Brass plug in bottom of carburetor bowl Ford 850

sixbales · Feb 20, 2017

I'm working with a guy that cannot get the brass plug out of the bottom of the bowl on a Ford 850. This is next to the pipe plug/drain plug on the bottom of bowl. Is there a jet under this plug? His tractor has been sitting for a year or more and will only run with the choke out.

Any tips on how to get this plug out without damaging it?

JMOR · Feb 20, 2017

The small plug is simply plugging a hole that was necessary to drill a casting passage during manufacturing. Nothing to access there.

souNdguy · Feb 20, 2017

there is a drain plug, and a sinterized plug.. double check, yourself, which one he is trying to remove.

sixbales · Feb 20, 2017

Thanks JMOR and Soundguy, for the quick response. Chris, I am talking about the sintered plug (looked like a brass plug to me). Thanks again to both of you!

Joe850 · Feb 21, 2017

I was the guy he was trying to help. Posted this on another forum. I got the plug out using a pipe wrench gently after ordering another carb. The plug did contain a jet for the primary, but this was not the original carb for the 850 so I believe it's configured differently. The carb number was TSX-977 and I was hard pressed to find any info on it. Thanks for the help though, hopefully this helps someone else down the road =)

30126d1487566298-ford-850-only-runs-full-choke-20170219_224837.jpg

JMOR · Feb 21, 2017

(quoted from post at 00:35:03 02/22/17) I was the guy he was trying to help. Posted this on another forum. I got the plug out using a pipe wrench gently after ordering another carb. The plug did contain a jet for the primary, but this was not the original carb for the 850 so I believe it's configured differently. The carb number was TSX-977 and I was hard pressed to find any info on it. Thanks for the help though, hopefully this helps someone else down the road =)

ell, a "plug" does not "contain a jet", so precise language or pictures might clarify things. :roll:

souNdguy · Feb 22, 2017

TSX 977 carbs were used on industrial 172 and 192 engines. Things like stationary power units.

We used to have a SUL AIR compressor with such a ford engine on it ( and a 977 carb ).

Joe850 · Feb 22, 2017

(quoted from post at 10:12:25 02/22/17) TSX 977 carbs were used on industrial 172 and 192 engines. Things like stationary power units.

We used to have a SUL AIR compressor with such a ford engine on it ( and a 977 carb ).

How do you think it will do on a tractor? Haven't got a chance to tune it yet. I did replace this main fixed jet with an adjustable one that came in rebuild kit

Brass plug in bottom of carburetor bowl Ford 850

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