How-to Rebuild a Marvel Schebler Carburetor ― Teardown

This video shows how-to rebuild a Marvel Schebler TSX312 (B Version). All of the TSX carbs are very similar so get a carburetor rebuild kit that will accommodate all of them. In the video, I soak the entire carb in Berryman Chem-Dip Parts Cleaner (link below) before opening it up. That way I didn't have to fight with stuck screws and other parts. After the soak, I tore the carb down, soaked it 24 more hours, then cleaned the passages with spray carb cleaner.
I also filed the faces flat as they were pretty dinged up, and I took a tap and die to the studs and stud holes as they were a bit goobered-up. In the next video I put the carburetor back together.
Berryman Chem-Dip Parts Cleaner - amzn.to/3bid5AO
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[@HoneybeePatriot]

Without a doubt, I just attended another virtual MoJo class entitled, Carburetor Surgery 101! I was so proud of myself up here in the viewing seats! As you were stating you couldn't find a screwdriver that was wide enough, either in the house or online, I thought, grab a butter knife, even before you showed you had! That's not bad for 3:30am in the morning while hanging out with my ole friend, 'Insomnia'! All kidding aside, I do believe anyone needing to rebuild a carburetor could do so by watching your thorough videos regarding it! = ), -Suzie

[@PlanetMojo]

Thanks Suzie! I'm absolutely not an expert on the subject, but it appears as though nobody else is either these days! Nothing about working on old tractors is easy, but it is fun 😁

[@mikesmith31]

Chem dip has been around forever and ever

[@PlanetMojo]

This Marvel Schebler Carb Rebuild video was posted a couple of weeks ago, and I recalled it because I had the wrong part. Thanks to 51ubetcha for catching the choke problem! 😁 That stuff is in the next video where I put this back together, so look for that tomorrow. The carb is now ready to reinstall on the tractor!

[@adenvet2830]

Yes I thought it looked familiar 🤔

[@PlanetMojo]

@@adenvet2830 -- The second video has all of the new stuff. I actually should have just left this video up, it's the second video that needed remaking, but I had no idea how long the parts would take to get here so it is what it is I guess. Old tractor work is never easy 😉

[@vigwelding926]

I used a paint scraper for the needle seat assembley screw. Like you, I didn't have a large blade screw driver. Worked like a champ. I actually had the Type A Fixed Jet Marvel-Schebler carburator.

[@PlanetMojo]

That sounds like it would work great! I was really surprised I couldn't find a wide screwdriver like that anywhere!

[@kelseydulaney3118]

I use a wood chisel for it, if it looks like it’s going to strip because of the wedge blade I’ll grind the sharpness off the tip for better engagement then use an adjustable wrench just above the seat for stability and leverage to give a firm hand tap to break loose.

[@coleyeomans5219]

Love the variety of the videos

[@PlanetMojo]

Thanks Cole 😊

[@51ubetcha]

De-Je-Vu ( I don't know if I spelled that right). Like Larry stated, that sure looked familiar. Did your new kit arrive and does it have everything?

[@PlanetMojo]

Youbetcha! It was kind of odd though. The new kit had mostly everything, but was a bit lower quality. So in the end I used the best parts from each and cobbled together a carb. All of that is in tomorrow's video. Thanks again for that catch on the choke plate! Now I just need get this put back on and work! 😊

[@drue9901]

Just curious, why did you have to use hot water to check the float for a leak?

[@PlanetMojo]

The heat expands the air inside the floats. If there is a leak it will force air out and you will see bubbles. If you don't use hot water and the hole is just a pin prick, you won't see bubbles 😊 The hotter the water the better.

[@snkboarder]

Had the same question, lol. I was taught in automotive school to chuck the float in some water and come back in a couple of hours and see if it was sinking. This way seems...a lot better.