C. Procedure
S 024-002
(1)
Remove the rain repellent spray nozzle (Ref 30-43-11/401).
S 864-003
(2)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P18 Panel
1) RAIN REPELLENT L
2) RAIN REPELLENT R
S 864-016
WARNING: YOU MUST RELEASE THE PRESSURE IN THE RAIN REPELLENT SYSTEM
_______ BEFORE YOU DISCONNECT ANY PLUMBING CONNECTIONS. IF THERE IS PRESSURE IN THE SYSTEM, FLUID CAN SUDDENLY COME OUT WHEN YOU LOOSEN A CONNECTION. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(3) Do this task: "Release the Pressure in the Rain Repellent System" (Ref 30-43-00/201).
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30-43-21
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
Rain Repellent System Solenoid Valve Installation
Figure 401
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 034-018
WARNING:_______DO NOT LET RAIN REPELLENT FLUID TOUCH YOUR SKIN OR EYES. THE FLUID CAN CAUSE IRRITATION. DO NOT BREATHE THE FUMES. IF THE FLUID TOUCHES YOU, WASH YOUR SKIN OR EYES WITH WATER.
(4)
Disconnect the supply line from the coupling on the valve.
S 024-005
(5)
Remove the valve.
S 034-007
(6)
Remove the coupling and O-ring from the valve. Discard the O-ring.
TASK 30-43-21-404-008
3. Rain Repellent Solenoid Valve Installation (Fig. 401)__________________________________________
A. References
(1)
30-43-00/501, Rain Repellent System
(2)
30-43-11/401, Rain Repellent Spray Nozzle
B. Access
(1) Location Zone
101 Control Cabin - Left
102 Control Cabin - Right
C. Procedure
S 434-009
(1)
Install the O-ring and the coupling on the lower end (the inlet port) of the valve.
S 424-010
(2)
Install the valve:
(a)
Hold the valve above the supply line.
(b)
Make sure that the solenoid is on the forward side of the valve.
(c)
Make sure that the flow direction arrow points up.
S 434-011
(3)
Connect the supply line to the coupling on the valve.
S 864-012
(4)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) P18 Panel
1) RAIN REPELLENT L
2) RAIN REPELLENT R
(5)
Install the rain repellent spray nozzle (Ref 30-43-11/401).
S 424-013
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 714-014
(6) Do this task: "Operational Test - Rain Repellent System" (Ref 30-43-00/501).
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