(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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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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本文链接地址：757 AMM 飞机维护手册 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(171)
