Because the dust filter was constantly blowing off of his 5-in. Porter-Cable random-orbit sander (a common problem with this model), Tom Bomba of Uniontown, Ohio, figured out a way to secure it so that it would still be easy to remove for cleaning. He made a retainer by bending a 16-in. length of coat hanger wire to fit around the plastic outlet on one end and the front of the filter on the other end. To create the large radius around the outlet, Tom used a piece of 3/4-in. PVC pipe as a form. If you make a retainer for your dust filter, be sure that the wire fits tightly to hold it snugly against the outlet.
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