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D17 S1 - Lift Housing Drill & Tap
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bendts View Drop Down
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Joined: 12 Jul 2020
Location: NW Wisconsin
Points: 86 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bendts Quote  Post ReplyReply Direct Link To This Post Topic: D17 S1 - Lift Housing Drill & Tap
    Posted: 10 Dec 2023 at 8:49am
Finally getting my 3-poit set-up installed and have read that many likes to drill and tap 1/2" threads in the lift housing for the upper link bracket.

Or would a 3/4 tap be even better?

Is it necessary to remove that entire housing to do this? Or can I just drill and tap with a shop-vac and let any of the internal metal shaving settle and do a oil flush to get out the worst of it?

Planning on tapping the existing PTO Shield holes or going a bit wider with 2 new holes in the thicker lower section only.

Thanks
1960 D17 Gas # 28849
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20479 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 10 Dec 2023 at 10:33am
I've only done one over the years. I redid the existing 3/8" PTO shield holes to 1/2" NC thread Gr8 and was careful not to break thru to the inside and loctite. To go 3/4" would not be my choice. My bracket was homemade and I purposely shaped it to fit flat on top of the lift arm housing at the rear and drill two 1/2" holes down from the top into the lift arm housing and then extend forward to the seat mtg holes. The two holes on top I broke thru and nutted them on the inside with the housing removed. Loctitie seal everything.
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bendts View Drop Down
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Joined: 12 Jul 2020
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Points: 86 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bendts Quote  Post ReplyReply Direct Link To This Post Posted: 10 Dec 2023 at 2:08pm
Great Thanks - I'll give that a shot.
1960 D17 Gas # 28849
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DrAllis View Drop Down
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Points: 20479 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 10 Dec 2023 at 3:17pm
You will find on that tractor, a shorter top link is needed and usually should be hooked higher up and away from the PTO shield bolt area. It's the geometry of the hitch.
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Lon(MN) View Drop Down
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Joined: 11 Sep 2009
Location: Elk River,MN
Points: 1966 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lon(MN) Quote  Post ReplyReply Direct Link To This Post Posted: 13 Dec 2023 at 7:48am
I have an aftermarket top link bracket for sale. I just thought I would through that out there . $75 if you are interested.
http://lonsallischalmers.com
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