Touch Control Question

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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Sterff89
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Touch Control Question

Postby Sterff89 » Sun Dec 04, 2022 3:28 pm

I recently took my touch control unit on my Super A and resealed it and changed the filter. After putting it back together the left side control valve is leaking. Do I have to drain all the oil out to pull this out again and swap the o-ring? I think if I pull the rockshaft arms I may be able to sneak it out if I stand on my head to do so. Also I included a picture of what the inside looked like when I had it apart. The filter was torn with a pile of dirt below it. Also I found a weird ball of metal?
touch control.jpg

SamsFarm
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Re: Touch Control Question

Postby SamsFarm » Mon Dec 05, 2022 1:41 am

Sorry, I can not answer your question, but intetesting that it looks like a coil of solid wire or solder in the upper left corner of the cover in the residue.

Sterff89
Posts: 44
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Tractors Owned: 57' Cub
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Re: Touch Control Question

Postby Sterff89 » Mon Dec 05, 2022 11:53 am

Yeah I’m not sure what it is. At first I thought it may have been part of an old filter spring but, it is much heavier. Also it is almost tied up in a not. I guess I can drain the fluid as it wouldn’t hurt to flush it once more.

Jim Becker
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Re: Touch Control Question

Postby Jim Becker » Mon Dec 05, 2022 12:05 pm

Looks like it might be junk left over from the sand casting operation.

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ShawnAgne
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Re: Touch Control Question

Postby ShawnAgne » Tue Dec 06, 2022 7:35 pm

IMHO be quicker and easier to pull it off and fix it that way.
Shawn Agne

Sterff89
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Tractors Owned: 57' Cub
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Re: Touch Control Question

Postby Sterff89 » Mon Dec 12, 2022 9:46 am

Got it back together and so far it isn't leaking. When I first resealed everything there was a lot of air/chattering when I raised and lowered the rear rockshaft arms. I think it may have rolled or messed up the o-ring then because it was kind of square looking when I removed it. When I tried it on round 2, it raised and lowered very smoothly. An engine hoist sure helps on this job.

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ricky racer
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Re: Touch Control Question

Postby ricky racer » Mon Dec 12, 2022 11:58 am

Sterff89 wrote:Got it back together and so far it isn't leaking. When I first resealed everything there was a lot of air/chattering when I raised and lowered the rear rockshaft arms. I think it may have rolled or messed up the o-ring then because it was kind of square looking when I removed it. When I tried it on round 2, it raised and lowered very smoothly. An engine hoist sure helps on this job.


Another job well done!! :hattip:
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RDJ
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Re: Touch Control Question

Postby RDJ » Fri Jan 27, 2023 10:08 am

I've had very little luck when it comes to reusing o-rings. I just keep a bunch of different sizes on hand and replace them regardless.

Sterff89
Posts: 44
Joined: Wed Oct 20, 2021 5:21 pm
Zip Code: 17512
Tractors Owned: 57' Cub
45’ A
48' Super A
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50' M
60' IH 460 Utility

Re: Touch Control Question

Postby Sterff89 » Fri Jan 27, 2023 5:15 pm

I didn't reuse it, I replaced it with a Case IH one from Messicks. The first one was part of the Steiner kit. As much work as it takes to get to the o-ring, I didn't want to guess on putting the wrong one in.


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