(3)
The removal of the filter
(4)
The installation of the filter
(5)
The removal of the relief valve
(6)
The installation of the relief valve.
TASK 29-15-81-002-001
2. Standby Hydraulic System Module Removal (Fig. 201)_______________________________________
A. Standard Tools and Equipment
(1) Container to catch hydraulic fluid
B. References
(1)
12-40-00/201, Cleaning and Washing
(2)
29-09-00/201, Hydraulic Reservoir Pressurization System
C. Access
(1) Location Zone
215 Keel Beam
D. Procedure
S 862-007
(1)
Release pressure from system B and standby hydraulic reservoirs (Ref 29-09-00/201).
S 862-008
(2)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6-2 Circuit Breaker Panel 1) FLIGHT CONTROL SHUTOFF VALVES STBY RUD
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
SEE A
PRESSURE SWITCH
PRESSURE RELIEF VALVE
SEE B
FILTER SEE C SHUTOFF VALVE FOR
SHUTOFF VALVE FOR
THE LEADING EDGE
THE STANDBY RUDDER
MANUAL LEVER FOR THE SHUTOFF VALVE
FWD
A
Standby Hydraulic System Pressure Module Figure 201 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
BACKUP RING
O-RING
BACKUP RING (EXAMPLE)
RELIEF VALVE
PRESSURE MODULE HOUSING
PRESSURE RELIEF VALVE
(TURNED)
OUTLET FITTING BACKUP RING O-RING BACKUP RING
PRESSURE MODULE HOUSING
FILTER
C
Standby Hydraulic System Pressure Module
Figure 201 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(b)
P6-11 Circuit Breaker Panel
1) STBY HYD PUMP NORMAL
(c)
P6-12 Circuit Breaker Panel
1) STBY HYD PUMP (ALT)
S 032-009
(3)
Disconnect the electrical connectors from the leading edge flap standby drive shutoff valve, the low pressure switch and the standby rudder actuator shutoff valve.
S 032-010
(4)
Disconnect all the hydraulic lines on the module.
S 682-011
(5)
Drain the hydraulic fluid into a container.
S 162-012
(6)
Clean all hydraulic fluid from the installation area if it is necessary (Ref 12-40-00/201).
S 432-013
(7)
Install plugs to all the hydraulic lines.
S 432-016
(8)
Install caps on the open fittings of the module.
S 032-014
(9)
Remove the mounting bolts.
S 022-015
(10)
Remove the standby pressure module.
TASK 29-15-81-402-002
3. Standby Hydraulic System Module Installation (Fig. 201)____________________________________________
A. Consumable Materials
(1)
D00567 Skydrol Assembly Lube - MCS 352
(2)
D00568 Fluid - Hydraulic, BMS 3-11
B. References
(1)
12-12-00/301, Hydraulic Reservoir
(2)
24-22-00/201. Manual Control
(3)
29-09-00/201, Hydraulic Reservoir Pressurization System
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