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Implement Alley Discussion Forum

I CAN'T GET ROLL PIN OUT

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Michael Price

02-06-2007 06:38:49




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On the disk Im fixing up there is a lever up front that you turn and it screws itseld up or down to push on the drawbar to keep the disk level. On the end of the threads there is a knob and its held on there with a roll pin and I cant get it out. I beat and beat on it and sprayed it with PB and it didnt budge. Does anyone have any ideas?




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Michael Price

02-08-2007 08:53:46




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
Guess what, I got it apart finally. Wildonewest was right, somehow, I have no clue how this happens but the pin got sheared or bent. It took alot of drilling and hammering and some torch work but I got it. I broke a few drill bits and used the drill doctor alot. Now Im just going to drill it out to a 1/4in. Thanks for everyones help, Ill probably have some more questions before I get this thing put back together.

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wildonewest

02-07-2007 16:10:41




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
Is it a roll pin or a drift pin? The problem with roll/drift pins in handles/nobs is that the pin hole in the handle is not in line with the shaft hole anymore as in with your case. The long term use will bend/tweak the roll/drift pin just enough so that the handle and shaft holes are not in line anymore making it vary difficult to remove. What I would do is use a hammer to shift the handle around to where you think the holes in both the handle and shaft are all in line and use a good drill bit. Hope this helps

Wild one

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John in Ct

02-07-2007 14:27:09




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
Just a thought if you have to drill it out. Use GOOD TOP QUALITY cobalt drill bits. Start with a drill bit that is a little less than the id of the roll pin and work your way up.



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Michael price

02-06-2007 14:06:40




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
I tried drilling it out and that didnt work and I tried using the torch and didnt get it so I took the torch and melted the pin and it worked good for the first 1/4in or so but theres still some of the pin in the center I cant get out. Melting it with the torch works good but when I try to melt it inside the flame heats up the torch tip to fast so I cant keep in on there long enough to melt it out.

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J Plunkett

02-06-2007 14:58:58




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael price, 02-06-2007 14:06:40  
What about a die grinder and small carbide bit use it to cut the side out of the roll pin,it will drive out easy then.



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Michael Soldan

02-06-2007 12:52:54




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
I'll bet its rusted in there if it isn't the tapered type..blue wrench, cold water and it'll pop out



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Michael Price

02-06-2007 10:21:58




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
Its is a roll pin for sure, I claened it off really good because I thought it was a allen scres but I seen it can out both ends and the hole was full of dirt so I cleaned it out. I never seen a roll pin punch, I think Ill have to keep an eye out for a set. I thought about drilling on it but since the pins are so had was was hoping I wouldnt have to. Im going to go out and see what I can do with it.

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glennster

02-06-2007 13:07:35




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 10:21:58  
sears or your local napa will have the roll pin punches. they look like a center punch,but the shaft is the same diameter as opposed to a taperd shaft of the center punch. there is usually 3 or 4 sizes in the kit. check your roll pin to see if the end is mashed up, if so grind it flush so it can slide thru the hole. heat the pin up, use a propane torch if thats all you have and then drive the pin out. if you have trouble keeping the punch on the pin, grind a step in the end so it can slip into the pin hole, then drive her out.

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hunting4junk

02-06-2007 10:11:10




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
Lots of good suggestions here. I would add that if you heat it up have some parifin wax handy and put it on the hot pin. it will melt into the smallest of areas and makes a great lubricant to help free pins and srews. also it won't evaporate like the spray on lubs will while the metal is hot



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TomTX

02-06-2007 09:22:45




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
In my limited experience with roll-pins, use a special "roll-pin punch" and its like a bird nest on the ground. Tom



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CENTAUR

02-06-2007 09:03:55




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
Roll pins are hard and brittle for some uses and there are roll pin punches with a pilot to keep them centered while driving out.Check to see if its a tapered pin like the other post suggested.CENTAUR



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Kent in KC

02-06-2007 07:55:55




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
I once used a screw extractor to get a roll pin out. Worked great.



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Rich Va

02-06-2007 07:26:48




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
If it is a roll pin you should have started off with a punch the same diameter as the pin,anything smaller will just brad it. Heat helps,heat up and let cool then give it a try. Like the others said,you may have to drill,thats not a problem with the right bit.



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BCnT

02-06-2007 07:21:28




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
put something solid behind knob that wont move and smack pin with a bigger BFH



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MLD

02-06-2007 07:18:48




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
If worst comes to worst, you can try drilling it out, probally won't be easy.



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Hayfarmer

02-06-2007 07:16:04




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 Re: I CAN'T GET ROLL PIN OUT in reply to Michael Price, 02-06-2007 06:38:49  
Are you sure it is a roll pin and not a tapered pin, ie maybe you need to beat on the other side. or maybe an allen screw. Otherwise I would try using heat on knob(hopefully we are talking metal) may break the rust loose. Sometimes if you use penetrating oil after heat it will soak in.



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