Flush Touch Control

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cavingreer
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Flush Touch Control

Postby cavingreer » Wed Sep 16, 2015 10:55 am

Did a quick search through the forums and didn't see a definitive answer on this. My touch control is working but it's a little noisy and jerky so I figured it's probably low on fluid or needs changing. Just pulled the fill plug and it's definitely low because I can stick my pinky through and feel below the level of the plug and there's no fluid in reach. Also the plug and inside the housing is black and dirty. So can the system be flushed out with diesel or something or only Hy-Tran? What's the best procedure for flushing it?
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ScottyD'sdad
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Re: Flush Touch Control

Postby ScottyD'sdad » Wed Sep 16, 2015 11:40 am

If you remove it from the tractor, the entire bottom plate comes off. You can wash it and also clean the screen in it. (Screen may have fallen apart. I've seen a few, like that.
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Stanton
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Re: Flush Touch Control

Postby Stanton » Wed Sep 16, 2015 11:53 am

ScottyD'sdad wrote:If you remove it from the tractor, the entire bottom plate comes off. You can wash it and also clean the screen in it. (Screen may have fallen apart. I've seen a few, like that.
Ed


I'd second that. If you've had it a long time w/o any sort of maintenance, or it's new to you w/o any knowledge of maintenance, then removing it and doing a thorough clean-up and replacement of fluid would be essential to proper operation. Check out the Service and Owner's manuals for further information as well as the How To Forum for step-by-steps.

Hood will need to come off and the ammeter tower sufficiently loosened or removed to get to the rear mounting bolts.

Let us know the outcome... :coffee:
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Re: Flush Touch Control

Postby Glen » Wed Sep 16, 2015 7:10 pm

Hi,
The owner's manual says use only Hy-Tran fluid to flush the system, since the pump needs the fluid for lubrication.
You need to check the fluid with the arms in the fully rear, or down position, the fluid rises in the unit as the arms go rearward. There is an air space in the top of the unit. If you fill it with the arms ahead or up, you will overfill the system.
Here is a page from the Cub owner's manual telling how to fill it and remove the air from the system. Be sure to do what it says in paragraph 4 to remove the air. :)

http://www.cleancomputes.com/Cub/Cub%20 ... age-67.jpg

cavingreer
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Re: Flush Touch Control

Postby cavingreer » Wed Sep 16, 2015 8:47 pm

I really don't want to pull it off the tractor at this time. I did look at the procedure in the manual and bought a gallon of Hy-Tran today. I'll just do the drain/bleed/fill procedure and make sure it's at the right level and see how it continues to perform.
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Re: Flush Touch Control

Postby Scrivet » Wed Sep 16, 2015 10:31 pm

Before you fill the touch control take a close look at where your engine oil level is on the dipstick. If the touch control level goes down again, check to see if the engine oil level has come up any. When the touch control level goes down it has to go somewhere and it's very common for the pump shaft seal to go bad and to leak into the engine oil.

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Re: Flush Touch Control

Postby cavingreer » Thu Sep 17, 2015 3:01 pm

It's not leaking out. My engine oil level is constant and clean. Plus I just pulled the drain plug and found this yucky mess.
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IT Guy by day, Rockstar by night, Amateur tractor restorer on occasion 8)
1949 Farmall Cub #94459 - Restoration Thread
"Organized chaos is better than no chaos at all"

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Re: Flush Touch Control

Postby indy61 » Thu Sep 17, 2015 3:35 pm

cavingreer wrote:I just pulled the drain plug and found this yucky mess.


That is nasty looking. You might fill with the cheapest ATF you can find and operate it a few cycles, drain and refill with real Hy-Tran.

cavingreer
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Re: Flush Touch Control

Postby cavingreer » Thu Sep 17, 2015 5:08 pm

I flushed it with a combination of diesel and hy-tran first then a couple runs of just hy-tran and got it pretty clear then filled it according to the manual. Working great!
IT Guy by day, Rockstar by night, Amateur tractor restorer on occasion 8)
1949 Farmall Cub #94459 - Restoration Thread
"Organized chaos is better than no chaos at all"


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