8mm Forum: R-37 Projector Setup

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Topic: R-37 Projector Setup

Mike Koebel
Junior
Posts: 2
From: Chicago, IL, USA
Registered: Jun 2015

posted June 30, 2015 02:28 PM

Hi Everyone,

I recently purchased a Keystone R-37 projector at a garage sale in Chicago and am trying to set it up. I have never used an 8mm projector so please forgive my ignorance as I ask some basic setup questions.

The projector did not come with any belts so I ordered some off eBay that are supposed to be for this model of projector. However, I have not been able to find a manual or any other information online on where or how these belts (see picture) are supposed to attach. There are two rubber belts of varying size/thickness and two springs.

The projector does have an on/off switch but it does not seem to do anything. Instead, the projector can be turned on/off with a switch on the cord. I am assuming this cord switch was a later addition to the projector. The motor speed control appears to be working as expected.

The projector came with several old films so I would really like to get it working if I am able to get any guidance on how to do so. I really appreciate any advice that can provided.

Thank you in advance!

Mike

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Dominique De Bast
Film God

Posts: 4486
From: Brussels, Belgium
Registered: Jun 2013

posted June 30, 2015 02:49 PM

Hello Mike. First, welcome to this forum. I don't know this model, so what follows is valid in general. As you asked for the basic : did you open the projector (the body and the arms) ? By doing this, you should easily locate the position of the belts. It can happen that a set of belts referenced for a projector doesn't fit (don't ask me why !) or that for some projectors the belts are not easy at all to repleace but in general it is ok. Your projector seems to be older than the time the manufacturers decided to grease "once for ever" their machines so you may have to put some oil on it ; usually, there are red dods that tell you were putting a drop of (sewing machine) oil.

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Dominique

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Maurice Leakey
Film God

Posts: 5895
From: Bristol. United Kingdom
Registered: Oct 2007

posted June 30, 2015 03:03 PM

Mike
In general, rubber belts are used to drive the projector, i.e. from the motor to the mechanism.
Spring belts are for the drive from the mechanism to the two spool arms.
Often, the top spool belt can be altered to provide a film rewind back onto the feed spool.

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Maurice

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Barry Fritz
Phenomenal Film Handler

Posts: 1061
From: Burnsville, MN, USA
Registered: Dec 2009

posted June 30, 2015 06:30 PM

This is a different model Keystone, but the belt configuration should be the same. To rewind, the take-up belt is removed and the feed reel(top)is connected with a half twist to the belt.

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Barry Fritz
Phenomenal Film Handler

Posts: 1061
From: Burnsville, MN, USA
Registered: Dec 2009

posted July 04, 2015 08:45 PM

Any luck Mike?

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Barry Fritz
Phenomenal Film Handler

Posts: 1061
From: Burnsville, MN, USA
Registered: Dec 2009

posted July 10, 2015 03:59 PM

Looks like a one and done. Irritating when someone can't respond back. [Mad]

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Andrew Woodcock
Film God

Posts: 7477
From: Manchester Uk
Registered: Aug 2012

posted July 10, 2015 04:37 PM

Yes very frustrating Barry after you kindly took the time to advise and help out a newcomer.

Oh well, that's the price I suppose by adding new members to the forum with one off needs.

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"C'mon Baggy..Get with the beat"

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Mike Koebel
Junior
Posts: 2
From: Chicago, IL, USA
Registered: Jun 2015

posted July 10, 2015 04:46 PM

All - my apologies for the slow reply as I have been traveling over the last two weeks. I was able to get the projector working based on the responses and diagram. I appreciate everyone's help.

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Barry Fritz
Phenomenal Film Handler

Posts: 1061
From: Burnsville, MN, USA
Registered: Dec 2009

posted July 10, 2015 10:09 PM

It's all good, Mike, enjoy your projector.

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