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Author Topic: Pro 35 Scratching
Rod Cornelison
Film Handler

Posts: 13
From: Jonesboro,AR./ Craighead ,USA
Registered: Mar 2009


 - posted 06-26-2009 12:15 PM      Profile for Rod Cornelison   Email Rod Cornelison   Send New Private Message       Edit/Delete Post 
Hey guys,

We just bought a 4plex in a mall to add to our collection of theatres. We have their Pro 35's and a couple of the prints have developped scratching on the emulsion side of the print. It's at the same spot on every frame so I'm thinking it has to be something in the main gate/intermittent area. either that or possible operator error (making loops too big maybe?)

I attached a image of what the scratches look like.

All help is GREATLY appreciated,

 -

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Gordon McLeod
Film God

Posts: 9532
From: Toronto Ontario Canada
Registered: Jun 99


 - posted 06-26-2009 12:24 PM      Profile for Gordon McLeod   Email Gordon McLeod   Send New Private Message       Edit/Delete Post 
lower loop hitting the stripper plate on the intermitent or the large roller that absorbs the beating of the lower loop
usually pro35 scratches are from loop size issues

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Rod Cornelison
Film Handler

Posts: 13
From: Jonesboro,AR./ Craighead ,USA
Registered: Mar 2009


 - posted 06-26-2009 01:28 PM      Profile for Rod Cornelison   Email Rod Cornelison   Send New Private Message       Edit/Delete Post 
That's what I was leaning towards. I thoroughly went over each one and looked for burs or anything that might scratch the emulsion side. I've told my booth operators to make sure their loops aren't very big. I guess I'll have to tell them again.

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Chris Slycord
Film God

Posts: 2986
From: 퍼항시, 경상푹도, South Korea
Registered: Mar 2007


 - posted 06-26-2009 01:34 PM      Profile for Chris Slycord   Email Chris Slycord   Send New Private Message       Edit/Delete Post 
Or instead of telling them, show up at random and check their loops.

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Darryl Spicer
Film God

Posts: 3250
From: Lexington, KY, USA
Registered: Dec 2000


 - posted 06-26-2009 02:58 PM      Profile for Darryl Spicer     Send New Private Message       Edit/Delete Post 
Check beat roller below the intermittent sprocket. Look for signs of wear caused by the film. Replace the roller. I have seen scratching issues caused by this roller.

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Tony Bandiera Jr
Film God

Posts: 3067
From: Moreland Idaho
Registered: Apr 2004


 - posted 06-26-2009 03:05 PM      Profile for Tony Bandiera Jr   Email Tony Bandiera Jr   Send New Private Message       Edit/Delete Post 
I second Chris' reply, you need to drop in unannounced and check up on your operators to make sure they're threading correctly. Experience has shown me that they'll do it right every time as long as you're hanging around, but after you leave they'll go back to their own habits.

Give repeat offenders two chances to snap in, or else they're fired. And stick to it.

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Louis Bornwasser
Film God

Posts: 4441
From: prospect ky usa
Registered: Mar 2005


 - posted 06-26-2009 03:26 PM      Profile for Louis Bornwasser   Author's Homepage   Email Louis Bornwasser   Send New Private Message       Edit/Delete Post 
Telling is just that.

Inspect and verify! Louis

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 06-26-2009 03:40 PM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
quote: Darryl Spicer
Replace the roller.
Screw that... replace the projector! They should have never been allowed to place Pro in front of the 35!!!

Mark

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Gordon McLeod
Film God

Posts: 9532
From: Toronto Ontario Canada
Registered: Jun 99


 - posted 06-26-2009 07:57 PM      Profile for Gordon McLeod   Email Gordon McLeod   Send New Private Message       Edit/Delete Post 
Common on mark they could have had those wonderfull chineese machines instead :
Overall the Pro35 was a decent machine I still have enough of them running with next to no issues

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Chris Slycord
Film God

Posts: 2986
From: 퍼항시, 경상푹도, South Korea
Registered: Mar 2007


 - posted 06-26-2009 08:06 PM      Profile for Chris Slycord   Email Chris Slycord   Send New Private Message       Edit/Delete Post 
And keeping track of who did the scratches is obviously a good thing.

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Michael Hossen
Expert Film Handler

Posts: 136
From: Perth, Australia
Registered: Apr 2007


 - posted 06-26-2009 08:11 PM      Profile for Michael Hossen   Author's Homepage   Email Michael Hossen   Send New Private Message       Edit/Delete Post 
Yeah, come on Mark. We've been running Pro35's for at least the last 15 years and they've been great.

I've never had any issues with scratching prints, but I would say it's associated with the bottom loop being considerably too large.

Check your operators when they aren't expecting you to come in.

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 06-27-2009 08:31 AM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
quote: Michael Hossen
We've been running Pro35's for at least the last 15 years and they've been great.

Sure, as long as you never or very rarely use the framer... But then why bother to have a framer... too many weak spots in that machine. Especially the intermieetn!!

Mark

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Michael Hossen
Expert Film Handler

Posts: 136
From: Perth, Australia
Registered: Apr 2007


 - posted 06-27-2009 10:03 AM      Profile for Michael Hossen   Author's Homepage   Email Michael Hossen   Send New Private Message       Edit/Delete Post 
In my 3+ years working with the machines I think I have only ever used the framing knob once or twice, and that's when someone else made a mistake and cut a trailer out of frame.

We train our operators so that they never thread out of frame, and they don't, but for the few occasions that we've needed to use the framing adjustment, it's been ok. I know the framing mechanism is a downfall of the machine, but I still think they're pretty decent.

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 06-27-2009 11:50 AM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
I'm glad they have been good for you but wait till you have a major film pileup... happens to everyone sooner or later... Thats when the Star Wheel radius gets bent [Eek!] . Costs more to buy the parts to repair it than the whole projector is worth... Thankfully, I can claim to having removed more Pro(?)35's from service then I have ever installed. I can't think of one that I still am servicing in fact. Also many parts have been discontinued by Ballantyne... wait till you need an important gate piece.

Mark

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Louis Bornwasser
Film God

Posts: 4441
From: prospect ky usa
Registered: Mar 2005


 - posted 06-27-2009 02:34 PM      Profile for Louis Bornwasser   Author's Homepage   Email Louis Bornwasser   Send New Private Message       Edit/Delete Post 
Mark: I agree. Their time has passed. How do you know? Even Strong has discontinued making them and several key parts. Really good equipment is commonly available due to the Digital influx. (Simplex/Century)

On the other hand, it WAS an imperfect copy of an FP-35, which Ballantyne once distributed. Louis

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