(2)  
Install fluid-tight bags on the rain repellent nozzles.

 S 864-029

 (3)  
Start the APU (AMM 49-11-00/201) or supply a ground pneumatic source (AMM 36-00-00/201).

 S 864-004

 (4)
If the APU is used as the air source, push the APU switch on the bleed air supply panel M10259 (panel P5) to the ON position.

 S 494-002
 (a) Make sure the white bar light in the switch is on.
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757
MAINTENANCE MANUAL

RAIN REPELLENT SYSTEM
SEE  A 
RIGHT NOZZLE 
AIR LINE 
RIGHT RAIN 
REPELLENT 
CHECK VALVE 
UNION 
LEFT AIR 
SUPPLY LINE 
LEFT RAIN 
REPELLENT 
CHECK VALVE 
LEFT NOZZLE 
AIR LINE 

RAIN REPELLENT SYSTEM A
Windshield Rain Repellent Check Valve Installation
Figure 401

FWD
INBD

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757 MAINTENANCE MANUAL
 S 214-030
 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.
 (5)  
Make sure there is a strong flow of air at the rain repellent nozzles.

 S 864-005

 (6)  
Turn the rain repellent shutoff valve to the closed (horizontal) position.

 S 864-006

 (7)  
Push the RAIN REPELLENT R and L switches on the windshield wiper/rain repellent control panel M10023 until no fluid flows from the nozzles.

 NOTE: You must push the switches many times with a minimum of 30
____ seconds between each time. The APU bleed air removes the remaining fluid from the nozzles.
 S 864-031
 (8)  
Stop the APU (AMM 49-11-00/201) or remove the ground pneumatic source (AMM 36-00-00/201).

 S 864-008

 (9)  
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:

 (a)  
11A31, INDICATOR LIGHTS TEST

 (b)  
11A32, INDICATOR LIGHTS 1
　
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本文鏈接地址：757 AMM 飛機維護手冊 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(171)