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Bell and Howell filmosound TQI

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#1 Paul Cox

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Posted 19 November 2014 - 10:35 AM

Hey, I am using for the first time a Bell and Howell filmosound TQI and a small perforated metal disc has dropped in front of the lamp. It is on a spring and will not stay out of the way of the projection. What is its purpose and how may I retract it so it stays out of the way. Also a creamy fluid has arrived around the area oil maybe, is this significant.
Can anyone helpimage.jpg
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#2 Jean-Louis Seguin

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Posted 19 November 2014 - 11:08 AM

The perforated disk is a heat shield and usually only comes down in the light path on still frame. At regular running speeds, it should not be in the way.

 

Jean-Louis


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#3 Paul Cox

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Posted 19 November 2014 - 05:49 PM

Thanks so much for your help, it's helped me understand how the projector works. I have moved the lever to run which moves the heat shield out of the way. I live and learn.
Thanks again
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#4 Mark Dunn

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Posted 20 November 2014 - 05:55 AM

I wonder if what you're seeing is a smear of grease on the moving parts. If so you could replenish it, sparingly, and wipe it off where it's not supposed to be. Presumably it can get runny with the heat.

I probably wouldn't bother unless I were to do a lot of projection.


Edited by Mark Dunn, 20 November 2014 - 05:56 AM.

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#5 Paul Cox

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Posted 20 November 2014 - 01:50 PM

I worked out that I was running the projector with the heat shield in position. My old bell and howell did not have this feature. I have still to work out its use. It definitely overheated causing as you suggest the grease to run which I have cleaned up.
Thankfully I have run the projector successfully for a few hours now while I transfer my old 16mm movie to my digital camera.
All is well.
Thanks
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