Easy out extraction

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Catboy1

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Hi Guys,

I somehow broke a button head fitting off in my idler of my 9U. I tried to use an easy out and snapped it off. Any suggestions? I have tried using a Center punch to shatter it but no go. I have tried cutting small lands in the broken fitting with a cold chisel and tapping with a punch to try and get the fitting to thread out that way, no go. I assume I can’t torch it out since the slag will go in and contaminate the bearing. Thanks for all your guy's help, Robyn

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Tue, Jul 3, 2018 11:55 AM

JoeG

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Weld a nut to it and unscrew it.

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Tue, Jul 3, 2018 3:48 PM

boots

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Reply to JoeG:

Weld a nut to it and unscrew it.

weld a flat washer to easy out then weld a nut to flat washer weld heat expands broken object whe coos contracts smaller you get 2 contractions from weld heat from this and 2 chances to expand and contract

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Tue, Jul 3, 2018 7:19 PM

ccjersey

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X2
welding a nut on it is very likely to work. Sometimes if the fitting is broken off flush with the surrounding metal, it is better to weld on a flat washer first. Then you can weld a bigger nut onto the flat washer to turn it out with. If there is something sticking up through the nut i will skip the flat washer.

It can be a challenge to weld down inside the correctly sized nut and get good penetration all the way around. The flat washer is easier to chip the flux off and do a good job welding. When you go to weld the nut on you have plenty of surface to lay a bead on and not catch the housing !

You can search online for "rescue bit". I haven't used one but the video claimed it will drill out broken taps etc.

D2-5J's, D6-9U's, D318 and D333 power units, 12E-99E grader, 922B & 944A wheel loaders, D330C generator set, DW20 water tanker and a bunch of Jersey cows to take care of in my spare time😄

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Tue, Jul 3, 2018 7:25 PM

STEPHEN

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Reply to ccjersey:

X2
welding a nut on it is very likely to work. Sometimes if the fitting is broken off flush with the surrounding metal, it is better to weld on a flat washer first. Then you can weld a bigger nut onto the flat washer to turn it out with. If there is something sticking up through the nut i will skip the flat washer.

It can be a challenge to weld down inside the correctly sized nut and get good penetration all the way around. The flat washer is easier to chip the flux off and do a good job welding. When you go to weld the nut on you have plenty of surface to lay a bead on and not catch the housing !

You can search online for "rescue bit". I haven't used one but the video claimed it will drill out broken taps etc.

A small carbide bur will work.

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Tue, Jul 3, 2018 7:42 PM

ronm

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Reply to STEPHEN:

A small carbide bur will work.

http://www.edmperformance.com/BrokenTapRemover.aspx

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Tue, Jul 3, 2018 9:35 PM

Ray54

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Reply to ronm:

http://www.edmperformance.com/BrokenTapRemover.aspx

The welding a nut on is my go to over all other methods. But what ever your comfortable with.

All the older rollers have brass or bronze bushing,no bearing so take it apart and wash it out when the broken parts are out.

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Tue, Jul 3, 2018 9:53 PM

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