Question about Dewalt d26441k 1/4 Sheet Palm Sander
After a short time of use my palm sander dewalt d26441kstarted to vibrate too much. Something gave a crack, it started to sound quite rough and it vibrates so hard it's impossible to hold.
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Posted on Jan 02, 2017
It will probably be the shaft from the motor to the orbital cam which is on the flat plate that you connect the sandpaper to , either the shaft or the bottom cam is broken [probably the shaft has snapped ] you can do a cheap repair with a good glue to reconnect the shaft [but you wont be able to push too hard again] or if you can get the parts just replace the shaft into the motor . they are really simple things to work on
Posted on May 23, 2009
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.
Posted on Dec 26, 2009
I have the same problem with a Porter Cable orbital sander I recently purchased. Whats happening is the sander is catching the edge of the board you're trying to sand and jerking back and forth as the sander base spins. It seems that if the board your're sanding is at least as wide as the sander base, the problem goes away, which does little good because there will be many times I we'll need to sand wood that is less in size. But you may try using a lesser grit sandpaper and see if that alleviates the problem somewhat.
Posted on Aug 31, 2010
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It sounds to me that you have used the sander a lot and the vibration has broken a wire or it's about to break on the field windings. The brushes you need to look at to see if worn. But I kind of think wire problem. I had this happen on mine and opened it up to find this is what happened. The sander would be turned on and would not operate until I turn upside down and it would work. This is great if you are sanding upside down but this is just a sign that you are on borrowed time as this will eventually not turn on at all. I was able to fix mine with new wire crimp connection and solder with heat shrink material. If not you can order new field winding if this is what is wrong. Cleaning up the sander won't hurt either. You might want to see what a new sander will cost vs. part. Good Luck!
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