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Ford 9N, 2N & 8N Discussion Forum
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Three point attachment thing

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Joe Mc

12-13-2004 19:57:48




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I don't know what it's called, so I'll do my best to discribe my problem.

To put a pin in my plow bar on the bracket under the rear axle I have to remove the three point hitch arm. Where the arm attaches to the tractor the nut spins the shaft. I was able to vice grip the shaft and remove the nut. How is this shaft fastened to the tractor ? Press fit or is something broken internally? Anyone ever replace one?

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Dave (IL)

12-14-2004 08:37:26




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 Re: Three point attachment thing in reply to Joe Mc, 12-13-2004 19:57:48  
Go to the Ford forum. Look for Lift Arm Pin Wiggles and Giggles
Question on 12/7. Same pix as below but BIG.



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SteveB(wi)

12-14-2004 06:16:05




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 Re: Three point attachment thing in reply to Joe Mc, 12-13-2004 19:57:48  
Here is a pic but it's kinda small.



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( Pic ) Ken N Tx

12-14-2004 13:49:04




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 Bigger Pic in reply to SteveB(wi), 12-14-2004 06:16:05  
third party image

.



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souNdguy

12-14-2004 04:50:07




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 Re: Three point attachment thing in reply to Joe Mc, 12-13-2004 19:57:48  
The advice on tightening the nut was good.

Now about your plow issue. What are you doing that you have to remove the lower lift arm? Is this a 3pt plow or some kind of sulkie?

Soundguy



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Russ in SoCal

12-13-2004 22:42:40




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 Re: Three point attachment thing in reply to Joe Mc, 12-13-2004 19:57:48  
Joe,
What Don said. . . .AND. . . If ya got a 9N or 2N that shaft is straight. When it gets loose, it immediately starts to wallow out the hole. The 8N has a tapered shaft so it usually can be tightened up. Both shafts have threads on the inside ends with a castellated nut and cotter pin. Need to pull the left trumpet. Once the wheel is off, just remove the nuts holding the trumpet to the differential. CAREFUL, it"s heavy. Probably good to remove the differential, CAREFUL, it"s heavy, and retorque the right side also. Like most operations on these tractors, it"s a simple job; just a little intimidating the first time. Oh, the torque on the castellated nut is 150 foot pounds.
Russ

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DON TX

12-13-2004 20:44:47




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 Re: Three point attachment thing in reply to Joe Mc, 12-13-2004 19:57:48  
Sounds like the lower link support. There is a nut on the backside in the trumpet. Yep, you got to take the trumpet loose to get to it. I believe the left side will allow you to get to both sides. Search the archives for the 'lower link support' and you'll get the full skinny on the process. HTH
DON TX



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joe mc

12-14-2004 05:55:50




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 Re: Three point attachment thing in reply to DON TX, 12-13-2004 20:44:47  
Yep, thanks I believe it's the lower link support that is loose. looks like the designers never expected them to work loose, but it became loose after 50 years - must have done a good job.

I wonder if I take it out I should use high strength loc-tite on the fluted end?

I think the plow is a MF universal fit. It has a u shaped tube that fits under the tractor and the blade attaches to the front. The pins are so long I need that extra 1/4" of space by removing the lower nut and arm to insert them.

Not really a problem - only have to do this twice a year - until that lower link became loose

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Russin SoCal

12-14-2004 12:30:22




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 Re: Three point attachment thing in reply to joe mc, 12-14-2004 05:55:50  
Joe,
You didn"t say if it"s a 9/2N or 8N. Either way, I wouldn"t use Loc-tite. It won"t hold for long if the nut or pin is loose. Properly tightened, you"ll have to wait another 50 years to say, "Darn, I should have used Loc-tite back in "04." 8N generally is just a retorque on the nut and install the cotter key. 9/2N MAY have a wallowed out hole in which case retorquing the nut won"t help. It"ll need to be built up with weldment and rebored for a proper fix.
Russ

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joemc

12-14-2004 18:25:39




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 Re: Three point attachment thing in reply to Russin SoCal, 12-14-2004 12:30:22  
It's an 1951 8n. Loc-tite works wonders - just don't want to be the next guy that has to remove it.

99% of the time I turn out to be the next guy

The pictures are fantastic!

Joe



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