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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Cleaning Aperture Plates

   
Author Topic: Cleaning Aperture Plates
Zack Strickland
Film Handler

Posts: 23
From: Dallas, GA, USA
Registered: Nov 2009


 - posted 09-28-2010 05:06 PM      Profile for Zack Strickland   Email Zack Strickland   Send New Private Message       Edit/Delete Post 
We have strong simplex 35 projector mechanisms and the manual speaks of cleaning them, but not of how to clean the aperture plate itself. They look to be bronze or brass. Jedi of the theater industry, please help!!!javascript:void(0)

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Tony Bandiera Jr
Film God

Posts: 3067
From: Moreland Idaho
Registered: Apr 2004


 - posted 09-28-2010 05:19 PM      Profile for Tony Bandiera Jr   Email Tony Bandiera Jr   Send New Private Message       Edit/Delete Post 
A simple wiping with lint-free cloth or light brushing is all they should ever need.

If you have dirt stuck in the corners a good trick is to use sticky-side-out tape to lift away any crud stuck to the edges of the plate.

DO NOT ever use any chemicals of any kind on them (there's no need to.)

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Joe Redifer
You need a beating today

Posts: 12859
From: Denver, Colorado
Registered: May 99


 - posted 09-28-2010 06:34 PM      Profile for Joe Redifer   Author's Homepage   Email Joe Redifer   Send New Private Message       Edit/Delete Post 
Be careful of using rags as that is how you get "hairs" stuck in the aperture onscreen. Not sure why you'd need to clean the actual aperture, though.

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Monte L Fullmer
Film God

Posts: 8367
From: Nampa, Idaho, USA
Registered: Nov 2004


 - posted 09-28-2010 08:16 PM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
While the trap and gate is open before threading, take a "Q-tip" either dry or soaked in lens cleaner and wipe out the aperture plate opening..

...or, you can use your finger....

-Monte

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Zack Strickland
Film Handler

Posts: 23
From: Dallas, GA, USA
Registered: Nov 2009


 - posted 09-28-2010 08:32 PM      Profile for Zack Strickland   Email Zack Strickland   Send New Private Message       Edit/Delete Post 
here are some pics of what i mean....note the black crud i'm trying to get off.

trying to href images from my website and facebook and it won't let me...help me with this first

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Monte L Fullmer
Film God

Posts: 8367
From: Nampa, Idaho, USA
Registered: Nov 2004


 - posted 09-28-2010 09:21 PM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
you have to read the VFAQ on how to do uploading picts, but have to make sure that it's under 500 pixel size to do the upload. Otherwise, you'll have to get a pix editor to do the resize.

This site has more stricter rules with uploads than with other forum sites out there...and don't shove them in a website (like photobucket or similar, then paste the link in your post, for that's against the rules in the VFAQ.

But coming on your description of the black crud, I've taken "Simple Green" or similar and scrubbed them down to remove that crud. And if it's actually burnt on, that's a knife blade to scrape that stuff off.

-Monte

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Joe Redifer
You need a beating today

Posts: 12859
From: Denver, Colorado
Registered: May 99


 - posted 09-28-2010 11:32 PM      Profile for Joe Redifer   Author's Homepage   Email Joe Redifer   Send New Private Message       Edit/Delete Post 
When you go to make a post, you'll see a link that says "Click here to upload an image" next to the Preview Pot button. Click it. Follow those guidelines and your images will appear.

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