air - water schrader part

docmirror

Well-known Member
On my inner tube on the back tire, I have the fairly common valve with the inner larger threaded fitting to fill with fluid. There is a stub piece threaded into that with the air type schrader valve inside.

My air stub piece that goes into the water fill larger piece has disintegrated. The water fill stub is ok, and still good, but the small stub with air schrader is junk now.

Does anyone know a part reference, or a common replacement that I can use? It's brass and screws into the water fill part. Guess what, Tractor Supply has never heard of it. Sigh,,,,
 
OK, I have a tire shop out in the country that does tractors. I'll see what they can find.

The thread that goes into the water fill section appears to be 3/8" with pitch of 32TPI.
 
I've bought them at Farm/Fleet. There's a new style and old style. I'd go out to the shed and take a pict. of each but
it's zero and windy, I ain't going no where.
 
No worries. I've got the old one in my pocket. I'll take it somewhere other than TSC and find the right style. I'm sure this will be the 'old' version.

I filled the tire as it was down and after that heard a slight hiss. I tried to tighten the schrader, then I tried to loosen it, and the whole thing around the schrader fell to bits.
 
(quoted from post at 23:05:52 01/06/22) No worries. I've got the old one in my pocket. I'll take it somewhere other than TSC and find the right style. I'm sure this will be the 'old' version.

I filled the tire as it was down and after that heard a slight hiss. I tried to tighten the schrader, then I tried to loosen it, and the whole thing around the schrader fell to bits.

You are looking for a CH3 core housing for a TR218 valve stem. Here is the info from Slime on theirs. The local TSC here has them in the Slime tire repair section. This is the new style which threads in to the TR218, which should be like your description sounds.
https://www.slime.com/us/products/lawn-garden/tools-accessories/tools/core-housings.php
 
My inner valve stem on a rear tractor
tire loaded with fluid got ate up by
the calcium chloride. Discovered this
when I went to add a few pounds of
air. Believe it or not, I rotated tire
stem up to the top, unscrewed it off
the tube, screwed a non-brass one on,
air tire up, switch the stems back
putting the bad brass one back on
fitted with a GOOD rubber cap. That
was 2+ years ago. Haven't needed to
add air to it since. That's right! The
valve stem cap is the only thing
holding the air & fluid in that tire.
It doesn't take much to hold 15 pounds
of pressure. The calcium chloride if
anything probably helps seal the
threads of the valve cap. I did this,
because I don't have the equipment to
work on fluid filled tires myself, and
couldn't have the tractor being down
when this happened.
 
(quoted from post at 23:05:52 01/06/22) No worries. I've got the old one in my pocket. I'll take it somewhere other than TSC and find the right style. I'm sure this will be the 'old' version.

I filled the tire as it was down and after that heard a slight hiss. I tried to tighten the schrader, then I tried to loosen it, and the whole thing around the schrader fell to bits.

For old and new reference.


mvphoto86719.jpg


mvphoto86720.jpg
 
I've got about a dozen of the new style that screw into the pipe the ring at the rim is on. I change them out about every 5or so years. Not hard to do just turn the stem to the top with it on a jack or block under the dual. I ned to do the 1466 this spring when it warms up some. Any tire shop worth it's salt should have them on hand unless they are just out till new supply comes in.
 
Got a used one from a small country tire shop for free. It is the 'new' version with the exposed male thread and the tapered end. Installed it last night and holding air well.

thx, all
 

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