20" grizzly planer

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Forum topic by Ronsway posted 08-14-2013 09:40 AM 974 views 0 times favorited 3 replies Add to Favorites Watch
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5 posts in 2082 days

08-14-2013 09:40 AM

I just bought a used 20” grizzly planer works great but when I power it off and it slows down I hear the belts slap. I checked the tension on the belts and snugged them up but they still slap. The previous owner said it always did and felt it was normal. The belts look all the same but not sure that they are a match set. tension seems equal. Has anybody had this happen to one of there machines.
Thanks for any help solving his little problem.

-- Ronsway, North Carolina

3 replies so far

View Marcus's profile


1165 posts in 2259 days

#1 posted 08-14-2013 10:10 AM

I have a tiny bit of belt slap with my jointer. Make sure the pulleys are coplanar as well.

View bowedstraight's profile


100 posts in 2013 days

#2 posted 08-14-2013 02:13 PM

make sure the pulleys are coplaner and make sure they are tight and not slipping and sliding around on the shaft if the pulley is moving on the shaft it will have a rough shutdown. you might need to double check your set screws on your pulleys maybe put in some new set screws and lock them down with another set screw on top of the first screw make sure the second screw is flat not pointed on the end, take the sheilds off and watch the pulleys and never start a planer or jointer before it has completely stopped this will throw the pulley out or like strip the set screw this I learned the hard way, enjoy your new planer and make some dust

-- Work in the city woodshop in tha country

View Ronsway's profile


5 posts in 2082 days

#3 posted 08-14-2013 11:14 PM

Thanks for th tips. I checked the pulley’s with a straight edge. They line up perfectly so I’ll check to see if the pulley’s are moving on the shafts I’ll put match marks on them and see if it changes. I did call Grizzley and talked to one of the tech persons and he said it could be forces in the motor slowing things down too fast. I’ll just use it like it is but keep and eye on things and maybe try a ew set of belts. If I find out something Ill post it.
Thanks, Ronsway

-- Ronsway, North Carolina

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