Grizzly 0656 Jointer belt tension

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Forum topic by Padraic482 posted 10-03-2016 04:58 PM 114 views 0 times favorited 3 replies Add to Favorites Watch
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6 posts in 20 days

10-03-2016 04:58 PM

Just got my very first, brand new jointer, which requires some assembly. I’m finding the belt-tensioning part to be particularly challenging.

Grizzly recommends a tension that will result in 1/4” deflection when the belt is poked with a finger at ‘moderate’ force. To achieve that, they advise you to simply push down on the motor, the weight of the motor alone apparently being insufficient to produce that result.

The motor’s in an awkward position for pushing to begin with, and it’s going to require more force than I can apply with one hand to get the belt that tight, the other hand being required to tighten the bolts to hold it in place once the tension is achieved.

Right now I’ve got a spreader clamp pushing down on the side of the motor that the pulley is attached to and a scissor jack holding the other side up in order to keep the motor from skewing.

If anybody’s got a better method, I’d love to hear about it.


3 replies so far

View unbob's profile


692 posts in 1322 days

#1 posted 10-03-2016 08:19 PM

The descriptions of deflection and moderate force are not much use. That said, belts do not need to be that tight. I would experiment with the belt tension a little bit, and find the spot where the machine runs the smoothest. Most likely, the belts will end up a little looser then tighter.

View MrUnix's profile


4028 posts in 1618 days

#2 posted 10-03-2016 08:32 PM

What bob sez…

Tension is not that critical – as long as it’s tight enough so it doesn’t slip or flap around, you are good.


-- Brad in FL - To be old and wise, you must first be young and stupid

View Padraic482's profile


6 posts in 20 days

#3 posted 10-03-2016 08:38 PM

Thank you both. That’s going to save a lot of aggravation.

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