(2)
Quick disconnect coupling half P/N 375530-12 with approx. 18 inch of hose
C. References
(1) 29-09-00/201, Hydraulic Reservoir Pressurization System
D. Access
(1) Location Zone
101 Control Cabin, LH
102 Control Cabin, RH
215 Keel Beam
E. Prepare for the Removal
S 864-002
(1)
Release pressure from the system B hydraulic reservoir (Ref 29-09-00/201).
S 494-037
(2)
Install the reservoir depressurization valve lock on the depressurization valve to the open position.
(3)
Put the FLT CONTROL A and B switches on the P5 panel to OFF.
(4)
Attach DO-NOT-OPERATE tags on the FLT CONTROL switches.
S 864-003
S 934-004
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE A
DEPRESSURIZATION VALVE FOR
THE SYSTEM B RESERVOIR
DEPRESSURIZATION VALVE FOR
FILL LINE THE SYSTEM A RESERVOIR
BALANCE LINE
STANDBY RESERVOIR
SEE B
RETURN LINE
SUPPLY LINE FOR
THE STANDBY EMDP
STANDBY EMDP
A
Standby Hydraulic System 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
(EXAMPLE)
STANDBY RESERVOIR
Standby Hydraulic System Reservoir Removal/Installation
Figure 401 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 024-044
CAUTION: MAKE SURE THAT YOU PULL DOWN ON THE KNURLED RING OF THE
_______ SELF-SEAL DISCONNECT BEFORE YOU TURN IT FOR REMOVAL. IF YOU DO NOT DO THIS, TOO MUCH TORQUE WILL BE NECESSARY TO TURN THE RING WHICH WILL DAMAGE THE SELF-SEAL DISCONNECT.
(5)
Remove the supply line for the standby hydraulic pump at the quick-disconnect at the bottom of the standby hydraulic reservoir.
S 434-005
(6)
Put the hose, with the quick-disconnect coupling half installed, into a container.
S 684-007
(7)
Drain the fluid into the container.
S 164-008
(8)
If you get hydraulic fluid on the airplane, clean it off immediately (Ref 12-12-00/301).
S 434-038
(9)
Connect the quick-disconnect on the hose to the quick-disconnect on the bottom of the standby reservoir.
F. Procedure
S 024-039
(1) Remove the standby reservoir:
(a)
Disconnect the balance line to the system B reservoir.
(b)
Install a protective cap.
(c)
Disconnect the return line.
(d)
Install a protective cap.
(e)
Disconnect the fill line.
(f)
Install a protective cap.
(g)
Remove the electrical connector and the low quantity switch.
(h)
Remove the fasteners that attach the standby reservoir to the mounting bracket.
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