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Thread: Grafmatic lubrication.

  1. #1

    Join Date
    Sep 2003
    Location
    AU
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    175

    Grafmatic lubrication.

    I have several grafmatics most of which are a bit grindy when operated. They work well and the septum's are flat. It's just the aluminium that is pretty well rubbed. So apart from flattening out the backs what other overhaul procedures should one pursue along with easing the grind with some form of lubricant. silicon? spray Teflon? Ideas.
    Avoiding danger is no safer in the long run than outright exposure... Life is either daring adventure or nothing: Helen Keller.

  2. #2

    Join Date
    Apr 2007
    Location
    Finland
    Posts
    76

    Re: Grafmatic lubrication.

    Anything liquid is out of the question. Consider plain graphite, but only in tiny amounts to avoid graphite dust inside the septums.

  3. #3

    Re: Grafmatic lubrication.

    A greaseless bicycle chain lubricant, like Ice Wax, works great

  4. #4

    Re: Grafmatic lubrication.

    I use a light spray of teflon in mine. Make sure that you use it sparingly and only where there's friction, nowhere else.
    Then, just leave to dry for a day or so and you'll be fine.

    Also, check this thread about this very same subject: http://www.largeformatphotography.in...ead.php?t=9041

    //Björn

  5. #5

    Join Date
    Jan 2001
    Posts
    4,590

    Re: Grafmatic lubrication.

    A touch of (American) paraffin wax. (Not English paraffin -- that's what Americans call Kerosene.)
    Wilhelm (Sarasota)

  6. #6

    Join Date
    May 2006
    Posts
    27

    Re: Grafmatic lubrication.

    Wipe/rub contact areas with wax paper.

  7. #7
    Maris Rusis's Avatar
    Join Date
    May 2006
    Location
    Noosa, Australia.
    Posts
    1,076

    Re: Grafmatic lubrication.

    For years I have run several 4x5 Grafmatics and use a lube sequence that sounds extreme but works (so far, fingers crossed) without fail.

    The entire Grafmatic is sprayed, inside and out, with RP-7 or WD-40 or some other light lubricant to the point of saturation. After several hours of draining excess oil the parts of the Grafmatic that my fingers touch are cleaned. The parts that the film touches are cleaned too.

    Everything else is left as greasy and sticky as possible. This ensures lubrication for the moving parts. In addition the oily surfaces catch and keep any internal dust generated by the film changing mechanism.
    Photography:first utterance. Sir John Herschel, 14 March 1839 at the Royal Society. "...Photography or the application of the Chemical rays of light to the purpose of pictorial representation,..".

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