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Deuce multi-fuel fuel injector inlet tube fittings

frank8003

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I been good and seek the information about the exact threads used and flare type for the tubing fittings going into each injector on the feed side of the injector, (from the HH).
All the brakes use SAE 45° double flare. Is that same flare type and tubing nuts used on the fuel injector inlet part of the fuel system? I have no spare injection tubing or parts as spares. It is not NPT and the inlet looks like a brake line fitting. I looked at all the nice pictures in the TM's (9-2815-210-34P and find various tube assemblies like NSN 4710-860-5417 but can not discern what is on the end of it.
I'm making something and and need to know what fittings to get. Is the injector inlet 5/16" 45° flare tubing?
I need a fitting for this inlet to go back to a tube or Swagelok or something.
Any ideas?

injector IMG_6043.jpg

I hope this don't get "buried" in it all, 3 hours and no one touched this one ...........................
I really need to know.
 
Last edited:

RAYZER

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The tubing is very thick wall with a small passage and the compression collet is slotted into the line, you may have to go to your local injection pump rebuilder to find your parts.
What are you building?
Are you repairing a damaged line?
 

gringeltaube

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..............
All the brakes use SAE 45° double flare. Is that same flare type and tubing nuts used on the fuel injector inlet part of the fuel system? ..........
Definitely not!

I tried to measure one as good as I could. Here are some of the dimensions - most probably a standard size & shape for injection lines?



G.
 

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red

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The tubing is very thick wall with a small passage and the compression collet is slotted into the line, you may have to go to your local injection pump rebuilder to find your parts.
What are you building?
Are you repairing a damaged line?
When I was looking to get my injectors rebuilt they informed me that only 1 shop locally carried the correct lines/fittings.
 

frank8003

In Memorial
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I tried to measure one as good as I could. Here are some of the dimensions G.
When my new injection line gets here I will start this injector job.
Right now I am working in print pages 4-394 to 4-414 in TM 9-2815-210-34-2-2.
I am finding that the dry cleaning solvent [tetrachloroethylene]
, will not be available so it'll be back to brake kleen and naptha for cleaning the carbon out. I would like to find various thickness shims,
{the 5/16"ID x 9/16"OD shims} , and a few more
fittings.
I hope I don't get stopped trying to find mutton tallow as on page 4-406
 
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