Vibration with my new Griot's

nickgodfrey

nickgodfrey

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So I got my new Griot's polisher the other day and used it for the first time yesterday. It worked great, especially for someone who's only used cheap buffers. The only thing I thought was kinda weird was how much it shook the crap out of my left hand on the loop handle. I'm wondering if this is normal to a real DA, or if this is something I should be concerned about.
 
I suppose I would be negligent if I didn't add the following. Many people love their GG and swear by it. That was just my experience.
 
It will buzz you a bit on the higher speeds. Taking care to confirm the pad is centered helps some.
 
If you have the money for the Flex 3401 VRG, get it. I have never used it but its big talk on here about its power and how it doesn't vibrate like crazy. If you can't get that you'll just have to use to using what you have.
 
It vibrates quite a bit. But I wouldn't trade it for the world.
 
I had the pad dead centered. The gloves are an I teresting idea, I might consider that. Not exactly in the market Flex just yet, but it might make the wish list some day. I'm glad to know there's nothing weird about this, because I'm pretty excited about the work I'll be able to do with my new polisher!
 
hey guys, i have been using a PC for about a year now and just started doing more cars for side money, it is a great machine and the DA always has a place in my arsenal.I just got my dewalt 849X in saturday and wow, i can acually use my hands after buffing. The rotary doesnt vibrate at all, just a world of difference!
 
Are you using enough downwatrd pressure? Sometimes too light of a pressure will let it vibrate more.
 
5.4 Shelby said:
Are you using enough downwatrd pressure? Sometimes too light of a pressure will let it vibrate more.
Click to expand...

Well, I guess I'm entirely sure. This was my first time using it, but I'll try a little more pressure next time and see what happens.
 
nickgodfrey said:
Well, I guess I'm entirely sure. This was my first time using it, but I'll try a little more pressure next time and see what happens.
Click to expand...
IF you havent done so, mark the backing plate with a sharpie. Then you can see how fast the pad is spinning. You should get about 1-2 revolutions per second.

Dont put too much pressure. That GG will eat up your pad with too much pressure, esp with too much product on it.
 
Very good call on marking up the plate. I'm gonna give that a try before i use it next.
 
nickgodfrey said:
Very good call on marking up the plate. I'm gonna give that a try before i use it next.
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This is a tip in one of Mike Phillips' video series and book "The Art of Detailing" - all of which are phenomenal references for DA usage. While the PC 7424 XP is the tool primarily referenced, I believe the principles presented can be applied to a variety of DA polishers.
 
5.4 Shelby said:
IF you havent done so, mark the backing plate with a sharpie. Then you can see how fast the pad is spinning. You should get about 1-2 revolutions per second.

Dont put too much pressure. That GG will eat up your pad with too much pressure, esp with too much product on it.
Click to expand...

How many pounds of pressure is ideal?
 
The vibration is normal. The GG DA is a dandy machine if you get one that's reliable. With a Meg's MF cutting pad, you will get more cut with the GG DA than anything you use on the Flex 3401. The 3401 is a great machine. It will work faster than the GG DA with foam pads, but throw MF cutting pads into to the mix, and the GG DA surpasses it, IME! :D
 
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