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JimWenigOH 
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Joined: 12 Sep 2009
Location: NC Ohio
Points: 1153
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 Topic: 333 No-Til Coulter
Posted: 17 Jan 2021 at 6:43pm |
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I'm in the process of repurposing some no-til coulters and need to remove everything from the yoke hub. There is a dowel pin locking the arm assembly to the yoke hub. So far I'm not having any luck removing that pin. The pin protrudes about 3/16" on top and is flush on bottom. I've been trying to press it back out the top side. Is that correct? Does the hub need heated first?
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tbran
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Joined: 14 Sep 2009
Location: Paris Tn
Points: 3238
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Posted: 17 Jan 2021 at 7:34pm |
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Well it has been in there about 40 years... we always set them on a iron anvil then applied a sledge hammer to a punch in a large slip joint pliers held by a trusting low man on he totem pole..... really tough to get in a press and yes heat to the housing does help. When you get it out , before installing that new piece of gold torsion spring, grind off the point end on a 45 degree down about three quarter inch so it will twist and line up the hole when it is driven back in. The assy is preloaded and the hole will not line up with out a hassle. This trick works great - make sure the round male piece moves easily and doesn't have to be driven in as in remove the paint.
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When told "it's not the money,it's the principle", remember, it's always the money..
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JimWenigOH
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Joined: 12 Sep 2009
Location: NC Ohio
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Posted: 17 Jan 2021 at 8:10pm |
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Thanks for the information Tim. The only part I have any doubts about is whether my wife will agree to hold the pliers. I've only got 6 of these to do.
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rw
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Joined: 28 Oct 2009
Location: United States
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Posted: 17 Jan 2021 at 8:27pm |
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I had to do several and used an air hammer with a punch bit.
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tbran
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Posted: 18 Jan 2021 at 5:45pm |
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did you get a stimulus check to cover the costs? :-) I used my mother in law for years until her fingers ran out... and ,, these are about $230@ ?
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When told "it's not the money,it's the principle", remember, it's always the money..
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JimWenigOH
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Location: NC Ohio
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Posted: 18 Jan 2021 at 7:33pm |
 rw wrote:
I had to do several and used an air hammer with a punch bit.
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Thanks for another good idea. Wife said no to holding the pliers, so I'm going to look at the pawn shop tomorrow for a chisel or pointed tip that I can cut off flat to try driving it out after heating the housing.
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JimWenigOH
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Location: NC Ohio
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Posted: 18 Jan 2021 at 7:46pm |
tbran wrote:
did you get a stimulus check to cover the costs? :-) I used my mother in law for years until her fingers ran out... and ,, these are about $230@ ? |
Too late for the mother in law, lol. Actually I won't be using those rubber shocks any more, I just want the stripped hub and shank to use on a project. I had heard the shocks were pricey.
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automaticdave
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Joined: 20 Jan 2011
Location: Granton, ON
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Posted: 19 Jan 2021 at 7:53am |
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Did any other manufactures or machinery companies use that rubber coulter spring or was it exclusive to only Allis, Dave
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tbran
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Location: Paris Tn
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Posted: 19 Jan 2021 at 2:04pm |
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exclusive to AC - used on plow coulters, cultivator stabilizers, no til coulters and ground drive fertilizer tension suspension. 70350380 $230.00 but they last 40 years - during that time springs, bushings and pivots would eat up a lot of that as in field cultivator pivots.
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When told "it's not the money,it's the principle", remember, it's always the money..
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8070nc
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Joined: 21 Mar 2019
Location: North Carolina
Points: 401
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Posted: 19 Jan 2021 at 4:11pm |
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Where do you get the rubber coulter springs now that are any good. I bought 2 from agco for a 3000 model plow and it seperated and fell off on the first pass
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1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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tbran
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Location: Paris Tn
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Posted: 19 Jan 2021 at 7:49pm |
they are warrantied for a year! They ALWAYS had a few bad, nothing new. You got lucky to have 2 haha
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When told "it's not the money,it's the principle", remember, it's always the money..
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