOWN
2 2
S S
A T 4 A T 4
B 6 B 6
T T
R 8 R 8
I I
M 10 M 10
12 12
UP NOSE APL F F O 16 14 NORM UP NOSE APL F F O 16 14
CUT
OUT
C R
STAB TRIM
POSITION STABILIZER
INDICATOR TRIM SHUTOFF CONTROL STAND PANEL, P10
(2 LOCATIONS) SWITCHES
A
Horizontal Stabilizer Trim Control System
Figure 501 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH ALTERNATE STAB TRIM ú
27-48-00
SWITCHES ON THE CONTROL STAND ú ú 02 Page 504 ú Sep 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
MASTER CAUTION AND WARNING LIGHTS (2 LOCATIONS)
PILOT'S CENTER INSTRUMENT PANEL
Horizontal Stabilizer Trim Control System
Figure 501 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-48-00
ALL ú
ú 02 Page 505
ú Mar 20/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
STABILIZER COMPARTMENT COMPONENTS SEE A
SP2B SLA SLB
SLA SP1B SLB SP1A SP2A STABILIZER
RIG PIN
E/ST-5
HOLE
STABILIZER TRIM RIG PIN
AFT QUADRANT E/ST-4 HOLE
SEE B FWD
STABILIZER TRIM LIMIT
SWITCH AND POSITION STABILIZER TRIM
TRANSMITTER MODULE BALLSCREW
(3 LOCATIONS) RIG PIN ACTUATOR
CONNECTOR ELECTRICAL E/ST-3 HOLE SEE C
(EXAMPLE) A
Stabilizer Compartment Components
Figure 502 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STAB TRIM LEVERS ON THE ú
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CONTROL STAND ú
ú 02 Page 506
ú May 28/00
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A
757
MAINTENANCE MANUAL
SEE A STABILIZER COMPARTMENT COMPONENTS
SP2B SP2A SP3B SP3A STABILIZER
SP1B SP1A
STABILIZER TRIM LIMIT
SWITCH AND POSITION
TRANSMITTER MODULE RIG PIN
(3 LOCATIONS) HOLE E/ST5
RIG PIN HOLE E/ST4
FWD (EXAMPLE) ELECTRICAL CONNECTOR RIG PIN HOLE E/ST3 CSEE ACTUATOR BALLSCREW STABILIZER TRIM
A
Stabilizer Compartment Components Figure 502 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH ALTERNATE STAB TRIM ú
27-48-00
SWITCHES ON THE CONTROL STAND ú ú 02 Page 507 ú May 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
ST1A SLA ST2B ST2A SLB
ST1B
STABILIZER TRIM CONTROL MODULE (2 LOCATIONS) RIG PIN
RIG PIN
HOLE E/ST2
HOLE E/ST1
STABILIZER TRIM AFT QUADRANT
1 THE GAGE ASSEMBLY CAN BE USED TO ACCURATELY SET THE STABILIZER DIMENSION B TO 19.07 |0.01 INCHES.
TO USE, PUT THE GAGE ASSEMBLY AGAINST THE BALLSCREW SUCH THAT THE LOWER BOLTHEAD IS ON THE SHOULDER OF THE LOWER STOP. MAKE SURE THAT THE FEELER BLADE CANNOT BE PUT BETWEEN THE GAGE ASSEMBLY UPPER BOLTHEAD AND THE SHOULDER OF THE UPPER STOP. MAKE SURE THE SHOULDER OF THE UPPER STOP DOES NOT TOUCH THE UPPER BOLTHEAD.
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