Question about Porter Cable 332K Quicksand Random Orbit Sander W/ Case
My Porter Cable Random Orbital Sander model 333 pad rotates at a high speed but does not appear to randomly "orbit". This results in immediate circular scarring on the surface to be sanded.
Just solved my problem with Porter Cable 333 orbital sander which just groaned. I thought the worst. I carefully took it apart on the garage floor and immediately suspected it needed lubrication as the motor turned hard. I used my flexible long plastic tube lubrication and put some on the bottom bearing shaft the best I could. I worked it around and around. I began to feel it turning easier. I applied more oil and kept moving and it became completely free. I put a drop on the top bearing even though it was loose. I put it all back together and it works like new. Lesson: do not look for the worst when a tool quits. Suspect the culprit to be lack of lubrication!!!
Posted on Aug 15, 2011
It is likely that the oscillating bearing is frozen.
Posted on May 20, 2009
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