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Radiator drain plug stuck

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Svicesv
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Joined: Tue Jul 19, 2022 3:21 pm
Zip Code: 30236

Radiator drain plug stuck

Postby Svicesv » Mon Nov 28, 2022 11:03 am

the radiator drain plug is stuck in my IH cub 1970 model. I have drilled it but my 10 inch Craftsman adjustable wrench broke trying to turn it. What size is that drain plug and thread count? I have searched the manuals and could not find the size of the plug. I plan on retapping the threads. I may have to oversize it. Thanks!
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Don McCombs
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Re: Radiator drain plug stuck

Postby Don McCombs » Mon Nov 28, 2022 11:16 am

http://www.tmtractor.com/new/st/3833fp.htm
Use a rust penetrant and some heat.
Don McCombs
MD, Deep Creek Lake

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The best teachers are those who show you where to look, but don't tell you what to see.
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Urbish
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Re: Radiator drain plug stuck

Postby Urbish » Mon Nov 28, 2022 6:20 pm

I believe it is a 3/8 NPT.
Jim

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tnestell
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Re: Radiator drain plug stuck

Postby tnestell » Tue Nov 29, 2022 5:11 am

Any friends with 8 point sockets and an impact driver?
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NJ Farmer
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Re: Radiator drain plug stuck

Postby NJ Farmer » Tue Nov 29, 2022 7:44 am

If and when you get that plug remove I suggest a brass plug replacement with some TFE paste on the threads so the next generation Cub care taker won’t have the same problem. We have ALL been there at one time or another!

NJ Farmer
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Magnum
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Re: Radiator drain plug stuck

Postby Magnum » Wed Nov 30, 2022 5:56 pm

I had the same problem . I drilled it out and and re-tapped it . It drilled real nice and tapped very well too .
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