(2)
Regulated source of nitrogen - 0 to 200-psi maximum pressure
B. References
(1)
12-40-00/201, Cleaning and Washing
(2)
29-09-00/201, Hydraulic Reservoir Pressurization System
(3)
29-15-00/201, Hydraulic Systems A, B and Standby
(4)
29-33-12/401, Hydraulic Fluid Quantity Transmitter Indicator
C. Access
(1) Location Zone
216/217 Main Wheel Well
D. Prepare for Removal (Fig. 401)
S 864-006
(1)
Remove hydraulic power (Ref 29-15-00/201).
S 934-007
(2)
Put the DO-NOT-OPERATE tags on the applicable hydraulic system pump switches.
S 864-008
(3)
Release pressure from the hydraulic reservoir (Ref 29-09-00/201).
(4)
Open the drain valve.
S 034-014
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A
737-300/400/500
MAINTENANCE MANUAL
HYDRAULIC
SYSTEM
SEE A
SYSTEM A
RESERVOIR
SEE B RESERVOIR
PRESSURIZATION
MODULE
SYSTEM B
RESERVOIR
SEE C
FWD
HYDRAULIC SYSTEM A
Hydraulic Systems A and B Reservoir Removal/Installation
Figure 401 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
CLAMP
MOUNTING BOLT
(EXAMPLE) LINE FROM THE RESERVOIR
PRESSURIZATION MODULE
CLAMP BOLT FOR THE RESERVOIR PRESSURE LINE (EXAMPLE)RETURN AND FILL LINE MOUNTING BOLT FOR THE DRAIN VALVE
DRAIN VALVE (4 LOCATIONS)
EMDP SUPPLY LINE
EDP SUPPLY LINE
SYSTEM A RESERVOIR B
PRESSURE RELIEF VALVE
CLAMP BOLT FOR THE RESERVOIR PRESSURE LINE (EXAMPLE)
MOUNTING BOLT
(EXAMPLE)
LINE FROM THE RESERVOIR PRESSURIZATION MODULE
FILL LINE
RETURN LINE MOUNTING BOLT FOR THE DRAIN VALVE (4 LOCATIONS)
DRAIN VALVE EMDP SUPPLY LINE
EDP SUPPLY LINE
PTU SUPPLY LINE
SYSTEM B RESERVOIR C
Hydraulic Systems A and B Reservoir Removal/Installation Figure 401 (Sheet 2)
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A
737-300/400/500MAINTENANCE MANUAL
S 684-009
(5)
Drain the fluid from the reservoir into a container.
S 164-016
(6)
Clean all hydraulic fluid from the installation area if it is necessary (Ref 12-40-00/201).
E. Procedure
S 024-003
(1) Remove the hydraulic reservoir:
(a)
Disconnect the reservoir pressurization line and clamp.
(b)
Disconnect the hydraulic lines from the reservoir.
(c)
Install protective covers on the fittings and the hoses.
(d)
Disconnect the electrical connector from the fluid quantity transmitter.
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