Shopsmith Forums

I replaced the pulley belt just the way Nick has done in his Shopsmith Academy video. However, the belt yet again got pinched under several teeth of the control sheave. Is there a way to replace this belt without it getting caught under these teeth? I have the Shopsmith Mark V, 510.

I will smile as soon as I get this SS working. Thanks your help.

dalycity wrote:I replaced the pulley belt just the way Nick has done in his Shopsmith Academy video. However, the belt yet again got pinched under several teeth of the control sheave. Is there a way to replace this belt without it getting caught under these teeth? I have the Shopsmith Mark V, 510.

I will smile as soon as I get this SS working. Thanks your help.

I have had this happen a time or two but I have been able to walk it out. I install the sanding disk and use it to turn the shaft. The sheaves operate in their normal fashion to properly position the belts in the pulleys.

Is your drive belt in good condition. If it is too narrow (extreme wear), it mat attempt to position itself too deep in the sheave.

A couple of notes: You are talking about the control sheave, right? The upper one?

Are you using a Shopsmith belt? It should have the word Shopsmith on the outside surface. If it does not have this word, order one now. A while back, Shopsmith supplied a gates belt that was different enough that it may cause this problem. These belts also had uneven sides that would give unwanted noised and vibrations. The company has now re-instated their standard belt. Made by Goodrich, I believe.

Also after re installing the drive belt, set the maximum speed so the belt is about 1/8" below the motor sheaves. If the belt was riding too high on the motor sheaves, it would also go too low in the control sheaves. The maximum speed setting is a very important adjustment.

When installing a belt, do not set it to high speed before you install the belt. Adjust it to slightly slower(around T). That will make slipping the belt onto the motor pulley a bit more difficult, but should close the control sheave sufficiently to prevent the belt droping too low into the idler pulley.

Perform the high speed adjustment normally(yes it is quite critical for proper speed control operation and range).

P.S. a 'secret' to getting the belt onto the motor pulley, is to pull the floating sheave away from the fan sheave so the belt is seating at a smaller radius on the pulley. Do watch yer pinkies when doing that!

Thank you Gold Members for your help; I've printed your replies and will work on the SS tomorrow.

Carlese: yes, the upper one.

Yes, it's a SS belt. I've ordered a new belt two weeks ago and SS said they were waiting for shipment from their supplier.

I've never worked on a SS before; it was given to me. Meanwhile, I was playing with the belt and trying to follow instructions from SS academy. Now, I must try to get the pinched belt loose, which took a lot of time the last time the belt was pinched. I have small hands and can get into the hole in the back, but no finger strength; often I have to wait till my husband gets home. His hand is too big and sometimes it gets stuck in the hole.

Before I quit in frustration today, I kicked the SS twice!

I wish there's a SS repair shop near San Francisco or the left coast. Seems most woodworkers live in the mid-west or the south.

I will do the high speed adjustment after I receive the new belt. Again, thanks for your help!

you should be go to this shop where you purchase this and meet with the shop keeper and tell him to replace you product.
Thanks

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