Question about Porter Cable 3" x 21" Electronic Variable Speed Sander

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Porter Cable 352V belt sander eats belts

I have a very new PC model 352 belt sander. It consistently eats belts after only a few minutes of sanding. My first thought was "bad belt trackng" so I immediately checked the tracking on the newly installed belt. I set the specs exactly to the PC manual. No luck. The unit still eats belts. I inspected the sander components and they all look fine with no signs of damage or visible wear. This unit was purchased brand new and has only been used a few times so up until I changed the first belt, I had had no problem. Do you think the belts I'm using are the problem (Norton manufacture) or is it the sander itself? 
Thanks in advance.
H. Robba

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  • harterobba Apr 03, 2009

    Thanks for all your input people!


    Deeply appreciated.


    Harte

  • harterobba Apr 04, 2009

    Thanks again to all who respond to this.


    It really helps.


    H. Robba

  • David Ford
    David Ford May 11, 2010

    are the new belts directional? they would have an arrow on the inside indicating which way to install. what side of the belt is getting chewed up?

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I've never had any particular problems with norton belts. All belts will require some adjustment as they wear in,however.
Try this: Put a new belt on, turn the sander upside down and rest it on the front handle. Get a good grip on the rear handle and turn it on while you use your other hand to turn the tracking adjustment. Just center the belt on the drum. I don't know what the manual tells you to do, but that's what matters, that the belt rides across the platen without hanging out loose in space or running up against the housing of the machine. If it does ride in against the housing, and you don't track it away, eventually you'll have a groove worn right through the side of the machine.
If you try this, and it still doesn't work, make sure the drums are secure and look right. Is it possible the machine was dropped and the drum bent? If so, parts will have to be replaced.
The only other cause I can imagine is that there is some kind of something jammed inside the housing that is protruding into the belt pathway that they're getting caught on, but that seems unlikely. Check anyway. Look with a flashlight.
There are better belts available than Norton, but they should work.
Some belts have an arrow on the inside of the belt indicating the direction of travel. Make sure if yours does, that you put it on that way. I try to install them so the joint will tend to ride up over the work instead of the work tending to want to tear the joint apart, but this is not always obvious, depending on the mfr.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread. If I've managed to answer your question or solve a problem, please take a moment to kindly rate this post....thanks!

Posted on Apr 02, 2009

  • efs_perpends
    efs_perpends Apr 03, 2009

    It will help us a little if you give the answers a rating. Thanks!

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Need manual for porter cable 352vs sander or chart of adjustmetns.

Posted on Sep 25, 2011

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