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I have a Rockwell/Porter Cable 330 Vibration Sander. As others have posted here, it has excessive vibration when I turn it on. I would like to replace the 4 rubber posts but can't figure out how to remove them. I've removed the platen at the bottom, but don't how to take off the plastic body housing to access the screw holding the rubber posts. Any insight would be appreciated. Thanks.
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there is a wrench supplied with the tool that you need to insert in the slot on the clamp and push the wrench towards the tool to open the clamp. Now if you follow closely I can direct you to a manual and parts list. Go to "dewaltservicenet.com" and scroll down to the bottom and you will find a porter cable link, click on that and then when you get to the next page click on tools. Scroll down till you find sanders and click on that. Next find finishing sanders and you will find your model sander click on the description and it will again redirect you to another page where you can find the manual. The whole manual is 44 pages long but that includes other languages. The page that you specifically need is page 10. If you have a problem let me know and I will try and help. This is the first time that I have had to take this route to find a manual on their site.
Similar problem with my 7500 2x18" belt sander. Replaced the brushes
today (didn;t look bad{ had sander 3 months to sand pistol grips.
Sparks were flying from motor so replaced the brushes. Skil runs very
slugis like its booging down, I think the only other possible solution
is new bearings for me and perhaps you..
I also have had this problem and I found that if I hold the unit tightly and squeeze the plastic housing the RPM's will stabilize as the unit warms up. Best fix is to replace the rubber isolators that prevent vibrations from the motor from reaching the plastic housing. The isolators have become hard through age or very cold temperatures. I read somewhere that keeping the sander stored in a warm room can also help because when the rubber is very cold it becomes hard.
Not sure if this will work for you, but I had the same problem with my 330, it vibrated so much it felt like I was being electrocuted. I took the four screws holding the pad off and blew compressed air inside the sander to remove all the sawdust. Screwed the pad back on and now it works fine. Mine was only 5 years old with very little use.
Shane, it's not the sander that is the problem. This is a difficult machine to use, even for those who have been in the trade for years. The trick is to keep the head moving, and apply vary little pressure. Sorry I didn't find you sooner, but I just found this site 2 weeks ago.I'm sure you have already painted by now but your best bet would be to purchase a manual pole sander. If you have any other drywall questions, or know anyone who does, feel free to ask.
Remove the 4 sander plate screws being carefull not to strip them. Look at the plastic ******** extentions attached/flooting to the houseing and look for broken or bent arms on them ,replace with new ones, this should solve your problem.
try to rig the nozzle of a shop vac to the part where the bag would normally connect and run the sander simultaneously with vac for a few minutes and see if that helps
power cord stuck in rear wheel of power sander
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