D19 Carb issues
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=193809
Printed Date: 12 Oct 2025 at 9:53am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: D19 Carb issues
Posted By: 53D17
Subject: D19 Carb issues
Date Posted: 28 Feb 2023 at 6:04pm
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Howdy y’all, I recently purchased a D19 gas with a Marvel Schebler TSX848 carb. I rebuilt the carb and am now having issues with it dying when I push the choke off and the carb frosts after running for a few minutes. I’ve pulled it apart and checked everything over a few different times and can’t find any channels plugged or any leaks. Thanks for the help.
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Replies:
Posted By: DrAllis
Date Posted: 28 Feb 2023 at 6:16pm
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Open the main jet screw several turns. You shouldn't have to run with the choke on to keep it running.
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Posted By: 53D17
Date Posted: 01 Mar 2023 at 4:55pm
Tried opening it tonight and it went 2 full turns then went to a rough idle and died
EDIT, took the screw out a couple more turns. And it runs like a top now
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Posted By: HudCo
Date Posted: 01 Mar 2023 at 7:43pm
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out 4 turns seems like alot you may have opened it enought to pash some junk through and you could possibly turn it back in a turn or two , as you will use alot of gas. right or wrong i was tuaght to rapidly go from idle to wide open throttle and turn it back in until their was alittle hesitation then open back just enought to make the hesitation go away when you whent from idle to wide open, and that would get the best power and fuel economy
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