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NH Carb Seat/Jet Extractors

Posted: Sun Dec 31, 2023 11:15 am
by Flivver
In my latest video, I show the carburetor Extractor Tools that we made. https://youtu.be/CpTfaGxa3lM Drawings of these tools are available free here, should you want to see them or make your own. https://www.mediafire.com/file/ad7m0z0o ... 1.pdf/file
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Re: NH Carb Seat/Jet Extractors

Posted: Sun Dec 31, 2023 6:07 pm
by speedytinc
Use a universal blue wrench. No special tools needed.

Re: NH Carb Seat/Jet Extractors

Posted: Sun Dec 31, 2023 7:16 pm
by Mark Nunn
Scott Conger's seat tool works perfectly for thus job. I've used it on my NH and the Zenith carb on my tractor.

Re: NH Carb Seat/Jet Extractors

Posted: Thu Feb 15, 2024 4:37 pm
by PuzzleTFord
That shape looks very familiar. I finally had to grind a small socket to that exact shape to make a removal bit, plus many cycles of mapp-gas heat and freezing and sprays and curses. It took about a week. Your tools look like exactly what I needed, plus the center shaft to keep it all aligned. One might even be able to reuse the seats with those keeping them un-mangled.

I very much appreciate your video. Sadly it came after my first rebuild. Those tools should be sold with every rebuild kit. Let the world know if you ever manufacture them for sale. They might save buying a lot of replacement seats and jets, which aren't cheap.

Re: NH Carb Seat/Jet Extractors

Posted: Thu Feb 15, 2024 4:44 pm
by speedytinc
You could have saved a lot of time & grief if you read my Dec. 31 post.
No tools needed. After the cool down a couple proper fitting screwdrivers will easily do the job.

Re: NH Carb Seat/Jet Extractors

Posted: Thu Feb 15, 2024 9:31 pm
by PuzzleTFord
I used a lot of heat. And I think the tools are the "proper fitting screwdrivers."
I started with grinding a regular big screwdriver to fit and all I could get it to do was deform the brass.
So then I ground a small socket into a fat screwdriver shape to fit exactly, and then clamp it in a vise to keep it from popping out.
Something that fit well, and a way to keep if from popping out while trying to turn it, finally did the trick.
Though that was also after several cycles of heating. Though I only have Mapp and not Acetylene, so who knows?