Temperature Sensor fitting broke

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   I inherited my families AC D-15 II this year.  I got it started a couple of times, but I think the switch is failing.  When I did get it started, it ran better than I can ever remember.  The oil gauge, amp gauge and temp gauge were all in bad shape or not working.  I ordered AC replacement gauges and installed the oil and amp first then went to the temperature gauge.  When trying to turn the temp threaded adapter out of the block, the thread broke away from the nut top.  I will have to get an easy out and try some heat to break it lose.  If that doesn't work, drilling may be an option.  Any advice will be appreciated.
Mark

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mherndon Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 30 Apr 2012 Location: Tennessee Points: 87	Post Options Post Reply Quote mherndon Report Post Thanks(0) Quote Reply Topic: Temperature Sensor fitting broke Posted: 24 Jun 2015 at 6:53pm
	I inherited my families AC D-15 II this year. I got it started a couple of times, but I think the switch is failing. When I did get it started, it ran better than I can ever remember. The oil gauge, amp gauge and temp gauge were all in bad shape or not working. I ordered AC replacement gauges and installed the oil and amp first then went to the temperature gauge. When trying to turn the temp threaded adapter out of the block, the thread broke away from the nut top. I will have to get an easy out and try some heat to break it lose. If that doesn't work, drilling may be an option. Any advice will be appreciated. Mark
	D-15, Old dealer in Smithville, TN

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DiyDave Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 11 Sep 2009 Location: Gambrills, MD Points: 54137	Post Options Post Reply Quote DiyDave Report Post Thanks(0) Quote Reply Posted: 24 Jun 2015 at 7:42pm
	First thing I would do is to try Kroil, or atf/acetone. If there is meat enough left, use a pair of American vice grips, and just tap back and forth. If not, use a Spline type extractor, of the right size, like this set: https://store.snapon.com/Combination-Extractor-Sets-Extractor-Set-20-pcs--P630634.aspx I would use a small (3/8") impact gun, or a battery drill impact gun, and just rattle on it at a low torque setting. if that doesn't seem to work, I would go to a pipe nipple screw type extractor, like these: http://www.harborfreight.com/catalogsearch/result?q=pipe+nipple+extractor+set

sandman2234 Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 21 Feb 2013 Location: Jax Points: 2547	Post Options Post Reply Quote sandman2234 Report Post Thanks(0) Quote Reply Posted: 25 Jun 2015 at 6:59am
	Patience, is the first requirement of pulling a broken screw... David from jax
	A proud member of the Allis Express movement! Northeast Florida