SEE A
STANDBY SYSTEM
PRESSURE MODULE
SEE C
FWD
SYSTEM B
KEEL BEAM (REF) PRESSURE MODULE
SEE B
WHEEL WELL
TO ENGINE NO. 1
THRUST REVERSER
TO SYSTEM PRESSURE
TRANSMITTER
EDP LOW PRESSURE SWITCH
TO FLIGHT CONTROL MODULE
TO ENGINE NO. 1
EMDP LOW PRESSURE SWITCH THRUST REVERSER
TO ALTERNATE BRAKE SOURCE SELECTOR VALVE AND SPOILER CONTROL VALVE
FROM EDP (NOT SHOWN)
EDP CHECK VALVE
EMDP CHECK VALVE
EDP PRESSURE FILTER
FROM FLIGHT CONTROL MODULE TO LANDING GEAR (NOT SHOWN)
TRANSFER VALVE
FROM EMDPEMDP PRESSURE FILTER
TO RETURN FILTER MODULE FROM PTU
TO PTU FWD
A
Hydraulic Systems A, B, and Standby Pressure Modules
Figure 11 (Sheet 1)
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A 737-300/400/500MAINTENANCE MANUAL
TO SYSTEM PRESSURE TRANSMITTER
TO ENGINE NO. 2 THRUST REVERSER AND LANDING GEAR TRANSFER VALVE
FROM EMDP (NOT SHOWN)
EMDP CHECK VALVE
EDP CHECK VALVE
EMDP PRESSURE FILTER
TO RETURN FILTER MODULE
LEADING EDGE DEVICES MOTOR-OPERATED SHUTOFF VALVE
TO THRUST REVERSERS
LOW PRESSURE
SENSOR
TO LEADING EDGE DEVICES
STANDBY PRESSURE
FILTER
RETURN LINE
TO RESERVOIR
FROM STANDBY
EMDP CASE DRAIN
FWD
TO LEADING EDGE DEVICES, BRAKES, AND FLAP PRIORITY VALVE
EMDP LOW PRESSURE SWITCH
EDP LOW PRESSURE SWITCH
TO ENGINE NO. 2 THRUST REVERSER AND PTU PRESSURE SWITCH
FROM EDP
TO FLIGHT CONTROL MODULE
EDP PRESSURE FILTER
B
STANDBY RUDDER MOTOR-OPERATED SHUTOFF VALVE
TO STANDBY RUDDER
STANDBY SYSTEM
RETURN LINE
FROM STANDBY EMDP
SELF-SEALING
DISCONNECT
REAR BULKHEAD WHEEL WELL (REF)
UP
STANDBY CASE DRAIN
FWD
FILTER MODULE (REF)
C
Hydraulic Systems A, B, and Standby Pressure Modules
Figure 11 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SYSTEMS A AND B EMDP
SYSTEM A EDP CASE
CASE DRAIN FILTERS
DRAIN FILTER
SEE A
SEE C
SYSTEM B EDP CASE DRAIN FILTER
SEE C
STANDBY SYSTEM EMDP CASE DRAIN FILTER
SEE B
SYSTEM B RESERVOIR (REF)
SYSTEM B
SYSTEM A EMDP (REF)
RESERVOIR (REF)
SYSTEM A EMDP (REF)
SYSTEM B EMDP CASE DRAIN FILTER
SEE D
SYSTEM A EMDP CASE DRAIN FILTER
SEE D
A
Hydraulic Systems A, B, and Standby Case Drain Filters Figure 12 (Sheet 1)
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A
737-300/400/500
MAINTENANCE MANUAL
STANDBY PRESSURE FILTER (REF) REAR BULKHEAD WHEEL WELL
RETURN LINE TO RESERVOIR FROM STANDBY EMDP CASE DRAIN STANDBY CASE DRAIN FILTER SEE D FWD UP
B
1 CHECK VALVE
OUT IN SPOILER HINGE (REF)
FLAP DRIVE TORQUE TUBE (REF)
CASE DRAIN FILTER SEE D
C 2
1
CHECK VALVE TO BE INSTALLED IN OUTFLOW PORT ONLY
2
SYSTEM B FILTER SHOWN, SYSTEM A OPPOSITE
Hydraulic System A, B, and Standby Case Drain Filters Figure 12 (Sheet 2)
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