Ridgid sanders seem to have this problem more than other sanders. Hey guys I have a DeWalt orbital sander DW 420, and it is not working properly. Does anyone know what causes this and how to fix. All three of them have been spinning uncontrolably, so fast that you cant lift it and put it back down without leaving spin marks. The pad should not spin before the sander is placed on a surface. The 5" random orbital sander is an essential part of most woodworking facilities. An 'Orbital' sander doesn't spin, but the pad moves in an orbit, of a tiny circle, most of them are either rectangular or square. Nickjb, thanks. We replaced the bering and bering housing on one with no effect. You are right. versions are also available), the random-orbit sander spins but doesn't rotate on a single, consistent axis like a typical disk sander.Instead, the shaft spins and also oscillates off center, creating a random scratch pattern that is never exactly the same.. Beside above, can a random orbital sander be … Orbital Sander: Losing power with pressure. It should also be mentioned that this sander is covered by a 3-year limited warranty and the company also offers a 90-day money-back guarantee, which tells you a lot about their confidence in the quality of this product. The DWE6421K 5 in. The separate counterweight reduces vibration and along with the rubber overmold grip provides comfortable sanding. DEWALT DWE6423K. Other potential causes of swirls include using a sander with worn or damaged parts, and sanding wood that is too wet. It ensures that the orbital action will work properly so the grit abrades the surface as efficiently as it can. It sounds fine when you run it without applying it to any surface. Joined: 28 Jun 2005 Messages: 568 Thanks Received: 0 Trail Rat, not loads of pressure, but enough to get it stuck in and not spinning over the surface. Hitachimad, 16 Jul 2005 #3. happyhero. I own a Ridgid R2601 that has this problem. The tool allows rapid removal of material to create a … dia. I'd exchange it for a new one. This is NOT how they are supposed to work. You shouldn't apply more downward pressure and it takes to control the sander, pressing harder is not better. A 'Random Orbit' sander or 'Dual action' sander does the above, but uses a round pad, which also rotates. On the job site we have 3 orbital hand sanders. Single Speed Random Orbit Sander Kit with hook & loop pad has a 3 amp motor that delivers 12,000 OPM. Topic tags/keywords: orbital sander sander sander problems Need your help. DeWalt has a 90 day "no questions asked" return policy. My husband and I have been building about 10-15 items (ie. Most likely you will have to … Beyond that, I’m not certain that variable speed control makes much difference at all to the final surface smoothness. A shorter design allows users to get closer to the work surface and the one-handed locking dust bag attaches securely to the sander to aid in … We produced these by applying extra pressure to the sander, which, among other things, hampers the normal movement of the free-spinning backing pad. The sander should be allowed to spin freely and under its own weight plus light hand pressure. Click to see full answer Also, does a random orbital sander spin? Thanks for any help. The pad should stop spinning (or spin slowly) when lifted from the surface and spin when in contact with the surface. per week for just less than a year now and using our DeWalt orbital sanders with hook & loop discs. Let the sander do the work. jambourgie. (6-in. shelves, toys, etc.)