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Hose joints colour? (WWII aircraft)


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HI All

Got a "coloured" question ;-)

Does the U.S WWII airplane (any company) had their hose joints of a dedicated colour as they were used for oil, gasoline, hydraulic...

Any info are welcome.

 

TIA

Raf

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Yes.  If you have a dash two from any WWII U.S. aircraft, there should be a section on finishing and probably includes color coding for fluid lines and fittings.  Recollection of colors is: oxygen - green, fuel - red, oil - yellow, hydraulic - purple.  There are others, I just don’t recall what they are.

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I was just checking out what's new at aircorps library and bumped into this:

49668653416_98287f069b_c.jpg

 

It says it was approved in January 1942, with last amendments in August 1949.
There's also a second page with styles and sizes explained.

I don't want to put it here in full resolution, there might be some copyright issues involved.
But here are the colors that may be useful for WWII aircraft:

Fuel system - Red

Water injection system - Red/Grey/Red

Lubrication system - Yellow

Hydraulic system - Blue/Yellow

Instrument Air Vacuum - Orange/Grey

Coolant System - Blue

Breathing oxygen - Green

Air conditioning - Brown/Grey

Fire protection - Brown

De-icing system - Grey

 

Well, I hope that helps.
 

Juraj
 

Edited by Trak-Tor
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10 minutes ago, rafju said:

Hi JuraJ

please what's  the name of the entire document ? as I've an account in the AirrCops Library, I'll take a look into.

Many thanks in advance.

 

Raph

 

So then you may use the direct link, probably:

AND10375 COLORS - FLUID LINE IDENTIFICATION

 

It's under the STANDARDS category, which is very interesting.

 

Juraj

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On 3/12/2020 at 1:28 PM, Juggernut said:

Yes.  If you have a dash two from any WWII U.S. aircraft, there should be a section on finishing and probably includes color coding for fluid lines and fittings.  Recollection of colors is: oxygen - green, fuel - red, oil - yellow, hydraulic - purple.  There are others, I just don’t recall what they are.

 

Here's the specific page from the P-51 Mustang's dash two (Erection & Maintenance Manual) for fluid line color coding:

4emLD1k.jpg

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