Question about Porter Cable 7800 Drywall Sander With Dust Collection

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When I push the sander on the wall it stops spinning and starts clicking

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The best way to sand drywall is to use a pole sander (manually). You can pick them up for about $20.

This particular machine tends to leave grooves in the drywall compound if you are not familiar with how to use it.

If you should have any questions about "Drywall Finishing/Patching", or know someone who does, put your questions to Category:"Tools- Building & Power- HAND TOOLS" at FixYa.com

Thanks,

Jim

Posted on Sep 09, 2010

  • Jim Parker
    Jim Parker Sep 13, 2010

    Did this, or would it have help you to solve the problem. Please rate my answer if so.

    Thanks!

    Jim

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Probably not.
It may have just had a part break inside, like the on-off switch, or one of the wires to one of the brushes, etc., etc.
I buy these regularly, and they are inexpensive, which also means they are made of inexpensive ( cheap) parts.
It wouldn't hurt to take it apart, knowing it may not be repairable. Sometimes parts are available on-line.
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My porter cable sander starts then stops and now it wont start at all thank you


If it is not the plug in the wall socket being loose, then the most common is the motor contact brushes.

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This sander has a brake pad that is supposed to stop the rotation when the sander is not actually in use. It sounds like it's malfunctioning.
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It could either be that the brushes partially burned I would check to make sure your brushes are in good shape and take it out of the helpers pay ;)

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