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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Horizontal Movement On Strong Millennium (Page 4)

 
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Author Topic: Horizontal Movement On Strong Millennium
Tony Bandiera Jr
Film God

Posts: 3067
From: Moreland Idaho
Registered: Apr 2004


 - posted 02-09-2009 01:34 AM      Profile for Tony Bandiera Jr   Email Tony Bandiera Jr   Send New Private Message       Edit/Delete Post 
Monte

You're right about how easy it is to bust those shutter blades..but I was able to very carefully bend one back into place by heating it up (again carefully) with a propane torch. (Hank Hill would've been proud.)

But it is always better to replace them..but beware that in short throw applications that the cutouts in the blades may not be cut deep enough,,there should be no more that about 2-3mm of a "lip" at the hub. So far all the new blades from our friends at Strong haven't been cut deep enough.

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Eric Robinson
Jedi Master Film Handler

Posts: 538
From: Santa Rosa, CA
Registered: Jan 2005


 - posted 02-11-2009 03:07 PM      Profile for Eric Robinson   Email Eric Robinson   Send New Private Message       Edit/Delete Post 
I just got a chance to look at this again. I ran the motor with no film and noted significant turret vibration. After I turned the motor off I noticed the turret still had vibration. I then proceeded to shut off each fan. The exhaust fan mounted on the top for this Highlight II was the culprit. I tried running some test film with and without the exhaust fan running and the horizontal shake disappeared when the fan was off. Time to order new parts [Roll Eyes]

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Monte L Fullmer
Film God

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


 - posted 02-11-2009 08:29 PM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
.or clean the blower wheel. You can also take it apart, take the wheel off the motor and see if you can rebalance it.

Been there a few times....

BUT, if the motor - being a shaded pole with tired OILITE bearings(gag! ..have you been oiling these bearings, or is the motor completely sealed?) and an out of balance blower wheel can be the effect of the vibration. Then it's definitely time to replace .. the motor..

Bit easier than ordering parts... - Monte

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Ken Lackner
Phenomenal Film Handler

Posts: 1907
From: Atlanta, GA, USA
Registered: Sep 2001


 - posted 03-09-2009 10:31 AM      Profile for Ken Lackner   Email Ken Lackner   Send New Private Message       Edit/Delete Post 
quote:
And the hideous cast framing handle on the PR-1014's, etc...that was brought about as they had changed the sealing on the framing knob shaft...making it very hard to turn.
quote: Steve Guttag
The extra friction on the framing came from when they sealed up the INTERMITTENT CAM to the frame...that red O-ring...not the framing shaft itself.
What makes it much harder to adjust the framing on some projectors compared to others of the same vintage? I'm talking ridiculously hard, even with the t-handle.

[ 03-09-2009, 12:25 PM: Message edited by: Ken Lackner ]

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Monte L Fullmer
Film God

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


 - posted 03-09-2009 02:32 PM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
Prob why they went to the "T" handle - to give you better leverage to rotate that shaft instead of just the knob.

-Monte

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Ken Lackner
Phenomenal Film Handler

Posts: 1907
From: Atlanta, GA, USA
Registered: Sep 2001


 - posted 03-09-2009 05:16 PM      Profile for Ken Lackner   Email Ken Lackner   Send New Private Message       Edit/Delete Post 
I realize that. What I'm asking is why some projectors are harder to turn than others. All the projectors in question are of the same model (Millennium), same vintage, all with t-handles. If they have the t-handle, they should be pretty easy to rotate the framing shaft, but I have a couple that are a bit harder, and I'm trying to figure out why.

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Monte L Fullmer
Film God

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


 - posted 03-09-2009 09:44 PM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
Wonder if you could adjust (or shim) those two springs that holds the framing cam assembly in place so the assembly can rotate a bit easier ... but not too easier to where the film tension wants to roll the assembly on its own and you'll be fighting framing all the time.

-Monte

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