24-25-00
ú ú 03 Page 1 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
FLOW LIMITER (LOW FLOW)
FLOW LIMITER (HIGH FLOW)
SEE A
ACCUMULATOR
PRESSURE
GAGE
SEE D
CHARGING VALVE HYDRAULIC ACCUMULATOR
SEE B
B
HYD RETURN
HYD CASE LEFT WHEEL WELL
PORTPORT
A
HYD PRESSURE
PORT
HYD SERVO VALVE
HYD MOTOR
WIRING
ELECTRICAL HARNESS
CONNECTOR MOUNTING BOLTS (3 PLACES)
GENERATOR MANUAL OVERRIDE ARM POSITION INDICATOR
VALVE CLOSED
POSITION
HYD SEAL
DRAIN PORT
HYDRAULIC MOTOR-DRIVEN HYDRAULIC MOTOR-DRIVEN GENERATOR
GENERATOR SHUTOFF VALVE
DC
Hydraulic Motor-Driven Generator System Component Location Figure 1 (Sheet 1)
SEE C
VALVE OPEN POSITION
VALVE ACTUATOR MOTOR
ELECTRICAL CONNECTOR
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH 5 KVA HYDRAULIC MOTOR ú
24-25-00
GENERATOR ú
ú 02 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 2May 28/99
A
757 MAINTENANCE MANUAL
OVERHEAD CIRCUIT BREAKER PANEL P11
SEEE
RIGHT SIDE PANEL P61
MAIN POWER DIST PANEL P6
FLIGHT COMPT
SEE F
TEST
AIR DATA CONFIG L CMPTR R T/O GND PROX
L STALL R LDG HYD GEN
WING DUCT YAW DMPR EQUIP COOL ANTI ICE LEAK L FWD
WINDOW/ FUEL R AFT
PROBE HEAT QTY
MAIN EQUIPMENT CENTER
MISCELLANEOUS TEST PANEL
E
CONTROL
UNIT HYD GEN HYD GEN TIME DELAY TIME DELAY RESET RLY CONT RLY HYD GEN HYD GEN
VALVE CLOSE VALVE OPEN MOUNTING BOLTS (4 PLACES)
HYD GEN 28V DC POWER RLY
L AC BUS OFF SENSE RLY
R AC BUS OFF
SENSE RLY ELECTRICAL CONNECTOR
HYD GEN 115V AC 115V AC 115V AC CONT UNIT INST TRANS L TRANS R TRANS HYDRAULIC MOTOR-DRIVEN BUS RLY BUS RLY BUS RLY
SEE G GENERATOR CONTROL UNIT
GHYD GEN POWER PANEL P71
F
Hydraulic Motor-Driven Generator System Component Location Figure 1 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH 5 KVA HYDRAULIC MOTOR ú
24-25-00
GENERATOR ú
ú 03 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 3May 28/99
A 757 MAINTENANCE MANUAL
CENTRAL HYDRAULIC SERVICE CENTER
SEE B
LEFT WHEEL WELL
SEE A
HYDRAULIC MOTOR
GENERATOR SHUTOFF
VALVE
SEE D
HYDRAULIC FLOW HYDRAULIC FLOW
LIMITER LIMITER
(LOWER RATED) (HIGHER RATED)
HYDRAULIC MOTOR
GENERATOR
ACCUMULATOR
SEE E HYDRAULIC MOTOR CHARGING LINE
GENERATOR
SEE C
CHARGING FWD
LINE
PRESSURE LEFT WHEEL WELL GAGE
A
DUST CAP
CHARGING VALVE
CENTRAL HYDRAULIC SERVICE CENTER
B
Hydraulic Motor Generator System - Component Location Figure 1A (Sheet 1)
A51133
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH 10 KVA HYDRAULIC MOTOR ú
24-25-00
GENERATOR ú
ú 02 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 4May 28/99
A 757 MAINTENANCE MANUAL
P11 PANEL
P6 PANEL
FLIGHT COMPARTMENT
MOUNTING BOLT (3 LOCATIONS)
MANUAL OVERRIDE ARM POSITION INDICATOR
MISCELLANEOUS TEST PANEL SEE F
P61 PANEL
VALVE OPEN POSITION
VALVE ACTUATOR MOTOR
ELECTRICAL CONNECTOR
HYDRAULIC LINE
UNION
UNION VALVE CLOSED POSITION
HYDRAULIC MOTOR GENERATOR SHUTOFF VALVE
D
SUPPORT CLAMP
ACCUMULATOR
SUPPORT CLAMP
CHARGING
LINE
HYDRAULIC MOTOR
GENERATOR ACCUMULATOR
E
HYDRAULIC CASE PORT
HYDRAULIC PRESSURE PORT
HYDRAULIC
MOTOR
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