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normal jointer noise on Grizzly G0490?

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Forum topic by mc79 posted 562 days ago 1272 views 0 times favorited 21 replies Add to Favorites Watch
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mc79

23 posts in 674 days


562 days ago

Topic tags/keywords: grizzly g0490 noise jointer vibration belt grizzly jointer

So I just finished assembling the G0490 and according to the manual, I performed my test run and was supposed to listen for unusual vibration and noise coming from the machine. Well there is some slight vibration and noise but I think that is to be expected. As a new woodworker, this is my first jointer and I have no idea what would be considered normal. I tried to “align” the pulleys by eyeballing it the best I could. It doesn’t look like the belt is rubbing anything. And I put as much downward pressure as possible to the motor to tighten the belt during setup like the manual said. So I’m just left wondering if my jointer vibration and noise is “normal”. Please watch the video with sound up and tell me what you think. Pay particular attention to the startup and at the end when I shut it down – those times produce the loudest noise – with just some squeaking and light vibration while running.


21 replies so far

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Marcus

1041 posts in 621 days


#1 posted 562 days ago

Video says its private

View Straightbowed's profile

Straightbowed

717 posts in 899 days


#2 posted 562 days ago

what kind of noise r u havin it’s more than likely your pulleys r not coplaner and the bottom or top pulley is loose that’s about it, if you tried to eyeball it you made a mistake that don’t work my 490 runs smooth shuts down starts up quiet no vibration or unusual noises but it did when I first started it up because the bottom pulley was loose where I moved it around and I also found out that it runs quieter with the pully close to the motor, so sounds like you need to take the back panel off and take a 2 foot straight edge and put it on the bottom pulley and see where your at from there then move your motor by taking off the front base panel so you can get to it easier, move your motor as needed then fine tune by moving the bottom pulley ever so slightly

-- Stevo, work in tha city woodshop in the country

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Straightbowed

717 posts in 899 days


#3 posted 562 days ago

your bottom pulley is way to close to the end of the shaft it needs to be closer to the motor and you need to get the pulleys coplaner and make sure you have your set screws tight on the botto m pulley that looks like the problem to me it’s a easy fix thats the same deal I went through all you have to do is move some things around and it will run smooth it takes about 1 hour or so to do the coplaner right just sayin

-- Stevo, work in tha city woodshop in the country

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Straightbowed

717 posts in 899 days


#4 posted 562 days ago

I can tell by the pic that its not coplaner

-- Stevo, work in tha city woodshop in the country

View mc79's profile

mc79

23 posts in 674 days


#5 posted 562 days ago

sorry guys, i fixed the video – it is now “public” and can be viewed.

View Dusty56's profile

Dusty56

11639 posts in 2289 days


#6 posted 562 days ago

Definitely something loose and possibly out of alignment.
You can see the belt fluttering and it isn’t even under load.
Those serpentine belts are usually so quiet and smooth running , it is hard to see them in motion.

edit:
After watching it a second time , it does appear that the pulleys are not aligned.

-- I'm absolutely positive that I couldn't be more uncertain!

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mc79

23 posts in 674 days


#7 posted 562 days ago

Thanks guys. What is the best way to align the pulleys to ensure that are on the same plane? Both are about 1.25” wide so do I just try to get the outside edges aligned? I don’t have a true straight edge yet (I have a 50” veritas on the way for table alignment). The problem is I don’t see how i can stick something in there that will reach up to the top pulley and fit in the small space where the belt passes through the top of the cabinet. Anyway just looking for tips on that.

Also, Stevo, you mention that the bottom pulley is too close to the end of the shaft…I hadn’t even tried to adjust anything down there because the manual does not make any mention of it. I figured that part was set up properly since it is part of the motor. I’ll check it out to see if its loose.

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Straightbowed

717 posts in 899 days


#8 posted 562 days ago

the pulley is adjustable its on a shaft it has a keyway and a set screw if the set is loose and its not coplaner the pulley will self align itself, you can use a straight pc of wood that will work as good as anything to get your pulleys coplaner, please dont assume that this jointer is perfect when it arrives dont assume anything you have to go over it and be sure just sayin, yes your jointer is not cop-laner like I said take the front and back panels off and put some sort of straight edge on the pulleys its easy you can put something across the bottom pulley and then sight to the top pulley but first get your motor over and at least center up the bottom pulley and go from there just sayin

-- Stevo, work in tha city woodshop in the country

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Straightbowed

717 posts in 899 days


#9 posted 562 days ago

it took me several tries on my 490 of course after a few brain farts to get coplaner but I took my time I guess Im tryin to help to much sorry if Im coarse

-- Stevo, work in tha city woodshop in the country

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mc79

23 posts in 674 days


#10 posted 560 days ago

Ok. After about an hour of adjusting, I think I have it about as good as I can get it. The bottom pulley was loose so I pushed it back a little more onto the shaft and tightened both set screws. I also got the pulleys co planar using the flat edge of a combination square. I had to sort of “tilt the motor up on the side opposite of the pulleys because I think the pull of the belt was lifting that side up more and making the pulleys not coplanar. After doing this, there is no more squeak/vibration while running. (i’m not sure what the hissing sound in the video is but I didn’t notice any noise like that coming from the machine). There is only a little noise at startup and shutdown which I believe comes from the belt. Check out the new video and let me know what you think… Is this thing ready for use?

View JJohnston's profile

JJohnston

1577 posts in 1893 days


#11 posted 560 days ago

Private video again.

-- "Sorry I'm late. Somebody tampered with my brakes." "You should have been early, then."

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Dusty56

11639 posts in 2289 days


#12 posted 560 days ago

ditto ^

-- I'm absolutely positive that I couldn't be more uncertain!

View mc79's profile

mc79

23 posts in 674 days


#13 posted 560 days ago

sorry try it now. my phone must not upload the settings I select when I upload the video for some reason. should be ok now.

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Dusty56

11639 posts in 2289 days


#14 posted 560 days ago

Looks like you nailed it : )

-- I'm absolutely positive that I couldn't be more uncertain!

View Purrmaster's profile

Purrmaster

774 posts in 694 days


#15 posted 560 days ago

Link belts can reduce vibration. You could try using a link belt (Fenner Power Twist or Jason Accu Link) and see if that helps. It helped a bit with my jointer.

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