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Brass nut removal

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mm

02-17-2003 07:20:59




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I own a compressor with a brass nut on the bottom. I plan on removing this and putting in a drain value. The problem is I brought it used and can not remove the rounded nut. I tried heating and using PB blaster with a pipe wrench and can not remove it. Any ideas on removal would be helpfull




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Bus Driver

02-17-2003 16:14:15




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 Re: brass nut removal in reply to mm, 02-17-2003 07:20:59  
I do not claim experience in this, but those removing brass plugs from carburetors say to heat up the plug and then let it cool. The brass expands more than does steel and compresses itself in the hole. When cool, the brass will be a bit looser. I trust this info enough that I would try it if I had the problem of a stuck brass plug.



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dan

02-17-2003 15:01:56




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 Re: brass nut removal in reply to mm, 02-17-2003 07:20:59  
Make it really really cold. Works for brass balls.



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Mac

02-17-2003 13:43:54




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 Re: brass nut removal in reply to mm, 02-17-2003 07:20:59  
I cant imagine an airtank without a drain of some sort. If the tank is solid, yes I would attempt to remove it and put in a pet-cock type drain valve. Brass is not that hard to remove. Dont forget to release all pressure on the tank before drilling plug. You might need to use a thread chaser after you remove the plug.



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Mac

02-17-2003 08:59:50




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 Re: brass nut removal in reply to mm, 02-17-2003 07:20:59  
If you mean a brass plug, last resort you may have to drill it out.



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mm

02-17-2003 11:27:39




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 Re: Re: brass nut removal in reply to Mac, 02-17-2003 08:59:50  
is it better to remove it or just leave it alone



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Jonathan

02-17-2003 13:49:28




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 Re: Re: Re: brass nut removal in reply to mm, 02-17-2003 11:27:39  
As all air tanks, it will collect water and should be drained. Most compressor tanks that I have seen already have a drain. Sounds like Mac is right, it must be a plug. Did it have a square head? If that is the case, get the vise-grips or pipe wrench and have at it. Drill as the last resort. Being brass, it won't be difficult.



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deadeye

02-17-2003 14:56:55




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 Re: Re: Re: Re: brass nut removal in reply to Jonathan, 02-17-2003 13:49:28  
If you are heating things up with a torch, heat the tank around the plug. Try not to heat directly on the plug itself. Heat expands. Use a pipe wrench with longer handle and good teeth on it.



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william

02-18-2003 18:32:14




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 Re: Re: Re: Re: Re: brass nut removal in reply to deadeye, 02-17-2003 14:56:55  
u can melt brass if u get it hot with a torch just dont use any oxygen for cutting it will cause the brass to harden



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