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Toothed belt primary/diaphram clutch

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Recently acquired slimline has a toothed belt setup....there is no indication of supplier nor do I have any maintenance/adjustment details.couple of photos attached which hopefully someone will identify.Help/advise appreciatedthanks Johnbelt has markings...212 SYNCROFLEX AT10/980Attachments
primary1-jpg
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tec

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Nice looking design, not familiar with manufacturer other than for the belt; which is a high quality transmission belt so no problems there. Rough guide to belt tension is to try and twist it through 90 degrees on the longest run... it should not quite make it.

Over tight will hum, too slack will cog. I would study the same maintenance advice for any belt drive system on the market. Norvil,RGM,CRA and Bob Newby are common suppliers/ Manufacturers; the clutch race may need some lube.....

The beauty of it is its low load in comparison to the design application so they will be serviceablefor a good long while before you need to do anything. I had a Newbyunit on my 38 Inter, never did anything to it....

Cheers

Jon

 



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