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  1. #1
    Regular Member Lance Mark's Avatar
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    Had some problems when practicing last night

    I've got an old '08 GMC Sierra that I'm doing some practice last night.

    First time around, I had issues with pressing too hard and stopping the wheel. Near the end of the the first correcting step, I started to get the hang of it. When I did the finishing glaze, i feel like I was getting the hang of it.

    Last night, I tried another go at it.

    First time around, I used the thinner pad. Second go, I used the thicker.

    At first, it seemed to work just fine, but at one point, I noticed a wobble and the wheel threw the pad off of it.

    I was thinking a 3" pad is a 3" pad. Did I get the wrong pads? The ones that came with were the thinner ones. I bought the thicker ones thinking they were the same thing. The thinner ones have a hole in center.

    I noticed there was a bit of residue on the backing plate, could that have screwed with the hook and loop?

    As well, when i used the thicker pad on speed 2 to spread it around, there was no difference in the shape of the pad, but when I turned up to 4-5, the pad started to expand and pancake out.

  2. #2
    Super Member Desertnate's Avatar
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    Re: Had some problems when practicing last night

    What type of tool are you using?

    The only time I've thrown a pad is when using an old one and I got it too hot which caused the glue to fail and the pad separated from the velcro backing.
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  3. #3
    Super Member 98CayenneTA's Avatar
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    Re: Had some problems when practicing last night

    What tool are you using?
    What pads are you taking about?
    What products?

    At the very least it sounds like you're letting the pads get WAY to saturated for them to lose there shape during use.
    Ripping through your mind like a hurricane full of novocaine

  4. #4
    Regular Member Lance Mark's Avatar
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    Re: Had some problems when practicing last night

    Quote Originally Posted by 98CayenneTA View Post
    What tool are you using?
    What pads are you taking about?
    What products?

    At the very least it sounds like you're letting the pads get WAY to saturated for them to lose there shape during use.
    I'm using a G8. Griot's pads. Wolfganing Total Swirl Remover

  5. #5
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    Re: Had some problems when practicing last night

    Sounds like you may have let the pad get too hot and then potentially melted the velcro on the pad. Happened to a lot in the beginning cause I didn't switch pads often enough.

    When you tried putting that pad back on the machine, did you notice the 'velcro' not stick as strong as before? If so...you may have melted the back of it unfortunately and the pad is toast.

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  7. #6
    Regular Member Lance Mark's Avatar
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    Re: Had some problems when practicing last night

    Quote Originally Posted by Matador View Post
    Sounds like you may have let the pad get too hot and then potentially melted the velcro on the pad. Happened to a lot in the beginning cause I didn't switch pads often enough.

    When you tried putting that pad back on the machine, did you notice the 'velcro' not stick as strong as before? If so...you may have melted the back of it unfortunately and the pad is toast.
    yikes, i hope i didn't ruin the plate, I don't think I did, but I'll check it out, I have the 2" backing plate and I can check the texture of the velcro against each other

    I think i had the pad too saturated with product

  8. #7
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    Re: Had some problems when practicing last night

    I dont think the plate would be ruined, just the velcro backing on the pad.

    Hopefully it was just oversaturation on the pad though!

  9. #8
    Super Member Desertnate's Avatar
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    Re: Had some problems when practicing last night

    Just curious, you aren't trying to do the entire truck with the G8 are you?

    How often do you swap out pads?
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  10. #9
    Regular Member Lance Mark's Avatar
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    Re: Had some problems when practicing last night

    Quote Originally Posted by Desertnate View Post
    Just curious, you aren't trying to do the entire truck with the G8 are you?

    How often do you swap out pads?
    thanks for looking out for me my friend, had I had aspirations to do the whole truck, my first test runs would have set me straight....definitely not the tool for a whole truck

    I bought the G8 for my motorcycle

    I have an old '08 GMC Sierra that I'm practicing on. I'm pretty green, yesterday was the second time I've even used a polisher. I had done one section about 18 x 18, cleaned the pad and started on a second section. That's when it happened. I think I had too much of the product.

    The other day, I did the right quarter panel and it turned out pretty good for a first shot.

    There were two things I did different this time.

    When I primed the pad, i worked the product into the surface a bit by pushing on it with my thumb. And I used the thicker pad.

    Once concern that I had was that the 3" pads I got were not meant for my machine.

  11. #10
    Super Member Bruno Soares's Avatar
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    Re: Had some problems when practicing last night

    Don't prime a foam pad. Use less product. Don't put that much pressure on it, let the tool do the work.

    And definitely don't try to do an entire vehicle with a G8, that's going to be a PITA. Also, get many pads so you can swap them often, a wet pad gets hot fast and that is really bad for the foam. You end up with delaminated pads or pads that sink in the middle.
    Bruno Soares


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