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d17 final drive hub holes stripped
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ChuckLuedtkeSEWI View Drop Down
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Joined: 11 Sep 2009
Location: Jackson, WI
Points: 1826 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ChuckLuedtkeSEWI Quote  Post ReplyReply Direct Link To This Post Topic: d17 final drive hub holes stripped
    Posted: 27 Apr 2010 at 4:55pm
The D17 that I am working on, about half of the bolt holes on each side are stripped and the previous owner put longer wheel bolts through with nuts on the backside to fix the problem, but made it a real pain last night when I changed out and put new tires/wheels on with different wheel centers.  Would like to fix them up right, so wondering what the best method is to fixing them.   I have seen helicoils used but I don't know if they make them in that fine thread and if they would even hold up to the stress of the rear wheels.  Or am I just better to try and partially weld the holes shut and redrill and retap them and then put nuts on the back for good measure?   This is the first time I have dealt with this and want to make sure that it is also the last time I do this job on this tractor. 
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FredW View Drop Down
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Joined: 12 Sep 2009
Location: N. Weston,OH
Points: 588 		Post Options Post Options   Thanks (0) Thanks(0)   Quote FredW Quote  Post ReplyReply Direct Link To This Post Posted: 27 Apr 2010 at 5:09pm
I think they are nine sixteenth thread now I believe maybe I would try and go a size bigger and tap them out to a five eighths diameter the rim hole is close to that already or maybe that is open for debate? Fred
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CTuckerNWIL View Drop Down
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Joined: 11 Sep 2009
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Points: 22823 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 27 Apr 2010 at 5:23pm
Chuck, we used inserts like this one where I used to work. If there is enough room to open the hole up and tap it. These work much better than a helicoil.
http://www.grainger.com/Grainger/items/5WY99?Pid=search
http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Bruce Nelson View Drop Down
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Joined: 17 Sep 2009
Location: Centuria, WI
Points: 137 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Bruce Nelson Quote  Post ReplyReply Direct Link To This Post Posted: 27 Apr 2010 at 5:46pm
The longer bolts with the nuts is how Allis Chalmers made the 180 better and stronger.  I would convert them all to bolts and nuts. 

Edited by Bruce Nelson - 27 Apr 2010 at 5:48pm
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