(2)
The two stabilizer position indicators are electrically driven by the synchro transmitters in the left and right LSTM's. The synchro in the center LSTM is used for flight recorder information.
(3)
The RVDT's in the three LSTM's signal stabilizer trim position to corresponding SPM's.
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A
757
MAINTENANCE MANUAL
FIRST OFFICER'S
SEE A STABILIZER TRIM
POSITION INDICATOR
SEE B
FLIGHT COMPARTMENT
GREEN BAND RANGE
(2.0 TO 7.0 UNITS OF TRIM)
SEE B
INDICATING TAPE
FWD
AMBER AND WHITE CAPTAIN'S
OFF INDICATION STABILIZER TRIM
POSITION INDICATOR
A
ELECTRICAL CONNECTOR
STABILIZER TRIM POSITION INDICATOR
B
Stabilizer Trim Position Indicator Figure 1 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STAB TRIM LEVERS ON THE ú
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757
MAINTENANCE MANUAL
SEE C POSITION INDICATOR FIRST OFFICER'S STABILIZER TRIM
SEE D
FLIGHT COMPARTMENT
GREEN BAND RANGE (2.0 TO 7.0 UNITS OF TRIM)
INDICATING TAPE FWD
AMBER AND WHITE OFF INDICATION POSITION INDICATOR STABILIZER TRIM CAPTAIN'S SEE D
C
ELECTRICAL CONNECTOR
STABILIZER TRIM POSITION INDICATOR
D
Stabilizer Trim Position Indicator Figure 1 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH ALTERNATE STAB TRIM ú
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A
STABILIZER TRIM CONTROL
A
MODULE (STCM) (2 LOCATIONS) FWD
L
COMPONENT FUNCTION
UP LIMIT SWITCH 1
FLAPS RETRACTED UP LIMIT SWITCH 2
FLAPS NOT RETRACTED
SWITCH 3 D0WN LIMIT
GREEN
SWITCH 4 BAND
RVDT SPM (L)
CAPTAIN'S
SYNCHRO INDICATOR
ELECTRICAL CONNECTOR
757
MAINTENANCE MANUAL
STABILIZER TRIM LIMIT SWITCH AND POSITION TRANSMITTER MODULE (LSMT)
RIG PIN HOLE (EXAMPLE)
(EXAMPLE)
SEE B
STABILIZER TRIM BALLSCREW ACTUATOR
SWITCH A
SEE A
ACTUATION
A CAMS
GEARS
RVDT
SYNCHRO
SPLINED INPUT SHAFT (MISSING TOOTH)
MICRO SWITCH (EXAMPLE)
LSTM INTERNALS (EXAMPLE)
C
COMPONENT FUNCTION
UP LIMIT SWITCH 1
FLAPS RETRACTED UP LIMIT
SWITCH 2 FLAPS NOT RETRACTED
SWITCH 3 D0WN LIMIT
GREEN
SWITCH 4 BAND
RVDT SPM (C)
NOT
SYNCHRO USED
ELECTRICAL
CONNECTOR
LSTM FUNCTIONS
A-A
B R COMPONENT
FUNCTION
UP LIMIT SWITCH 1
FLAPS RETRACTED UP LIMIT
SWITCH 2 FLAPS NOT RETRACTED
SWITCH 3
DOWN LIMIT GREEN
SWITCH 4 BAND
RVDT
SPM (R) F/O'SSYNCHRO INDICATOR
ELECTRICAL
CONNECTOR
Stabilizer Trim Limit Switch and Position Transmitter Modules
Figure 2 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STAB TRIM LEVERS ON THE ú
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757 MAINTENANCE MANUAL 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(86)
