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I'm very disappointed in the grinder, it vibrates quite a bit due to the out of round, balance,and wobble of the wheels.
The D758 is a good heavy duty grinder for general purpose work. After experimenting I found that the wobble comes from holding the wheel from turning when tighting the nut. Great price and overall very worth the money. I swap the wheels to have the corse wheel on the left side and notice some wobble after the wheel swap. Of course, the directions tell you to hold the nut on the oppsite end of the grinder. Doing this removed 95% of the vibration.
I'm still trying to decide what to do. My grinder has the same problem many others have reported. Exchange it for another from Amazon, ship it to a Dewalt service center for exchange, or just get a refund and buy another brand. The wheels are far out of true. This leads to high vibration and will certainly shorten the life of the grinder. There's another option that might also work - buy higher quality wheels from a different company. The latter would likely be the best option if it wasn't so costly.
Then I tried putting it together. Then I finally got hold of somebody at DeWalt to find out Black and Decker now owns them. I tried to call for help. I had to strip it down, put my bolts in, then reassemble the base unit. The only help I could get was to ship it back at my expense, no go.
The finally straw was once I had it all bolted down and did a power check, I decided to change the one disk to a wire wheel. You guessed it, nope.I put the wire wheel on and could see it does not sit in the center of the housing. Therefore the tool rest is useless as the grove in the tool rest does not line up with the wheel. Both the eye protection screens were missing, along with the two 1/4 bolts to mount the grinder to a work bench.
I then realized I did not have all the parts. I thought no worries it will get scratched with me using it. NOT a 5 min quick change.Do I like it now, Yes. I thought the 8"DeWalt Bench Grinder was going to live up to the DeWalt name, guess again.Firstly, It arrive with scratchers all over the exterior of it. You can't get a bolt through the holes as the main motor is in the way. This is were my blood presser went up.
And finally the vibrations and wobble are so bad I can't use it.I call customer care and they have asked me to take it to the closest service center. Had I know that I could have gone it Wally World and bought some cheep product there.So then I decided to use my own bolts to mount it. I fell for this one. What bad engineering, you have to loosed four screws on the side cover and to do that you have to turn the machine on its back to get to two of them. To do that you have to loosen the bolts, disassemble the base and then turn it over just to get the cover off.
Had I know this before hand I would not have bought a Black and Decker bench grinder with a yellow DeWalt name on it.Day 2.So after yesterdays problems I thought a new day would lead to better results.
No go either.
So I now have a 30min drive to take this piece of junk and have some expert take a look at it.
Forget about the instruction, they were written for some thing else not a bench grinder.
I'm not holding my breath on this one.Would I recommend it now.
Therefore I paid for a product with DeWalt's name on with Black and Decker's quality.
If you want to mount this to a wooden work bench with 2x6's as the working surface you will have problems.
Also because the wheel sits further to one side it now rubs on the housing.
NO
After the first year of use, the balance on both remains perfect. I was so pleased with the performance of the first that I bought another. I run brass-wire and steel-wire wheels on one and use the other for grinding. No complaints whatsoever. I do not use them daily, maybe once every two weeks, so they should last for many years.
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