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737NG Flight Deck Air Conditioning Vents

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Old 30th Sep 2011, 17:35
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737NG Flight Deck Air Conditioning Vents

Hello All,


In my 737 systems manual it says that there is an adjustment to the air vent above and behind the pilots' heads and that the amount of air flow coming from that vent may be increased/decreased by turning a 'slotted screw'. I can't find the slotted screw and I was wondering whether someone with a maintenance manual could provide me a link or photo that I can find it and learn more about it. Thanks.


pcars
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Old 30th Sep 2011, 19:18
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That would be news to me. The best way to regulate airflow is to jam a safety card behind the spare bulb holder on the FO side or the rope door on the captain's side and thus block the vent which in any other case will always blow down one's neck irrespectively of the swivel deflector position...

Last edited by STBYRUD; 1st Oct 2011 at 02:10.
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Old 30th Sep 2011, 19:43
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Yes. That's the vent I'm referring to. I found the quote in my Volume II page 20.30.4.

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Old 1st Oct 2011, 05:44
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sounds like something we had on the 727, have not seen it on the NG
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Old 8th Nov 2011, 04:51
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I just found it in my Vol 2 as well, will look next time I fly


Each of these outlets can be opened or closed as desired by turning a
slotted adjusting screw.
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