Hinge pin removal. Drill?? Any tips welcomed
I snapped two hinge pin tools, tried heat, and now stripped the hinge pin trying to use a 1/2" hex. Is my only option is to drill them out? Any tips on drilling?
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I drilled one out on my TRS drives a few boats ago. Just pick a smaller diameter ( can always go bigger later), Sharp, and let the drill do the work. It went pretty easy.
I did the same job for a buddy of mine later on (I sprayed them with canned bead blaster) Came right out with no issue. |
I took a sawzall, and cut the pin flush on each side of the drive. Then, took a small bit, like 1/8 or 3/16, i dont remember exactly but it was small. Drilled directly thru the center of the pin. Once i did that, it tapped right out. But before drilling, i tried EVERYTHING. Cut off the excess, drill it, and your done.
I just used a good bit, and lots of cutting oil. It actually drilled easier than i expected. |
on trs I have welded bolts to them (side pins) and air guned them out.
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Before you do ANYTHING I would soak them in PB Blaster for a couple days. I am sure you don't want to wait, but that stuff works miracles sometimes....
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As a last resort weld a nut on the bolt, the heat from the weldingt helps. I sell hinge pins.
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Update: started with small bit and worked my way up to a bigger bit. Snapped the heads of the hinge pins off with an extractor after drilling. This allowed me to remove the bellhousing. I barely missed the threads in the bellhousing while drilling. I am left with a crescent moon shape of steel where I drilled the bellhousing. I tried getting the crescent shape remnants out with heat and extractor. I tried chiseling a little also. Decide to give it a rest and see if you guys knew how to get the remainder of the threaded portion of the pin out. Taking to a machine shop tomorrow. Do you guys have any suggestions?
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Woke up this morning thinking I'll try burning it with stick welder?
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Originally Posted by pitts1313
(Post 3369704)
Woke up this morning thinking I'll try burning it with stick welder?
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Guys I appreciate all the suggestions. Turned the stick welder up on high and blew a piece off and scared to do anymore. It must be loctite and corrosion. I barely missed the threads when drilling. I went ahead and took to machine shop before I messed up anything.
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