C. Access
 (1)  Location Zones
 211/212 Control Cabin - Section 41

 D. Prepare for Test
 S 862-045-001
 (1)
Supply electrical power to the main AC buses (AMM 24-22-00/201).

 S 862-068-001

 (2)  
Start the APU (AMM 49-11-00/201) or supply a ground pneumatic source (AMM 36-00-00/201).

 S 862-047-001

 (3)  
If the APU is used to supply air, push the APU switch on the bleed air supply panel M10259 (panel P5) to the ON position.

 (a)  Make sure the white bar light in the switch comes on.
 S 212-069-001
 CAUTION: DO NOT OPERATE THE RAIN REPELLENT SYSTEM WITHOUT BLEED AIR.
_______ OPERATION OF THE RAIN REPELLENT SYSTEM WITHOUT BLEED AIR CAN CAUSE THE SYSTEM TO BECOME CLOGGED.
 (4)  
Make sure there is a strong flow of air at the rain repellent nozzles.

 S 862-048-001

 (5)  
Get the captain's and first officer's No. 1 windows wet with water.

 S 492-070-001

 (6)  
Put the fluid-tight plastic bags around the two rain repellent nozzles to collect the repellent fluid.

 S 712-049-001

 (7)  
Push the RAIN REPELLENT L switch to make sure the fluid flows out of the left nozzle smoothly (there must be no air bubbles).

 NOTE: If you removed all fluid from the system or installed a new
____ rain repellent bottle, it will be necessary to push the switch more than one time.
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MAINTENANCE MANUAL

 (8)  S 712-050-001Push and hold the RAIN REPELLENT L switch. (a) Make sure the fluid comes out of the four nozzle holes in equal flows. (b) Make sure the spray pattern is in the area where the windshield wiper blade operates. (c) Make sure the fluid flow stops about 0.4 second after you push the switch.
 (9)  S 862-051-001Release the RAIN REPELLENT L switch.
 S 712-052-001

 (10) Push the RAIN REPELLENT R switch to make sure the fluid flows out of the right nozzle smoothly (there must be no air bubbles).
 NOTE: If you removed all fluid from the system or installed a new
____ rain repellent bottle, it will be necessary to push the switch more than one time.
 S 712-053-001
 (11) Push and hold the RAIN REPELLENT R switch.
 (a)  
Make sure the fluid comes out of the four nozzle holes in equal flows.

 (b)  
Make sure the spray pattern is in the area where the windshield wiper blade operates.
　
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