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Sunday, July 19, 2009
This is the third (or is this the fourth?) ShopVac to die on us in the last couple years. As you can imagine, shop vacs get used quite heavily in a project like this. You can usually tell when these things are about to go. The bearings give off an annoying whine. I suspect it is the fiberglass dust. Despite our diligent use of finer filter elements, the dust kills the bearings until the motor finally siezes. As an alternative to the shop vac, I tried connecting the vac hose to the dust collector. Did not work as well. The shop vac provides more powerful suction. Off to buy a new one.