8mm Forum: Sankyo 2000H Dualux

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Topic: Sankyo 2000H Dualux - saggy belt!

Johnny Starr
Junior
Posts: 6
From: London, England
Registered: Jun 2005

posted April 27, 2006 01:55 PM

Well, it's been about a year since I posted in this forum. Been happily playing away with the projectors I got last year and built up quite a little collection of film from carboots and the sort.

I've just collected a Sankyo 2000 from a freecycle.org member. A neighbour of his was emigrating and left it on top of the dustbin.

It really looks brand new. Been kept in its cover the whole time.

Turned it on and it lit up but there was a "stuck motor" noise and nothing moved.

Took the back off and the drive belt was sitting on its wheels although it was sagging and not at all tight. It was also stuck to the wheels and the reason that the straining noise was being made since the wheels couldn't move.

I've pulled the belt away from the wheels and now when I turn it on the wheels spin around ten to the dozen with no belt to pull.

So it looks like all is well apart from the belt.

I'm just amazed by the belt. It's literally hanging off the wheels and nowhere near tight enough to pull the wheels around.

I think it's fair to say that this machine hasn't been touched for donkeys' years and since it's in such excellent nick I doubt it's worn through a belt in its life so I don't think somebody will have tried to replace it with an incorrect belt.

Can a belt go so saggy just by being sat in the loft?

It's as if it isn't sitting over one of the wheels that it should be sitting over but I can see it covers both wheels, and then some!

Just wondered if anybody had any thoughts before I off to eBay to get a replacement drive belt. Could a wheel be so far out of place that it means the belt is very loose? Looks like there isn't much room for the wheels to move anywhere.

Cheers, all.

J

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John Clancy
Phenomenal Film Handler

Posts: 1954
From: Cornwall
Registered: Jun 2003

posted April 28, 2006 02:48 AM

Yes, that can happen to rubber so hopefully a new belt is all that is required. Lee's Cameras used to stock just about every belt imaginable so it could be worth looking them up rather than risking something from eBay.

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British Film Collectors Convention home page www.bfcc.biz. The site is for the whole of the film collecting hobby and not just the BFCC.

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Kevin Faulkner
Film God

Posts: 4071
From: Essex UK
Registered: Jun 2003

posted April 28, 2006 09:17 AM

Or you could by a length of this belt material from Dearnn which you cut to length and then melt the ends together.

I have seen a lot of these old belts go saggy like this then eventually decompose into a sticky mess. Good job you found it at this stage because this rubber is really horrid to clean off once it goes sticky. A bit like the ruber round the shutter of some ST1200's

Kev.

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GS1200 Xenon with Elmo 1.0...great combo along with a 16-CL Xenon for that super bright white light.

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Jan Bister
Darth 8mm

Posts: 2629
From: Ohio, USA
Registered: Jan 2005

posted April 29, 2006 07:54 AM

Hoo, boy, are you ever right on that one Kevin. [Wink]

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Call me Phoenix. *dusts off the ashes*

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