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marvel schebler carb tsx 154

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peterh View Drop Down
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    Posted: 07 Dec 2011 at 3:32pm
Can anyone help me troubleshoot a minor gas leak issue with an MS TSX 154 carb? It is from my 1947 Model C. I took it apart last week, soaked it in Chem Dip, replaced all the needles and gaskets, but now it has a very slow leak around the gasket that joins the two main pieces together. I noticed the gasket overlaps it ever so slighlty in one place. I wasn't sure if that might be it. I also thought once I ran the engine a time or two it would become more "solidified" and all the pieces would bond again. maybe wishful thinking?    any advice would be appreciated. thank you.
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John (C-IL) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote John (C-IL) Quote  Post ReplyReply Direct Link To This Post Posted: 07 Dec 2011 at 3:42pm
I'd say that first you should reset your float level a little lower, there shouldn't be any gas at the gasket level.
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CTuckerNWIL View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 07 Dec 2011 at 6:37pm
Reset you float level and set the drop also. Many people don't think about how far the float drops, but there is an adjustment for that. I have had floats drop too far and get caught on the sides of the bowl, causing the bowl to overfill and flood the tractor.
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Lena 1935 WC12xxx,1938 B2xx, 1950 WD, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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peterh View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote peterh Quote  Post ReplyReply Direct Link To This Post Posted: 14 Dec 2011 at 3:35pm
thank you both for your advice. It does seem that the float may be getting stuck slightly. You said to "set the drop."   How would I do that exactly? thanks for the help.
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CTuckerNWIL View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 14 Dec 2011 at 7:43pm
Originally posted by peterh peterh wrote:

thank you both for your advice. It does seem that the float may be getting stuck slightly. You said to "set the drop."   How would I do that exactly? thanks for the help.
Put the float in position as if you were going to assemble the carb. Hold the top half up and let the float drop. Measure the distance from the gasket face. If that measurement is equal to or grater than the depth of the bowl, it can hang up. On the back side of the float is a little tang. That is what stops it from dropping further. Adjust the tang so the float stops dropping an 1/8 inch or so short of the bottom of the bowl. I don't know the proper settings, I just adjust it so it cannot reach the bottom or go far enough to contact the radius in the bottom of the bowl. Maybe some experts can jump in here if this doesn't explain it properly.
http://www.ae-ta.com
Lena 1935 WC12xxx,1938 B2xx, 1950 WD, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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peterh View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote peterh Quote  Post ReplyReply Direct Link To This Post Posted: 15 Dec 2011 at 8:40am
Ok, I will check that out this weekend. Thanks again for taking the time to provide me with your advice.
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