From: Jonathan Walley (email suppressed)
Date: Tue Feb 03 2009 - 14:00:35 PST
David,
Thanks so much for the detailed advice. All best,
Jonathan
Jonathan Walley
Assistant Professor
Department of Cinema
Denison University
Granville, Ohio
email suppressed
On Feb 3, 2009, at 11:19 AM, David Tetzlaff wrote:
>> Could you be more specific about re-building the shaft? For
>> instance, how many
>> layers of heat shrink tubing are necessary? What exactly is the
>> process?
>
> Take the lens out. There may be a screw holding it in at the back of
> the barrel. Get the focus knob out of the lens housing (I can't
> rememeber if the release is a screw or a button on the bottom of the
> housing...). Remove all residue from the end of the knob, and
> thoroughly clean the hole in the housing where the knob goes (you
> may have to take the housing off the projector...).
>
> Heat shrink tubing doesn't shrink that much. I fixed our Eiki by
> using three or four layers, and that meant three or four diameters.
> I used an inexpensive kit of wider gauge tubing from Harbor Freight
> tools.
> http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=96024
> You can get this online, or they have a retail stores, including one
> in east Columbus. So first I cut a small section of the narrowest
> white tubing to fit the business end of the shaft. I used kitchen
> matches as a heat source to shrink the tubing, moving the match up
> toward the tube so it would start shrinking but not so close it
> would burn. Then, the next wider size in the kit is red and finally
> black. I think if you can get more than one layer with any of the
> sizes you should, but when the tubing doesn't stretch out, so once
> what you're trying to put it over gets to a certain diameter you
> can't get it on, and you have to go up to the next size. It's been
> awhile, so i don't remember exactly how many layers I wound up with
> or what the exact composition of white red and black was.
>
> Trim the far end of the layered tubing with an X-Acto knife if
> necessary, so the knob goes back into the housing readily and turns
> properly. (It's hard to cut the little pieces of tubing to exactly
> the right length before you put them on the shaft.)
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