BRAKES
SLATS FLAPS
FROM
L RESERVOIR
RUDDER RATIO
NOSE GEARLANDING GEARYAW DAMPER CHANGER
STEERING ACTUATION
POWER
TRANSFER UNIT
SUPPLY PRESSURE
HYDRAULIC
1 AIRPLANES WITH HYDRAULIC
HYDHYDMOTOR DRIVENPUMP
MOTOR RETURN AIR MOTOR-DRIVEN GENERATOR
GENERATOR
1
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Hydraulic System Schematic
Figure 13
A
757
MAINTENANCE MANUAL
NORM OPEN
OPEN
BAT BUS
28V DCFROM RESERVOIRENG HYD PUMP
M
SOV L
28V DC
L BUS
DISCH
CLOSE
(SH 2)
L ENG HYD PUMP
1 2 CLOSED
DEPRESS VLV
A
OFF FIRE 28V DC
ENG HYD PUMP L SUPPLY
R BUS
GROUND SVCE.INSTR
SHUTOFF VALVE DISCONNECTELEC HYD PUMP LEFT ENG FIRE
WW
LTS CONTROL L
SW ON
INLET
ENGINE
ENG FIRE CONT MDL EDP
ACCESS DRIVE
P11 DRAIN ON OUTLET L ENG HYD PUMPENG HYD PUMP L SEL SW DEPRESS VALVE CD IN
PIN
SYS
PRESS
RSVR
TO HYD TEMPL
TO PTU SYS
IND SYSHYD ENG
L EDP CASE DRNTEMP SW ON
TO HYD PRESS.
PRESS
IND SYSENG HYD PUMPOVHT L PRESS. SW ELEC
T
AUTO
PRESSEDP PRESS./
OVHT OFF
CASE DRAINFLTR MDL
B (SH 2)
1
HEATEXCH
W WON
ON 4100
P.S.I.
TO HYD PRESS.
R
ELEC HYD PUMP L SEL SW
4 SUPPLY
IND SYS
CD L HYD SYS
HYD CONTROL PANEL P OUT OUT RETURN PRESS. SW
2PRESSURE L HYD RETURN
3
Left Hydraulic System Schematic
Figure 14 (Sheet 1)
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H44347
A
757
MAINTENANCE MANUAL
FROMRESERVOIR INLET
115V/200V ACBUS R
A (SH 1)
B (SH 1) LEFT ACMPCONT RELAY 4 SECCONTROL MODULEL ACMP T/DMODULE T TO HYD TEMPCASEIND SYSDRAIN
ACMP ELCU
OUTLET
L ELECT HYD PUMP
MOTOR
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本文链接地址：757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 1(23)
