Farm Equipment - Marvel tsx 159/ wd flooding

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Marvel tsx 159/ wd flooding

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=129707
Printed Date: 17 Jun 2025 at 7:49pm
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Topic: Marvel tsx 159/ wd flooding

Posted By: mdefelice91171
Subject: Marvel tsx 159/ wd flooding
Date Posted: 07 Oct 2016 at 3:28pm

I have a marvel carb that suddenly started flooding the intake. I did a complete rebuild and it still fills the cold air intake almost to the air filter. Any suggestions or sources for a replacement?

Replies:

Posted By: Allis dave
Date Posted: 07 Oct 2016 at 3:35pm

As a general rule, I always turn the gas off at the sediment bowl if it's going to sit for any time.

Besides that, either the float needle must be sticking or the float arm is incorrectly bent.

Posted By: Dan73
Date Posted: 07 Oct 2016 at 4:01pm

If you want someone to go through it send it to steve at B & B custom circuits.

Posted By: Gary Burnett
Date Posted: 07 Oct 2016 at 4:12pm

Did you shake the float to make sure that no gas is leaking into it?

Posted By: Brian G. NY
Date Posted: 08 Oct 2016 at 9:27am

The float could be "sprung" and hanging up on the inside walls of the carb.

Seems like I remember someone posting that they had not properly tightened the float valve or had forgotten the little gasket which allowed gas to leak past it even though the valve was seating properly.

Fer sure, the problem has a solution.

Posted By: Dan73
Date Posted: 08 Oct 2016 at 6:59pm

When I rebuilt the one on my d17 it Gabe me trouble from time to ime all one summer. Kept taking it apart and finding something in the seat. In the end i started using a funnel with a strainer to fill it and my problem went away. Little bits of grass was blowing in as I filled it on the field.

Posted By: mdefelice91171
Date Posted: 10 Oct 2016 at 7:47am

It started flooding so I rebuilt it. Completely stripped and cleaned. All new parts, including the float, checked it for getting stuck. Can't figure out why the fuel is going straight from the bowl into the intake and filling up all the way to the air filter. Was almost a quart of gas in under a minute when I turned on the fuel at the sight bowl.

Posted By: Dan73
Date Posted: 10 Oct 2016 at 9:00am

Bend the float down alot so it puts more pressure on the neddle to close it. Sounds like the new float needs to be adjusted. If you can't get it to stop filling by adjusting the float the needle and seat are bad or something is in them or the gasket above the seat ks missing or the seat bound up in the old threads and didn't actually go all the way down and fuel is comming around the threads. It has to be comming in through there and the easy check ot so bend the float to lower the fuel level too low to run but prove that the neddle and seat will deal or not.

Posted By: DaveKamp
Date Posted: 10 Oct 2016 at 5:47pm

Or there might be a small crack in the casting somewhere, allowing fuel to flow around the valve to the throat... if he were in Iowa, I'd suspect it more (ice freezes inside castings all the time here), but not so likely in Florida

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Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.

Posted By: corbinstein
Date Posted: 11 Oct 2016 at 6:36am

do you have rust in the tank? That can cause the needle to stick open, but more likely to clog everything up. Needle in backwards? that can happen.