CONTMODULE "CONTROL""CONTROL"ELEV FEEL CMPTRAPL NOSEAPL NOSE
RETURN
INPUT ROD RIGHT HYD SYSTEM
DN SOL UP SOL
(SH1) (SH1)METERED PRESSURE
Horizontal Stabilizer Trim System Schematic
Figure 7 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STAB TRIM LEVERS ON THE ú
27-41-00
CONTROL STAND ú ú 01 Page 20 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
28V DC CUTOUT
1 INTERNALS
STBY
CLOSE
SAME AS LEFTBUS
SIDE OPPOSITE
A
EQUIPMENT
R STBY TRIM
SHUTOFF NORMAL
FLAPS
L STAB TRIM
UP CAPT INBD AFT OPEN
STAB í15.3STAB C/O SW
SHUTOFF SWUNITS STAB TRIM
1200/1700 PSI INDICATION
SHUTOFF VALVEP GND WHEN
MANUAL ELEC CAPT INBD FWD FLAPS
PB
TRIM
STAB .3.00
28V DC
STAB C/O SWNOT UP
ELEC HYD PUMP FLAPS UNITS & 1000 PSI
R SYS PRESS SW FLAPS/SLATS NOT UP
L
FLAPS UP
BUS
MACH TRIM BRAKE PRESS. SW
ELEC UNIT 1
L TRIM LIMIT
L STAB
CAPT OUTBD AFT SELECT RELAY
C
SHT
AUTO TRIM
NOSE UP STAB C/O SW
TRIM CONTROL AC
4
STAB .0.2
AIRPLANE NOSENOSE DOWN
UNITS & FLAPS
MONITOR UP "CONTROL" SOL
NOT UP CAPT OUTBD FWD
D STAB C/O SW
TRAVEL LIMIT SW'S
CAPT STAB TRIM
AA
CONTROL WHEEL SW
AIRPLANE NOSEL STAB TRIM/ELEV
RVDT
DN "CONTROL" SOLASYM LIMITERMOD (SAM)
E
STAB TRIM POSITION
28V DC
AAINDICATING SYSTEM
NOSE DOWN AIRPLANE NOSE
BATTERYAB AG AE
UP "ARM" SOLAC
CX
BUS NOSE UP
ALT
F
SYNCHRO
AD
STAB TRIM
AE
STAB IN/OUT
TAKEOFFGREENBAND RANGE L STAB TRIM LIMIT
NOSE DOWNAIRPLANE NOSE
WARNING SW & POSN XMTR MOD
AFDOWN "ARM" SOL
GREENBAND SWITCH AND AG
ANNUN L STAB TRIM CONT MOD
NOSE UP
C STAB TRIM LIMIT
NOSE DOWN
AH SW & POSN XMTR MOD UNSCHED STAB TRIM (Y)
STAB TRIM POSITIONSTAB TRIM (W,Y)NOSE UP
INDICATING SYSTEM
1 L EICAS COMPUTER
F/O OUTBD AFT AH
ALTERNATE
STAB C/O SWAF
STAB TRIM SWITCH
AA
(P10 QUADRANT STAND)
1 MD&T F/O OUTBD FWD1
1
STAB C/O SWSTAB TRIM LIGHT
1
28V DC
1
F/O STAB TRIM
1
R
1
CONTROL WHEEL SW
BUS
A
F/O INBD AFT
AA
FLAP/SLATSTAB C/O SW
R STABELEC UNIT 3
B
TRIM CONTROL
1
R STAB TRIM1
LIMIT SW & CR SAM
1
AD SHT UNSCHED STAB
POSN XMTR
28V DC
C HYD SYS R TRIM
4 TRIM LIGHTLIMIT
F/O INBD FWD MOD D
PRESSURE SW AB
STBY
STAB C/O SW SELECT EMISC ANNUNCIATOR PNL
BUS
1 RELAY
L STBY TRIM
F
1
SHUTOFF
R STAB TRIM R STAB TRIMP11 PNL SHUTOFF SW CONT MOD R EICAS COMPUTER
Horizontal Stabilizer Trim System Schematic
Figure 7 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH ALTERNATE STAB TRIM ú
27-41-00
SWITCHES ON THE CONTROL STAND ú ú 01 Page 21 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
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