M38A1 carb rebuild question

swampy · Member Joined: Sep 28, 2010 Posts: 38

Hallo all, finished rebuilding my carbburetor, and find an extra " Checkvalve laying about......oldtimers has got me pretty bad obviously....reckon where it goes? screw in type......~ Swampy~
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Scott

wesk · Posted: Fri Dec 01, 2017 3:48 pm Post subject:

Can you ID it from the parts list drawing? If you can which index number is it?

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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php

swampy · Member Joined: Sep 28, 2010 Posts: 38

It looks like AK? not really sure, as its hard to make out in the picture.
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Scott

4x4M38 · Posted: Sat Dec 02, 2017 7:27 am Post subject:

Scott,
Do you have the Ord 9 downloaded on your computer?

Sometimes enlarging pages there helps, sometimes not.
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Brian
1950 M38
MC11481
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album372&op=modload&name=gallery&file=index&include=view_album.php

4x4M38 · Posted: Sat Dec 02, 2017 7:39 am Post subject:

Take a look at the 6th page down:

http://www.willysmjeeps.com/downloads/YScarb.pdf

Intake check valve?
_________________
Brian
1950 M38
MC11481
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album372&op=modload&name=gallery&file=index&include=view_album.php

wesk · Posted: Sat Dec 02, 2017 11:06 am Post subject:

The photo I posted was the middle size one from my album.

My album is the 2nd photo album in "Members Albums" and I have close to a thousand technical photos indexed by make / model and or topic / system.

By going to my album, http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php and finding the photo I posted you can then open and/or download the largest version of it. I don't post the largest version in board replies because it eats up way to much bandwidth and makes the viewing of the Board's post much more difficult. In this case the largest version of my posted photo is:
http://willysmjeeps.com/v2/modules/gallery/albums/album115/IPL_Pg_62.jpg

The intake check valve is the slotted & threaded jet with a ball inside of it.
_________________
Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php

swampy · Member Joined: Sep 28, 2010 Posts: 38

the check valve turned out to be the old one.....however, still have to pull out the choke a ways to keep it running.....checked, and double checked everything again, but see nothing incorrect.....i have built a few over all these years on 4or 5 A1's withought any problems......this one just does not want to participate....lol ~ Swampy~
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Scott

4x4M38 · Posted: Sat Dec 02, 2017 3:09 pm Post subject:

Cold or warmed up?
_________________
Brian
1950 M38
MC11481
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album372&op=modload&name=gallery&file=index&include=view_album.php

4x4M38 · Posted: Sat Dec 02, 2017 3:10 pm Post subject:

Sounds like extra air getting in there from somewhere.
Or not enough fuel.
_________________
Brian
1950 M38
MC11481
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album372&op=modload&name=gallery&file=index&include=view_album.php

wesk · Posted: Sat Dec 02, 2017 6:01 pm Post subject:

Can we assume you have checked fuel pump pressure and flow rate?

Can we assume you have done a propane vacuum leak check?
_________________
Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php


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