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Backing plate for sanding with the 7424
For those of you sanding with a 7424, what are you using for a backing plate? I'm assuming that your using the regular adhesive 6" Discs? Any info is appreciated! Thanks.
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Re: Backing plate for sanding with the 7424
meguiars back plate plus interface pad plus sanding disks
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Super Member
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Re: Backing plate for sanding with the 7424
Thanks, I'm looking for something a little more versatile so I could have more paper choices. I'm not looking for finishing discs actually. I've got the sand and prep the bed of my truck so I need to run 400 grit so I was hoping for like a plain smooth rubber backing plate.
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Super Member
Re: Backing plate for sanding with the 7424
Originally Posted by goathead
Thanks, I'm looking for something a little more versatile so I could have more paper choices. I'm not looking for finishing discs actually. I've got the sand and prep the bed of my truck so I need to run 400 grit so I was hoping for like a plain smooth rubber backing plate.
Head up to Home Depot or Lowe's, then... they should have what you need.
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Re: Backing plate for sanding with the 7424
Yeah, I checked HD and they didn't have any backing plates...of course it's possibly the lamest HD I've ever been to. I'll check Sears too, just didn't know if anyone used it for other than finish/damp sanding.
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Super Member
Re: Backing plate for sanding with the 7424
Porter Cable has a "wood worker" version of the 7424 (which came out decades before the one you have). The backing plate should be interchangable.
HOWEVER - pay attention here - you also need to get and change out the counter balance as the one for sanding is smaller (less weight) than the one for polishing vehicles.
Regards,
GEWB
Linux Reg. User #206357 (Feb. '99)
"Can't get there from here."
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Re: Backing plate for sanding with the 7424
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Re: Backing plate for sanding with the 7424
Originally Posted by gewb
HOWEVER - pay attention here - you also need to get and change out the counter balance as the one for sanding is smaller (less weight) than the one for polishing vehicles.
Regards,
GEWB
Gary's right, at least that's the original idea behind the different weights of couterweights... for what it's worth, I've never checked or changed a counterweight on a tool before using it to dampsand or machine compound, polish or wax paint.
Neither the Meguiar's or the Griot's DA Polishers have the ability to modify counterweights and we use these in all our Wetsanding Classes to dampsand.
I'm not saying my way is the right way or the best way just saying all the sanding, cutting, polishing and waxing seems to get done with any of these tools and with whatever counterweight is on the PC that's closest to my hand when I reach for one.
The origins of the Porter Cable are documented in this thread...
The Free Floating Spindle Bearing Assembly - The Story Behind The Story...
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