Broken bolt on Exciter Cap
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  1. #1
    Join Date
    Jan 2013
    Location
    San Antonio, Texas
    Posts
    45

    Broken bolt on Exciter Cap

    Top bolt broke. Tried to drill it and use easy out to remove bolt. Then easy out broke. Pushed it in with a center punch and re drilled it. Had room for tap, so i thought. Then the tap broke off in the hole. Guess what my question is how do i get the easy out and now tap out of the bolt hole?

  2. #2
    Join Date
    Jul 2013
    Location
    NYC
    Posts
    106
    What size is bolt?
    Sal

  3. #3
    Join Date
    May 2008
    Location
    Orange, TX
    Posts
    10,326

    Re: Broken bolt on Exciter Cap

    Quote Originally Posted by WPSalvation View Post
    What size is bolt?
    1/4-20


    Quote Originally Posted by Texas"T" View Post
    Guess what my question is how do i get the easy out and now tap out of the bolt hole?
    Utilizing 20/20 hindsight, I would have started by welding a 5/16" nut on it to get it out. If the bolt was broken off below the surface I would have used a 13/64 (tap drill size) to drill it out and re-tap (using a sharp tap).

    But to answer your question as to what to do now - you've likely got your work cut out for you if you can't weld a nut on the piece of broken tap.

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  4. #4
    Join Date
    Mar 2010
    Location
    Delaware
    Posts
    838

    Re: Broken bolt on Exciter Cap

    Well a broken tap extractor will work
    Attached Images Attached Images  
    Lincoln Power Mig 180C
    Hot Max Spool Gun
    HF 95136 and 60767 Plasma Cutter
    ALPHA TIG 200X
    Lincoln 225 AC
    www.georgesplasmacuttershop.com

  5. #5
    Join Date
    Jan 2013
    Location
    San Antonio, Texas
    Posts
    45

    Re: Broken bolt on Exciter Cap

    thanks for the info. size is 1/4 20. where can i get a tap extractor?

  6. #6
    Join Date
    Jul 2009
    Location
    SW Washington State
    Posts
    1,052

    Re: Broken bolt on Exciter Cap

    Hello Texas"T", in addition to the suggestions that have already been given, if you have access to a GTAW/TIG welding machine here is another alternative. Generally I will use stainless steel filler wire when I use this method as it resists the boiling/pin-holing that I have experienced with standart ER 70-SX rods. Carefully apply filler to the broken portion of the tap/bolt/other stuck item and once it is built-up enough you can generally grip it with vice-grips and work it out. Good luck and best regards, Allan
    Attached Images Attached Images     
    aevald

  7. #7
    Join Date
    Mar 2010
    Location
    Delaware
    Posts
    838

    Re: Broken bolt on Exciter Cap

    They have them on ebay
    Lincoln Power Mig 180C
    Hot Max Spool Gun
    HF 95136 and 60767 Plasma Cutter
    ALPHA TIG 200X
    Lincoln 225 AC
    www.georgesplasmacuttershop.com

  8. #8
    Join Date
    Jan 2013
    Location
    San Antonio, Texas
    Posts
    45

    Re: Broken bolt on Exciter Cap

    Thanks to everyone with their comments. i used a high strength bit and slowly drilled through it. then retaped it.

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