Removing "super glue"

jlundy46 Nov 17, 2022

  1. jlundy46

    jlundy46 TrainBoard Supporter

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    I picked up a used N scale Kato F7A unit for my Empire Builder consist. The problem is the front coupler is Micro Trains and I can't get to couple with Kato couplers on the passenger cars. Anyone know if there a solvent or thinner that will loosen the adhesive without messing up the pilot?

    Thamks,
    John
     
  2. JimJ

    JimJ Staff Member

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    I have some spray stuff called a “debonder” made for such projects.
     
  3. Calzephyr

    Calzephyr TrainBoard Supporter

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    Acetone used very carefully, use a toothpick with small quantity until debonding occurs.

    Do not use on clear plastics... it will cause fogging.
     
    Last edited: Nov 17, 2022
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  4. jlundy46

    jlundy46 TrainBoard Supporter

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    Thanks for the advice!

    John
     
  5. ogre427

    ogre427 TrainBoard Member

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    Another option to consider is installing one unimate tee shank coupler in the lead passenger car. (I'm assuming probably a baggage car?) You'll have to "lift couple" the two, but the unimate couples well with the Micro-Trains and is an easy drop-in on the Kato trucks.
     
  6. pmpexpress

    pmpexpress TrainBoard Member

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    Bob Smith Industries UN-CURE CA Glue Remover / Debonder

    Notes:

    Since cured Cyanoacrylate Glue is essentially acrylic plastic, anything that will dissolve Cyanoacrylate will also soften most plastics.

    Care must be used when using UN-CURE on plastics.
     
  7. ns737

    ns737 TrainBoard Supporter

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    is the coupler body glued to mount?
     
  8. ns737

    ns737 TrainBoard Supporter

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    sorry i ment coupler box
     
  9. jlundy46

    jlundy46 TrainBoard Supporter

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    The MTL coupler box is glued to the pilot. This weekend I'm goingto ACE and get some acetone and see how it goes.

    I avoid cyanoacrylate glue whenever possible.
     
  10. John Moore

    John Moore TrainBoard Supporter

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    Woman's nail polish remover is acetone. Just get the plain variety without all the added scents and oils.
     
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  11. ns737

    ns737 TrainBoard Supporter

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    it would be nice to see a pic on how it is glued
     
  12. NorsemanJack

    NorsemanJack TrainBoard Member

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    I've never heard of somebody using super glue for this. One more reason not to buy used locomotives. People do strange things to them.

    That said, if the acetone experiment goes South, you could always just add one of those "floorboards" and associated coupler parts to your next Kato parts order.
     
  13. Doug Gosha

    Doug Gosha TrainBoard Member

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    I would just try prying it off first. Super glue doesn't stick real well to most plastics, especially engineering type plastic of which MT couplers are made, unless whoever did it used the kind that supposedly does. I'd still try that, however.

    Doug
     
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  14. bman

    bman TrainBoard Member

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    I'd be very careful with the acetone. There's got to be an easier more plastic friendly solution. The debonder is only likely damage the finish of the shell while the acetone like to melt plastic.
    I am thinking run an exacto blade along the glue joint using several passes and light pressure. Like mentioned above super glue doesn't adhere to the microtrains plastic that well.
     
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  15. NorsemanJack

    NorsemanJack TrainBoard Member

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    Of course, the really stupid thing about super gluing the front coupler in is that the engine can no longer be disassembled. If it were me, I would cut the coupler off, remove the shell and mechanism and only work with the coupler and the engine floorboard it is attached to. That should avoid any unintended damage to the balance of the engine if using something like Acetone.
     
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  16. Carl Sowell

    Carl Sowell TrainBoard Supporter

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    I have never attempted this procedure but possibly if you placed the parts in your freezer for a period of time, the joint might become brittle and come apart. Just thinking of possibilities, don't you smell the smoke ?
     
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  17. jlundy46

    jlundy46 TrainBoard Supporter

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    Thanks for all your help folks. Success! I applied acetone a couple of times. Then I used a pin vise to enlarge the mounting hole in the MTL coupler until there was just a small amount of the coupler left adhering to the pilot. I used need nose plyers to carefully remove the rest off.

    John
     
  18. ns737

    ns737 TrainBoard Supporter

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    good to here you got it out
     
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  19. Run8Racing

    Run8Racing TrainBoard Member

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    I'm late to this and sure most wouldn't like my solution. Convert EVERYTHING to M/T !!! ALL my stuff couples together with no problem !!!
    At one time even had a GF that was M/T'ed. She grabbed a pair my of 1015s and made a set of earrings !!! Now if I could just get the cat to hold still... !!!
     
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  20. NorsemanJack

    NorsemanJack TrainBoard Member

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    You convert your Kato passenger sets to MTs? Really?? Why would anybody do that?
     

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