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Thread: JET Supersaw timing belt broken
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1st August 2019, 02:32 PM #16
I should probably post a picture. The old one has a lot more nylon threads inside the rubber. It looks a lot stronger.
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1st August 2019, 03:24 PM #17
OK this is printed on the belt. Logo says "Fair". Power transmission belt 384-S3M. The belt is 10mm wide & 384mm long.
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1st August 2019, 05:16 PM #18Woodworking mechanic
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So it’s a toothed, flat belt going by the part number. Sorry but I had problems with your photo.
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1st August 2019, 05:32 PM #19
It is something like this one. Found a few on ebay but they are 12mm wide. I might trim it down to 10mm myself.
https://www.monsterscooterparts.com/...38drbelt_1.jpgVisit my website at www.myFineWoodWork.com
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1st August 2019, 06:12 PM #20GOLD MEMBER
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Try this site about half way down the page for $11.88. The 2SM is just a common high tension timing belt and it may have been 12mm wide originally and is now worn down.
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2nd August 2019, 10:03 AM #21
Thanks for the info.
When I got the new belt last year it was exactly 10mm.Visit my website at www.myFineWoodWork.com
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2nd August 2019, 10:32 AM #22SENIOR MEMBER
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Hi Wongo,
You can fit sprockets and chain to these apparently. If you go to -Woodworking Talk.Com- Jet supersaw Timing belt (blade height adj.) issue. Then scroll to Post:20 for a picture. I have sprocket and chain sizes if you need to go looking for them.
Regards,
Ross
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2nd August 2019, 11:09 AM #23
WOW!!! That is impressive. It looks pretty hard to do and will be expensive. Yes can I please have the sizes and when do I get them from if you know?
Thanks very much.
BTW the existing method is very poor. I do not know how it could pass them their engineers (if they had any)Visit my website at www.myFineWoodWork.com
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2nd August 2019, 11:12 AM #24
I think the upper sprocket should be 2-3 times larger. That will work so much better.
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2nd August 2019, 11:52 AM #25Woodworking mechanic
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2nd August 2019, 12:21 PM #26GOLD MEMBER
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2nd August 2019, 12:35 PM #27
No, it think it will be faster.
For the supersaw it is very hard to do one turn on the wheel. I normally do half a turn with 2 hands on the wheel, stop, then another half a turn. It takes a long time to raise the blade. With a bigger upper sprocket I can do it all in one go.Visit my website at www.myFineWoodWork.com
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2nd August 2019, 12:43 PM #28SENIOR MEMBER
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Hi Wongo,
My spare belt is a-Synchroflex 9(R)timing belt, 390Lx10Wmm Stock No.4745498 - Made in GERMANY- I got it from RS Components Wetherill Park - cost $23.84
Quality wise- won't know until I try it. O K back to the chain- From my interweb gleanings people are quoting #25 top sprocket !9-21 tooth- 3/8"Bore. #25 lower sprocket 14 tooth with 1/2" bore and #25 chain.
Regards,
Ross
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2nd August 2019, 12:53 PM #29Woodworking mechanic
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2nd August 2019, 03:13 PM #30
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