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  1. #11
    Mainecoonmaniac's Avatar
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    Hey Good luck! Hope you have a vibration free head. I was concerned years ago. I did a test with high magnification enlargement and a grain focuser. It seems that the grains didn't jiggle nor wobble. My enlarger head is good enough for government work The instructions are excellent and I might muster up enough courage to take change out the fan. The Dichro 45S is a good head that served me well for decades. I had to change out the optio isolator because there was a slight delay after pushing my timer button.

  2. #12
    jcoldslabs's Avatar
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    Here's a mod for that same 45S head that uses a remote venting fan to dampen vibration:

    http://www.philipmorgan.net/external-enlarger-cooling/

    Jonathan

  3. #13
    David Brown's Avatar
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    Quote Originally Posted by RichardH View Post
    It has a little vibration that I can feel when it runs.
    Can you see it in your prints?

  4. #14

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    Quote Originally Posted by David Brown View Post
    Can you see it in your prints?
    Hey David
    My eyes are not what they used to be but I can't see any softness or anything wrong in the print. I just happen to feel the neg. carrier and it has a vibration. It won't get any better, so I figured it was time to repair before it gets any worse. From what I gathered when I bought it used, it was used in a university darkroom and I am sure it has seen a lot of useage.
    I am not very critical of what I print but I want to feel I am making the best image of what I am printing.
    I have downsized to strictly 35mm now and when I blow up those small negatives, I want it to be sharp and clear.
    While I rework the head, I have a 23cll that I am going to use. It has also started to show a pause in the lamp start circuit and I am now looking at the opto isolaters to replace. Haven't had much luck in finding the components yet since I can't find a schematic but the part number is still showing and maybe I can find a substitute for them.

    It seems like the older I get the more " fix and repair " things happen. I am retired so I have plenty of time to play.

    Richard

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