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Ford 9N, 2N & 8N Discussion Forum
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Hyd Friction Disc Removal

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Ramrod

02-07-2005 07:17:02




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Shouldn't the hyd friction disc assembly (aluminum part w/handle) slip freely on the shaft? Mine don't, and afraid to heat it...

Ramrod




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ZANE

02-07-2005 19:06:23




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 Re: Hyd Friction Disc Removal in reply to Ramrod, 02-07-2005 07:17:02  
They are supposed to move easy enough to adjust with the nut and spring but seldom will.

Yes you can heat it to get it off. Bear in mind that Aluminum melts at a fairly low temperature but it also expands at that same relatively low temperature and will usually turn loose to a couple of screw drivers under the plate if you are very carefull. When heating the aluminum disc and you see tiny bubbles forming that is when it about to go suddenly molten and that is the time to take the heat away or it will end up a puddle on the floor!

Zane

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PDB

02-07-2005 10:54:19




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 Re: Hyd Friction Disc Removal in reply to Ramrod, 02-07-2005 07:17:02  
My I&T manual says to cut it off to prevent damage to the other parts of the system. It is made of cast aluminum and mine was pretty easy to destroy. I bought a new one at the local New Holland dealer.



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Dan

02-07-2005 07:39:48




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 Re: Hyd Friction Disc Removal in reply to Ramrod, 02-07-2005 07:17:02  
Mine was stuck pretty good. I had to use a pulley puller to get it off, but mitakenly thought the whole quadrant would come off. Unstead, I just pushed the main shaft INSIDE the lift cover and bent two arms inside all to heck! But, it got the handle off as well (and crammed the woodruff key into the hollow quadrant shaft tube - dooh). There is a woodruff key inside the alminum handle on the main shaft that is pretty tight with dirt and stuff usually - that is probably what is sticking on the handle. I would shoot some penetrating oil up in there and try to work it out with a small pry bar or large screwdriver very gently around the handle base. After you clean it up it goes back on really pretty easy. As has been mentioned earlier, the friction disk is just cork and can still be bought new.

Good luck,
Dan

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Ramrod

02-07-2005 08:01:44




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 Re: Hyd Friction Disc Removal in reply to Dan, 02-07-2005 07:39:48  
Yep, I thought you had the same trouble and I remember you mentioning something bent, so I stopped when mine wouldn't slide right off and thought about you, then broke out the spray bottle of Kroil. We'll wait and see what happens before I pull a 'Dan' .

Ramrod



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Jeb2N

02-07-2005 09:54:30




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 Re: Hyd Friction Disc Removal in reply to Ramrod, 02-07-2005 08:01:44  
Oh, i thought you just wanted to get the actual friction disc off. Yeah, if you're trying to get the handle off of the shaft, some PB Blaster or Kroil will work. Loosen the nut a turn or two and tap it with a hammer so as not to damage the threads. Even better would be if you had a brass drift punch you could use to tap on it.

Jeb



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Dan

02-07-2005 10:12:59




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 Re: Hyd Friction Disc Removal in reply to Jeb2N, 02-07-2005 09:54:30  
Just be careful, it was "tapping" on the end that made my main shaft mushroom on the end. Luckily, I ground down about 1/8" or so from the end and had plenty of threads to hold the nut in place. That shaft is pretty soft and doesn't hold up to much abuse.

Dan



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Jeb2N

02-07-2005 07:21:53




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 Re: Hyd Friction Disc Removal in reply to Ramrod, 02-07-2005 07:17:02  
It doesn't really matter. It's just a big cork washer essentially. Most of them get stuck to the stationary portion of the quadrant. Since the control lever moves,it will still slip on the friction disc some. It really doesn't matter which side moves so long as the thing holds the lever where you want it to be. If you are trying to take the old one off for replacement and don't care about the old one, just use a gasket scraper.

Jeb

New ones are available cheap.

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