(3) Portable disc sander. Use a portable disc sander (Figure 3-15) on metal surfaces or to
remove badly flaked paint on wood surfaces. One type fits the chuck of an electric drill or a power tool.
The sander's abrasive discs come in various grits for various tasks and are easily replaced.
Figure 3-15. Portable disc sanders
(4) Drum floor sander. The drum floor sander (Figure 3-16) uses an abrasive belt that is
similar to the belt sander. It is used to sand new or painted wood floors; however, because of its size,
the drum floor sander cannot sand close to walls and in corners. The only maintenance required on this
machine is to occasionally blow compressed air through the motor and replace the belt when it becomes
(5) Floor edger. The floor edger (Figure 3-17) is very similar to the portable disc sander; in
fact, their abrasive discs are interchangeable. The floor edger is designed to sand close to walls and in
corners, thus eliminating much hand sanding. Clean the edger by blowing compressed air through the