Well i have been singing the palm sander blues the last few days having to send my high end mirka sander in for repairs. I bought this pneumatic sander last year about this time when the last one went hay wire, and haven't used it much....Well i brought it back out, blew the dust off it, and hooked up the air hose, only to get very slow rpms out of it.... I was disgusted... This is killing me here....
Well after cleaning it up and oiling it, i still couldn't get it to go faster than about 400 rpms.... Then i bumped this little knob that was kinda hidden, and she came up to about half speed........ As i got to messing with it i realized there was a speed control on this damn thing and i didnt even know about it. I had always regulated the speed with the palm pressure and didn't even know there was a speed control knob on it.... Boy did i feel stupid...
So I'm up and running again!