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removing hitachi bowl drain screws

Discussion in 'XJ Technical Chat' started by colinski6, Oct 19, 2015.

  1. colinski6

    colinski6 Member

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    Well I'm in a bit of a pickle. I have a 650 seca. The bowl drain screws are stripped off inside the bowls. I tried to drill them out but it has not really worked. Now I have some screws with big holes drilled in them stuck in the bowls. I'm sure there is a thread about this but maybe not one where an easy out hasn't worked.

    Thanks

    Colin
     
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    use an easy out in the hole you drilled heat the bowl with propane torch a little.
    also soak from inside with penetrating oil.

    they are off the bike?
     
  3. Polock

    Polock Well-Known Member

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    this might sound dumb but clean out the enrichment well first. get the carb cleaner to squirt through it now. reason being, you going to get it real hot and anything in the enrichment well might turn into a cinder and never come out.
    now do the penetrating oil thing, then with wood screws, screw it down tight on a board. pick the biggest ez-out that's going to grab and start it in. push and turn until it grabs, then take it out.
    now get the propane torch and heat it,hot, like it's going to melt hot (it won't melt) now put the ez-out back in and you should hit the same notches it made before and give it a twist. if it moves, stop take the ez-out out, let it cool a bit, more oil and twist again.
    i have 0 faith in ez-outs
     
  4. Stumplifter

    Stumplifter Well-Known Member

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    Nothing like snapping an ez-out to make you cuss like a sailor.
     
  5. quebecois59

    quebecois59 Well-Known Member

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    I've been there, tabarnac !
     
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  6. Stumplifter

    Stumplifter Well-Known Member

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    LMAO :D
    I had to look that up, I'm gonna start using that one.
    Tabarnac!
     
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  7. quebecois59

    quebecois59 Well-Known Member

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    It is the sacred cabinet where the priest stores the sacred dishes. The right spelling is tabernacle, but it is less funny if you pronounce it too well...
     
  8. MN-Maxims

    MN-Maxims St. Paul Minnesota

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    Securing the bowls to piece of wood is the key to working in the drain screws. The threads are usually not whats stuck its the tip of the drain screw seized in the hole is where the problem is I have found.
     
  9. MattiThundrrr

    MattiThundrrr Not a guru

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    French has all the best religious swears. Most are untranslatable into english, or at least when you ask the Quebecer that you just cut off in Montreal traffic! Maudite! Signeur!
     
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  10. Nuch

    Nuch Well-Known Member

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    I had more than one occasion where I used the GRABIT...

    http://www.lowes.com/pd_280440-41877-8520P___?productId=3030140

    Though in all honestly, I've had mixed results. For instance, BOTH of my master cylinder screws were frozen and stripped when I bought my 700. The first screw came right out. The second attempt... not so much. I ended up having to drill the hole out completely and dropping a long bolt through (nut on the outside of the MC) just to hold the cover on. It works, but it's not pretty. A new MC is not in the budget right now unfortunately.

    No doubt it was my nerves and lack of conviction that caused the failure in removing the frozen screw appropriately... I was worried that I was going to screw things up... Guess what? I did!

    Make sure you use the drilling side of the bit long enough to create a good solid hole for the "grabbing" side of the bit to do it's work...
     
  11. bunglejyme

    bunglejyme Member

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    Yes, heating them may help but be careful not to melt the aluminum. Aluminum doesn't give you and clue that it about to melt. It doesn't turn orange like steel, copper and brass when it gets to a certain temperature.
     
  12. bunglejyme

    bunglejyme Member

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    I used to work in Tool and Die and the worst thing was snapping off a tap in a block of tool steel that you spent days maching. We'd have to send it out to a shop that did EDM (electro-discharge machining) to "burn" the tap out.
     
  13. bunglejyme

    bunglejyme Member

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    When you finally do get the screws out, before you put them back in, lightly coat the threads and the tapered tip with anti-seize compound. Just a light coating.
    Also, don't over-tighten them.
     
  14. Polock

    Polock Well-Known Member

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    your right, a propane torch will melt AL but the board will catch fire long before it does. if the board starts burning, that's a sign you got carried away :)
     
  15. colinski6

    colinski6 Member

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    Well I got them out with with a combination of EZ out, left handed drill bits, penetrating oil, and most importantly a torch. I got the screws that poke out beyond the bowl now so hopefully I won't have to do this again.

    Thanks to everyone for your help.
     
  16. XJ550H

    XJ550H Well-Known Member Premium Member

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    anti seize on the threads will ensure it does not happen again
     
  17. MN-Maxims

    MN-Maxims St. Paul Minnesota

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    Or buy the Stainless Steel ones from Chacal and for sure it won't happen again.
     
  18. hogfiddles

    hogfiddles XJ-Wizard, Host-Central NY Carb Clinic Moderator Premium Member

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    If they break off inside , you can also just buy replacement bowls-----/
     
  19. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Stainless will seize in aluminum eventually (faster if you live near the ocean). https://www.fastenal.com/content/feds/pdf/Article - Corrosion.pdf

    Here is what keeps the drain screws from seizing; use them at least once a year.
     

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