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Radius arm pin removal
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8NRay

05-04-2001 16:07:19




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Radius arm pin is broken and only the top 1" or so is holding the arm on. The bottom of the arm is flopping in the breeze. Got a new pin and trying to drive old one out. Obviously 52 years of setting and the rust must have it pretty good. I'm using a 3/8" bolt to try and drive the pin up but I can only hit it "so" hard swinging from the floor up. I've got it setting with penetrating oil now hoping it will help loosen it.
So do I resolve my self now to removing the axle so I can flip it over and really hit it?
In a related topic, the radius arm Y is sprung probably from driving it with the pin broken so that the lower hole doesn't line up with the axle hole (there is about 1/2" gap at the bottom of the fork). Has any one ever fixed one of these? Looks like either a strong hydraulic press to spring it back or heat it and beat it back in place, or just get another arm?

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bj/8N/mt

05-05-2001 04:43:43




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 Re: Radius arm pin removal - help in reply to 8NRay, 05-04-2001 16:07:19  
after the penetrating oil has a while to work put a correct size punch under it and force it up with a bottle jack. pin should release before you bend anything and worse case you jack up the tractor.

Your mileage may vary



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Steve IA

05-05-2001 04:22:50




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 Re: Radius arm pin removal - help in reply to 8NRay, 05-04-2001 16:07:19  
To break it free, why not hit it top down? Once it
starts to move, switch to bottom up and drive it out. #2. Evaluate this next suggestion in relationship to your own desperation: Stick your driving bolt into the hole from the bottom and then put a jack under the bolt and jack up the tractor. With the weight of the front axle on the bolt/jack, strike the yoke down around the the top of the pin. Use something round like a pipe or socket to pound on as the yoke is probably cast and may break. Maybe this isn't a good idea. It's early ...
#3. If your pin is only about 1" long, it could be drilled out and chisled to pieces if need be. My 2¢ Steve 8N 169302

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Mountainman

05-05-2001 00:53:24




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 Re: Radius arm pin removal - help in reply to 8NRay, 05-04-2001 16:07:19  
A couple of thoughts.
I use marvel mystery oil and carb cleaner alternately with penetrating oil - tap lightly with a big hammer to set up vibrations to help free the parts.
You might get a better swing at it if you put the one front tire up on a ramp or solid wood block.

Hope this helps.

N - joy.

Mountainman (CA)



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Michael Az

05-04-2001 18:52:09




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 Re: Radius arm pin removal - help in reply to 8NRay, 05-04-2001 16:07:19  
If I remember right, mine were rusted in the same way and hard to get out. The oil may help if given enough time. Seems like I remember using a torch and big hammer. I would try bending the bent yoke back before getting another, If you heat it, let it cool slowly and not with water.-----Michael



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