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Topic: Simplex E7 Shutter Shaft Question

Bill Duelly
Film Handler

Posts: 92
From: Roselle Park, NJ
Registered: Feb 2006

posted 04-12-2009 06:19 PM

I am working on restoring an E7 head and the
shutter shaft is somewhat stiff & difficult to turn
(feels like a spring tension restricting the turning).
I've come accross this before with these heads and had the luxory of tossing the ones that were bad, but alas I have just this one. I've taken these heads apart and put them back together but I've never opened this shaft assembly, as the spring tension in there is rather strong. I'm sure some of you have opened this before and I just wanted a heads up as to what is usually the cause of problems in there. I have the parts diagrams so I would know what to order. Thank you in advance.

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Monte L Fullmer
Film God

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

posted 04-12-2009 06:47 PM

Have you gone through the three bearings, esp the big front shutter bearing..?

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Bill Duelly
Film Handler

Posts: 92
From: Roselle Park, NJ
Registered: Feb 2006

posted 04-12-2009 07:46 PM

That one seems ok. It's definately in the enclosed assembly.

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Louis Bornwasser
Film God

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

posted 04-12-2009 08:03 PM

Bill; no one makes any E7 parts anymore. Bearings, however, are available anywhere. Louis

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Tony L. Hernandez
Expert Film Handler

Posts: 158
From: Windsor, CO, USA
Registered: Dec 2005

posted 04-16-2009 05:05 AM

Alas,I had a whole chest of E-7 parts that I donated to a historic, non-profit theater I project for that still uses the E-7s. As Louis said, the E-7 parts are no longer available so although I would be reluctant to part with any of them (no pun intended), if you get in a pinch and need one or two parts, let me know and I'll see what I can do...

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Tony Bandiera Jr
Film God

Posts: 3067
From: Moreland Idaho
Registered: Apr 2004

posted 04-16-2009 02:03 PM

I think I still have the main bevel gear and one of the bronze shutter drive gears in my parts stock...

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Dave Macaulay
Film God

Posts: 2321
From: Toronto, Canada
Registered: Apr 2001

posted 04-18-2009 03:13 PM

We have a few E7 parts, but not a huge inventory by any means.
Curious, I looked at the shutter compensator/fire shutter governor drawing in the parts book. I can't even guess how it works from that, but it sure has a pile of parts! I don't have one to look at - it would likely make sense pretty quickly. I do service a pair of them here in Toronto (just fill the oil tank and change the soundhead oil every year or so, really) and if one of them breaks it's headed for the scrapheap.

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Bill Duelly
Film Handler

Posts: 92
From: Roselle Park, NJ
Registered: Feb 2006

posted 04-22-2009 06:51 AM

THanks all. I opened it up and the culprit was rust and it's partner in grime... grime. A good cleaning, light sanding and all appears to be fine now.

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