30-43-00
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A
737-300/400/500MAINTENANCE MANUAL
RAIN REPELLENT SYSTEM - TROUBLE SHOOTING
1. Rain Repellent System Trouble Shooting Chart

NOTE:After testing, flush concentrated solution from airplane surfaces to prevent staining or minor corrosion.
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737-300/400/500MAINTENANCE MANUAL
CONTINUED FROM PRECEDING PAGE

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737-300/400/500MAINTENANCE MANUAL
 RAIN REPELLENT SYSTEM - MAINTENANCE PRACTICES
_____________________________________________
 1.  General_______
 A.  This procedure contains 4 tasks.
 (1)  
The first task is the replacement of the rain repellent container.

 (2)  
The second task is a procedure to release the pressure in the rain repellent system. You must do this procedure first if it is necessary to loosen the plumbing connections in the system.

 (3)  
The third task is a procedure to remove rain repellent fluid which has dried on the windshield or the airplane skin.

 (4)  
The fourth task is a procedure to flush the rain repellent system.

 B.  Do not allow rain repellent fluid to dry on the windshield or the airplane skin. Rain repellent fluid is difficult to remove after it dries on a surface.
 TASK 30-43-00-902-001-001
 2.  Rain Repellent Container Replacement (Fig. 201)____________________________________
 A.  Access
 (1)  Location Zone
 101 Control Cabin - Left

 B.  Removal Procedure
 S 022-002-001
 (1)  Remove the rain repellent fluid container:
 (a)  Turn the shutoff valve handle to the horizontal (closed) position.
 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.
 (b)
Release the clamp which attaches the container.

 (c)
Turn the container counterclockwise and remove it.

 C.  Installation Procedure
 S 422-003-001
 CAUTION:_______DO NOT TIGHTEN THE RAIN REPELLENT MORE THAN FINGER-TIGHT. IT IS POSSIBLE THAT THE CONNECTION CAN LEAK IF YOU INSTALL THE CONTAINER WITH TOO MUCH TORQUE.
 (1)  Install the rain repellent fluid container:
 (a)  
Install the container and turn it clockwise until it is finger-tight.

 (b)  
Tighten the clamp which attaches the conatiner.

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A 737-300/400/500MAINTENANCE MANUAL

Rain Repellent Container Installation
Figure 201

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