757 AMM 飞机维护手册 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(152)

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 D.  Rain Repellent Container
 (1)  A pressurized rain repellent container is located forward of the left hand-side flight deck partition. The container is replaced when empty.
 E.  Pressure Gage
 (1)  A pressure gage indicates when repellent container replacement is needed. The pressure gage is located on the flight deck partition, aft of the first observer's seat, next to the rain repellent container.
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MAINTENANCE MANUAL

WINDSHIELD WIPER/RAIN FLIGHT COMPARTMENT REPELLENT CONTROL PANEL (P5)

 

LOCATED ON AFT FLIGHT
COMPARTMENT BULKHEAD

Windshield Rain Repellent System Component Location
Figure 1 (Sheet 1)

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MAINTENANCE MANUAL

RIGHT RAIN REPELLENT CHECK VALVE
CAPTAIN'S RAIN REPELLENT NOZZLE
LEFT RAIN
REPELLENT
CHECK VALVE

LEFT RAIN
REPELLENT
SOLENOID
VALVE

RAIN REPELLENT FROM RAIN REPELLENT BOTTLE
F/O'S RAIN 
REPELLENT NOZZLE 
RIGHT RAIN 
REPELLENT 
SOLENOID VALVE 
BLEED AIR 
TO NOZZLES 
FWD 
INBD 
BLEED AIR 
INPUT 

RAIN REPELLENT COMPONENTS
D

Windshield Rain Repellent System Component Location
Figure 1 (Sheet 2)

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 (2)  An accumulator is installed to prevent back flow of rain repellent fluid into the pneumatic system in the case of check valve failure. The accumulator is located forward of the pilot's center instrument panel, left of the airplane centerline.
 3. Operation
_________
 A. Functional Description (Fig. 2)
 (1)  
Windshield wiper/rain repellent control panel M10023 contains two RAIN REPELLENT switches. The switches control the flow of repellent to the No. 1 windows. The switches are momentary action type, and are marked L and R. Pushing a switch once activates the respective sides rain repellent system. The solution is spread on the window by water flowing over the repellent and by wiper blade action.
　
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