30-43-00
 úRAIN REPELLENT SYSTEM.  ú CONFIG 1 ú 03.1 Page 204 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (2)  
AMM 12-40-00/201, Exterior Airplane Cleaning

 (3)  
AMM 20-30-51/201,Dried Material Cleaning

 (4)  
AMM 24-22-00/201, Electrical Power - Control

 (5)  
AMM 30-43-00/501, Rain Repllent System

 E. Access
 (1)  Location Zones
 101/102 Control Cabin - Section 41

 F. Prepare to Flush the Rain Repellent System
 S 802-012-001
 (1)  
Fill the fluid container with 0.5 quart of the solvent.

 S 862-013-001

 (2)  
Pressurize the fluid container with nitrogen to 50 |5 psig at 70 |5°F (21 |2.8°C).

 S 862-014-001

 (3)
Supply electrical power to the main AC buses (AMM 24-22-00/201).

 S 862-015-001

 (4)  
Install fluid-tight plastic bags around the rain repellent nozzles to collect and contain the repellent fluid.

 NOTE: Make sure that the bags will let air flow and still contain
____
 the fluid.

 S 862-017-001
 (5)  Turn the rain repellent shutoff valve to the closed (horizontal) position.
 S 092-018-001
 WARNING: DO NOT LET THE 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.
 (6)  Release the bottle clamp and remove the rain repellent bottle from the receptacle.
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 úRAIN REPELLENT SYSTEM.  ú CONFIG 1 ú 03.1 Page 205 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

Test Equipment for the Windshield Rain Repellent System

Figure 202

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
G16586
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737-300/400/500MAINTENANCE MANUAL
 S 482-019-001
 (7)
Connect the test equipment to the rain repellent bottle receptacle.

 S 492-020-001

 (8)  
Connect the dry air source to the test equipment.

 S 492-024-001

 (9)  
Set the dry air source to supply air at 100 psi.

 G. Flush the Rain Repellent System
 S 862-025-001
 (1)  
Turn the rain repellent shutoff valve to the open (vertical) position.

 S 112-026-001

 (2)  
Push and release the RAIN REPELLENT L and R switches until no fluid flows from the nozzles.

 NOTE: It can be necessary to push the switches many times to remove
____
 all the fluid from the system.

 S 862-027-001
 (3)  
Turn the rain repellent shutoff valve to the closed (horizontal) position.

 S 492-028-001

 (4)  
Put the dry air source in the OFF position.

 (5)  
Remove the test equipment from the rain repellent bottle receptacle.

 S 862-030-001

 (6)  
Slowly turn the rain repellent shutoff valve to the open (vertical) position.

 S 082-029-001
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 862-031-001
 (7)  Turn the rain repellent shutoff valve to the closed (horizontal) position.
　
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