Originally Posted by NoleFan
I have been using the pad conditioner brush with the pad running on speed (1). Dragging the brush from the middle of the pad out.
Learn something new every day!
You found out that dragging the brush against the pad with the machine on doesn't work because as the bristles move to the outer area of the pad the pad simply stops rotating.
All because of the free floating spindle bearing assembly for a drive mechanism as explained here and also in my how-to book. The Free Floating Spindle Bearing Assembly - The Story Behind The Story...
Note the Meguiar's versions and the Griot's Garage Versions of the Porter Cable Polisher use a similar design, that is these two other polishers also use a Free Floating Spindle Assembly.
In the below pictures, I'm pointing to what's referred to as the Free Floating Spindle Bearing Assembly
of a Porter Cable Dual Action Polisher. Porter Cable 7424XP with the Backing Plate Removed Exposing the Counterweight and Free Floating Spindle Bearing Assembly Close-up