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Cylinder bushings stuck in Cimarron SAA

Discussion in 'Gunsmithing and Repairs' started by mikechandler, Aug 6, 2014.

  1. mikechandler

    mikechandler New Member

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    I picked up a pair of used Model P Cimarrons, they have the cat 537 written on the box... they were a deal (I thought) at $700 for the pair from the used gun room of cabelas. Unfortunately they would not let me remove the base pins at the store. They did come with 45ACP conversion cylinders (that model comes with 45LC/45ACP cylinders). On the outside, they're beauties with the charcoal case-hardening and deep blue finish.

    Taking them home, and pulling the pins, I think they are the filthiest guns I've ever seen. In any case the bushings cannot come out of three of the cylinders. After really working on one with CLP, cold air, I was able to knock one out from the back, using a soft brass rod and a gunsmith hammer.

    Should all four of these cylinders have bushings? Both on the 45 colt and the 45 ACP cylinders? What's the best advisable way to get them out?

    Thanks!
     
  2. Willie Sutton

    Willie Sutton Senior Member

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    Having a few of these and never having removed the bushings...

    I guess the operative question is "why do you feel the need?"


    Willie

    .
     
  3. mikechandler

    mikechandler New Member

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    The bushings should be removed and cleaned. The cylinder should rotate on the bushing, not the base pin. Just like a real Colt SAA. If you've shot BP you really don't want to leave it in that gap - it will not only jam your bushing, it will slowly erode your cylinders center hole.
     
  4. Kp321

    Kp321 Member

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    You need a more agressive penetrant than CLP. If you can find some Kano Kroil, it is the best over the counter penetrating oil there is. A home brewed concoction that gets good reviews is automatic transmission fluid (ATF) and acetone, half and half I think. Whatever you use, apply often and give it time, might take a week to do the job.
     
  5. mikechandler

    mikechandler New Member

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    Hey KP, that did the job. They're all popped out. Thanks for the tip!
     
  6. Kp321

    Kp321 Member

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    Glad it worked for you. Did you use Kano or ATF/acetone? I have lots of Kano so have never tried the other concoction.
     
  7. Jim K

    Jim K Senior Member

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    "The cylinder should rotate on the bushing, not the base pin."

    The only reason for the bushing is so it can be fitted without taking a chance on ruining an expensive cylinder. Strictly a manufacturing technique; any fancied advantage otherwise is just that, fancied.

    Jim
     
  8. rcmodel

    rcmodel Member in memoriam

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    + 1

    I do not agree either.
    The cylinder should Not rotate on the bushing at all.

    The only reason they used a removable bushing was so it could be easily replaced & refitted when it got beat into submission and end-shake became a problem.

    You do not want the cylinder rotating on the bushing, because that will eventually wear out the hole in the cylinder.

    Colt sold base pin bushings that were longer to take up end-shake.
    Not bigger around to fit a worn out cylinder bushing hole.

    They are supposed to be tight enough to 'prevent' the cylinder from turning on them.
    But loose enough they can be slipped out for cleaning or easy replacement.

    The cylinder & bushing is 'supposed' to rotate on the base pin.

    rc
     
    Last edited: Aug 6, 2014
  9. mikechandler

    mikechandler New Member

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    I used the concoction, I had ATF and acetone in my garage.

    "They are supposed to be tight enough to 'prevent' the cylinder from turning on them.
    But loose enough they can be slipped out for cleaning or easy replacement."

    As for the function of the cylinder bushing, I guess I do not know why or how it works or what it's supposed to do... having heard many fancified reasons myself... but I do know for certain that it needs to be cleaned.
     
  10. Jim K

    Jim K Senior Member

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    "it needs to be cleaned"

    Not really, any more than a hole without a bushing, like the Remingtons. I have seen enough bushings almost "welded in" by rust and time to know that the old timers rarely if ever removed them for cleaning, or even knew that they were there. The guns still worked fine.

    Jim
     
  11. mikechandler

    mikechandler New Member

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    Sounds good Jim. You do what works for you.

    As for me concerning black powder, I'll be cleaning the cylinder bushings.

    Thanks a bunch.

    :p
     
  12. Jim K

    Jim K Senior Member

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    Just remember that not all Colt SAA's and clones have bushings, so best not to use a lot of force on the ones that don't. :eek:

    Jim
     
  13. mikechandler

    mikechandler New Member

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    Just a little bit o follow up:

    I did get them out with a brass rod and some very light tapping. Then I cleaned them.. there was some rust unfortunately. Everything's good now, and they are a slip fit. I got help from the SASS wire, where the consensus from the cowboy action shooting crowd was you'd better be cleaning them every day you shoot if you're shooting BP.

    Both guns function flawless now, and I can shoot BP all day without the cylinders gumming up. Life is good, lovin' these guns!

    :)
     

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