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This topic comprises 2 pages: 1 2
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Author
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Topic: Anhydrous Alchohol for cleaning
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Steven Jantzen
Film Handler
Posts: 30
From: goodwell, Oklahoma, USA
Registered: Jul 2004
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posted 07-28-2004 03:17 PM
about critisizing cleaning practices
in my booth it is common practice to mix 5 oz of film gaurd with one bottle of 91% alcohol. take the gate off, lay some paper towels on the floor, and just douse the entire projector from the top down. as mentioned before, it does make the projectors extremely clean, and when the alcohol evaporates, film gaurd is left behind for a film freindly environment. I never thought that alcohol would attack certain parts, because i've not seen any detrimental effects whatsoever.
About the everclear, i tend to agree, it has no place in the work place. The possibility of abuse and misuse is just too high. If you have any ideas on other ways to clean the projectors without alcohol, or have had any problems with using it, please let me know.
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Randy Stankey
Film God
Posts: 6539
From: Erie, Pennsylvania
Registered: Jun 99
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posted 07-29-2004 10:18 AM
I have to agree that if you are spraying ANYTHING into your projectors you are doing it wrong!
I use FG in my booth. Like Dan said, cleaning is a breeze. Every show we use a clean rag to wipe out the film compartment(s) then we are done. Every so often (about once a week) we to a "Take-Apart Cleaning" where the trap and shoe get removed so that we can clean out the nooks and crannies. After that, the shutter guard is removed every couple of months to dust out the area behind the film plane. Other than that, my students don't ever do anything more than wipe off the outside of the projector housing with a cloth and some dusting spray. (Endust, etc.) Any other cleaning (besides lenses) is reserved for the times when I, myself, do maintainence and upkeep on the machine.
In principle, I agree with Steve but if you are keeping your machine(s) clean in the first place, you will use so little alcohol to clean your projector that it makes a difference only if you are cleaning critical parts. (Like lenses, as mentioned above.) In the few times that alcohol IS used, the amount is what you get from dunking a Q-Tip (or specially made cleaning swab) into a cup of liquid. Once the part in question (film band, etc.) is clean, the other (dry) end of the swab might be used to remove any residue or water left on the part.
The great bulk of alcohol that gets used in my booth is for keeping the window(s) clean. (Windex first. Then alcohol and plenty of elbow grease.) Even then, a bottle of alcohol lasts plenty long time. In my single booth, I buy one or two bottles per year. If you run a commercial operation with 10+ machines, I can't imagine why you would need more than one or two bottles per MONTH.
If you go through it much faster than that, you have an alcohol problem! ![[Big Grin]](biggrin.gif)
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Steven Jantzen
Film Handler
Posts: 30
From: goodwell, Oklahoma, USA
Registered: Jul 2004
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posted 07-29-2004 02:05 PM
that's interesting about the water. i haven't seen any problems from the bearings or anything else. yes, every night at close, we take a dry cloth and wipe the gate, trap, and shoe down, and kinda run a toothbrush over the sprokets. huh, to be honest, about once a month, i take the gate, trap, and gate latch assembly out to throughly clean everything from the shutter forward. Even then, i haven't seen any rust.
quote: Steve Guttag
So where does the water go when the alcohol evaporates?
after cleaning like this, we do use cans of air to help dry things off and get any loose debris out. I would think that would get rid of the water.
quote: Dan Lyons
What kind of projectors are you running?!?! I'm sure any sealed bearings and oil seals that are subjected to that practice are ruined. I'd bet your machines are in desperate need of a compleat rebuild from all that abuse.
I am running simplex XL, some with a turret, most with out.
quote: Dan Lyons
You really only need a clean rag to wipe any dust from the inside, and a toothbrush for the sprockets. If you have FG you never really need to clean at all.
We do run FG, not every show because we don't have that many cleaners. Any way, i still see film shavings on the inside? Could any one tell me what's up with that?
I'll be away from the forums for the next couple of days, but if you have any suggestions, please feel free to e-mail me at hillbillybob77@hotmail.com
Thanks for what you have given me so far.
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