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Thread: Knobs on Seal Drymount Press

  1. #1

    Join Date
    Dec 1999
    Location
    Forest Grove, Ore.
    Posts
    4,675

    Knobs on Seal Drymount Press

    I just picked up a Seal 500T dry mount press for a couple hundred dollars, and I have a question about the knobs on top and how they should be adjusted.

    The knob(s) in question can be seen in the second photo. The larger, "doughnut" knob around the outside isnt' tight and can be easily turned on both the left and right. (See first photo.) How should they adjusted?

    Also, is there a knob in the center of the doughnut that's adjustable? If so, what criteria would I use to adjust it?

    What luck. I just happened to be looking through Craigslist, when I ran across this press. One can do 16x20 prints on the Seal Commercial 200 that I will sell, by overlapping. But given the 500T's 24"x36" platen size, it can all be done in one cycle.
    Attached Thumbnails Attached Thumbnails 500TOverall.jpg   Seal500T_Knob.jpg  

  2. #2

    Join Date
    Sep 2014
    Location
    North Dakota
    Posts
    1,327

    Re: Knobs on Seal Drymount Press

    The outer knob is turned to lock the inner knob. The inner knob is turned to raise or lower the platen from the top to increase or decrease the pressure on the mat board/print/mounting material 'sandwich' in the press.

    Loosen the outer knob, turn the inner knob til the platen is where you want it and tighten the outer knob to hold it at that setting.

    Might need some trial and error to get it where you want.

    Really helps if the pad in the press is a new one as after some years of use you end up with it flattened or compressed in areas the size of the material you normally put in the press.

  3. #3

    Join Date
    Feb 2001
    Location
    Greenbank, WA
    Posts
    2,605

    Re: Knobs on Seal Drymount Press

    The outer one (might have an allen screw in the side) locks the adjustment on the shaft. I got a good deal on a similar model and it was very out of adjustment. I download the manual on line, followed the instructions, and now it works fine.

  4. #4
    Photographer
    Join Date
    Feb 2001
    Location
    Pine Junction, CO
    Posts
    992

    Re: Knobs on Seal Drymount Press

    You might follow JB's suggestions: http://www.jbhphoto.com/articles/adj...y-mount-press/
    Keith Pitman

  5. #5

    Join Date
    Sep 2008
    Posts
    53

    Re: Knobs on Seal Drymount Press

    Chris Pashke has a wonderful resource section on her website http://www.designsinkart.com/. In the "Library" section of the site, click on "Articles by Subject" and find the "Press Adjustments, February 2014 PDF".

    It's frustrating that you can't link directly to that information, but the information is well worth searching out. I find her instructions clear, and also advocate using shims depending on the material you are mounting to. The less I have to fiddle with the knobs, the better.

    I don't have my press in front of me, but if I remember correctly, you want to loosen the locking nuts with the press in a closed but not clamped position. It is difficult to do with the press open.

  6. #6

    Join Date
    Jul 2007
    Location
    near Seattle, WA
    Posts
    956

    Re: Knobs on Seal Drymount Press

    Quote Originally Posted by neil poulsen View Post
    ...One can do 16x20 prints on the Seal Commercial 200 that I will sell, by overlapping...
    Neil, I have the 200 (18x23 platen) that I bought new in the late '60s; I've been mounting 16x20 prints in a single pass ever since. Yes, the mount board (22x28) sticks out around platen but the prints have adhered just fine. Not sure why you need to do it in passes.

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