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Tractor Talk Discussion Forum

brass fitting twisted off in block

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terry

01-21-2004 17:56:56




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I have a brass fitting that twisted off in the block. A oil line runs from the brass fitting to the oil filter cartridge on my old tractor.

My concern is keeping the brass filings out of the oil passage if I drill out the fitting.

My question is-- whats the best way to get the fitting out of the block? Tractor is 53 years old, and I spose its was put in the day it was born.


thanks a bunch for any help you may have.

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wdTom

01-24-2004 18:10:10




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 Re: brass fitting twisted off in block in reply to terry, 01-21-2004 17:56:56  
I know this won't keep the chips out, but you may need this one. I get broken off pipe threads out by making a cut in the inside of the pipe with a hacksaw blade or a sawzall blade etc. Cut until you just feel it hit the tips of the cast iron threads. Now take a punch and tap the sides of the broken off piece towards the center. This will usually loosen it enough to allow yo to unscrew it. Sometimes cuts on opposite sides work. the small amount of metal of the broken off piece left in the threads isn't very strong and usually doesn't keep you from colapseing the thing inward. As for the chips, can you plug the hole with a rag? Insert a smaller tube beyond the chips and blow them out with compressed air?

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VADAVE

01-22-2004 04:54:15




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 Re: brass fitting twisted off in block in reply to terry, 01-21-2004 17:56:56  
Be careful with the ez-out--it will be really hard to drill if you break it off. Consider drilling with a left hand bit. At some point in the drilling the fitting should just back out.



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Johnski

01-22-2004 00:19:28




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 Re: brass fitting twisted off in block in reply to terry, 01-21-2004 17:56:56  
Approx. what size is the fitting? If it is small like 1/8 or 1/4 pipe thread it should come out easily. Take a drift punch the same diameter as the fitting and give it a few good taps on the end of the fitting. This will loosen the threads as they are tapered. Next, insert a small easy out and unscrew the fitting. You can also use a file in place of the easy out by putting the tang end into the fitting and tapping it in gently and then unscrewing.

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Joe (Wa)

01-21-2004 21:36:02




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 Re: brass fitting twisted off in block in reply to terry, 01-21-2004 17:56:56  
Before you get to the point of drilling it out try a 3/8" square drive torx head. Use a torx head size that will form a good spline grip and drive it in. Heat is optional. The torx will not compress the fitting into the threads like an easy-out. If it breaks or strips out, go for the drill, preferrably LH. Joe



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old

01-21-2004 18:54:22




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 Re: brass fitting twisted off in block in reply to terry, 01-21-2004 17:56:56  
If you can find an ez-out like I have it will come out very easy they sort of look like a left hand fine tread screw and so far I have gotten every thing out with them that I have tried, I have a complete set cost me around $100 for them but have been worth it. Sorry I can't tell you there name or makers name right now but if I remember I'll post it here tomorrow



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Keith(OR)

01-21-2004 21:18:47




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 Re: Re: brass fitting twisted off in block in reply to old, 01-21-2004 18:54:22  
Hey Old, if they have a hex head they probably sold buy Snap On Tools. I have a set I bought from Snap On years ago , work really great.

My 2 cents worth



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old

01-22-2004 07:37:16




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 Re: Re: Re: brass fitting twisted off in block in reply to Keith(OR), 01-21-2004 21:18:47  
No they aren't snap on but I did have to order them from my auto parts store and yes they work very well



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DaveWis

01-23-2004 03:42:51




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 Re: Re: Re: Re: brass fitting twisted off in block in reply to old, 01-22-2004 07:37:16  
The original ones were Rodick. If, or should I say when, you break one, you will find they are necked down inside the hex part so there will be a short stub left you can get a hold of to remove it. Also the shoulder stops them from going into the broken stud or bolt too far and wedging it tighter.



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Wayne

01-21-2004 18:53:26




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 Re: brass fitting twisted off in block in reply to terry, 01-21-2004 17:56:56  
Hey Terry, Phil is right. Put some grease in the hole to catch any filings/shavings that get in there. If it's a pressure passage then it will self flush, if not then a vacuum should work great for removing the mess. I just experienced the same problem a couple weeks ago with a 4-71 Detroit. The best way I've found to remove any kind of broke fitting, if an easy out doesn't work first, is to take a small hacksaw blade and saw through it in at least two places 180 degrees apart to relieve the tension on it. There are some really small fine toothed blades out there, and they work best on smaller fitings, but if you don't have one like that you can always grind the back off a regular blade to thin it down enough to fit, just don't the blade too hot while your doing it. After you get it cut take a small cape chisel, or whatever you have that will work, and tap on it in the out direction. Most of the time it will come right out when you do that. If not then saw two more 180 apart on the opposite sides from the first two cuts, making four pieces. Do the same thing again with the chisel. If it still doesn't move, then get on the outer lip, where it broke, with the chisel and tap it toward the middle and collapse the 4 pieces toward the middle. I have never had one fail to come out if I had to take it this far. Good luck. Wayne

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Phil9N

01-21-2004 18:13:16




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 Re: brass fitting twisted off in block in reply to terry, 01-21-2004 17:56:56  
Hey Terry. Talk about bad luck. Find out first if the oil is coming out of the fitting going to the filter or going from the filter to the fitting. If its coming out to the filter you'll be able to drill(if necesary) it or use a good extractor to get it out. If any shavings get in, you could get someone to crank the engine over with the ignition unhooked or the stop lever out (diesel?) until clear oil flows out. If oil flows into the engine at this fitting, you could put some heavy chassis grease on your drill bit or the extractor to help catch the shavings and if push came to shove you could use a shop vacuum with a small nozzle to pull any filings etc. out of the hole. Just remember, most pipe(tapered)fittings dn't need but a small amount of sealer and just snug them up. Don't get heavy handed tightening them and always use a backup wrench to support it.

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Ray,IN

01-21-2004 18:39:39




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 Re: Re: brass fitting twisted off in block in reply to Phil9N, 01-21-2004 18:13:16  
A pipe extractor or EZ out will expand the soft brass and hold it that much tighter in the block usually. I'ts still worth a try, just don't over do it and twist off the EZ out, creating a much larger problem. Make sure the EZ out has enough room to bite without bottoming out against a web in the block. Better yet try using a left handed drill bit to drill out the brass leaving only the brass threads to be removed with a small pick. This is where the dentist tools come in real handy that are sold at flea markets. If you're lucky the LH drill will grab and unscrew the brass piece.

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RJ-AZ

01-21-2004 20:21:17




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 Re: Re: Re: brass fitting twisted off in block in reply to Ray,IN, 01-21-2004 18:39:39  
I like to apply a little heat around the fitting and have been able to turn em out real easy. Just one of those little propane plumbers torches works just fine.



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