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Thread: Lubricating movements on MPP Micro Technical mkVIII

  1. #1

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    Lubricating movements on MPP Micro Technical mkVIII

    Sorry if this should be in DIY - I wasn't sure as it isn't a home made camera.

    Received my MPP mkVIII the other day and gave it the once over. She's a beaut. Some movements are stiffer than others. I have given them a clean with lighter fluid - should I be considering a very small micro-drop of lube anywhere, and if so, what kind? I have repaired sticky parts on 35mm cameras before with a tiny micro dot of silicone dry lube before, but I have read so much conflicting advice on this.

    One particularly stiff bugger is the two sprung finger / thumb buttons that you press to release the mechanism to slide the front standard along the rails. Presumably the standard needs removing to do that - does it just come off the end of the rail?

    Thanks

  2. #2
    Tin Can's Avatar
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    Re: Lubricating movements on MPP Micro Technical mkVIII

    Don't use dry Teflon or wet Teflon

    Now somebody will reply
    Tin Can

  3. #3

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    Re: Lubricating movements on MPP Micro Technical mkVIII

    Is it the 'stiffness' of the two thumb levers(see photo) that is the issue or sliding the standard along the bed?

    Click image for larger version. 

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    Bear in mind that the two levers have to overcome the strong springs that 'lock' the standard to the track rails and therefore need a bit of effort to do this.

  4. #4

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    Re: Lubricating movements on MPP Micro Technical mkVIII

    Quote Originally Posted by Yorkie View Post
    Is it the 'stiffness' of the two thumb levers(see photo) that is the issue or sliding the standard along the bed?

    Click image for larger version. 

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    Bear in mind that the two levers have to overcome the strong springs that 'lock' the standard to the track rails and therefore need a bit of effort to do this.
    Stiffness of the levers, but they are particularly stiff compared to my friend's mkvi

  5. #5

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    Re: Lubricating movements on MPP Micro Technical mkVIII

    Ok, to get at the lever pivot points:
    Click image for larger version. 

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    Drop the bed to it's normal position then press the release levers again to lower the bed to it's full dropped position shown above.

    Click image for larger version. 

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    Squeeze the Standard release levers (you know - the stiff ones ) and ease the front Standard off the rear rails.

    Click image for larger version. 

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    Tilt the Standard backwards to reveal the lever mechanism

    Lubricate the pivot points in your preferred manner and when satisfied reassemble the camera by reversing these instructions.

    WARNING: Whenever you open/close and/or fully drop the bed, please be aware of the two curved track links that connect the front rails with the back rails in the camera body. Damage to these links will cause all sorts of problems, not the least of which will prevent you closing the camera.

    Hope this helps.

    Please excuse the quality of my phone camera shots.

  6. #6

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    Re: Lubricating movements on MPP Micro Technical mkVIII

    Quote Originally Posted by Yorkie View Post
    Hope this helps.

    Please excuse the quality of my phone camera shots.
    That is a tremendous help, thanks Yorkie! You know, the release points are in a badly designed place on my mkviii. Instead of being front and centre they are right at the side - I end up catching the cam release wheel when pulling out the standard! Plus they are just more awkward to get to.

    Thanks again for the really helpful answer and photos.

  7. #7

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    Re: Lubricating movements on MPP Micro Technical mkVIII

    Quote Originally Posted by RobG View Post
    That is a tremendous help, thanks Yorkie! You know, the release points are in a badly designed place on my mkviii. Instead of being front and centre they are right at the side - I end up catching the cam release wheel when pulling out the standard! Plus they are just more awkward to get to.

    Thanks again for the really helpful answer and photos.
    In the interests of thread continuity these are similar images from my MkVII camera which does have the side release levers.

    Click image for larger version. 

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    Stowed position

    Click image for larger version. 

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    Standard moved off track as described earlier in this post.

    Click image for larger version. 

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  8. #8

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    Re: Lubricating movements on MPP Micro Technical mkVIII

    Yorkie, again, my heartfelt thanks for going to the trouble of showing me this. Many times I have had to repair cameras "blind", not knowing what to expect, and of course, a tiny spring or screw goes flying across the room. This gives me the information and confidence I need to undertake this simple bit of maintenance. Thank you my friend.

    Do you find the side levers on the mkvii badly placed in relation to the rangefinder cam release wheel?

  9. #9

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    Re: Lubricating movements on MPP Micro Technical mkVIII

    You're very welcome, glad to be of help. It can be a bit fiddly but I guess that's why the designed changed to the front levers, much easier.

  10. #10
    Nicholas O. Lindan
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    Re: Lubricating movements on MPP Micro Technical mkVIII

    Quote Originally Posted by RobG View Post
    ...of course, a tiny spring or screw goes flying across the room.
    I always work on a large fluffy white towel - it catches most sproings. For the stuff that lands on the floor I use a neodymium magnet in a plastic bag and sweep. And, of course, the part lost on the floor is made from brass... Maybe I'll buy another big towel and put it on the floor. Luckily springs are almost always magnetic.

    As to lubricant - it is a religious topic. People will jump up and down vociferously supporting their choice. Like religion, use whatever feels best to you - whatever you pick it won't kill the camera. Some suggestions: Mineral oil, turbine oil, gun oil (pretty much these three are the same, listed in order of increasing price), high vacuum grease. I've recently become enamored of Mobil 1 synthetic grease. Stay away from 'penetrating oil' - WD40, 3in1 etc. as they gum up with age and you will just have to clean it off with lighter fluid.
    Darkroom Automation / Cleveland Engineering Design, LLC
    f-Stop Timers & Enlarging meters http://www.darkroomautomation.com/da-main.htm

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