Owners manual
40A GRINDER/SANDER/POLISHER   
6 
o  CAUTION: This machine is equipped with motor overload protection. If the unit shuts down due 
to overload, turn switch off. Wait 5 seconds and turn the machine back on and run under no-load 
for 20 seconds to allow for motor cooling. Not doing this could result in motor failure.  
o  If the motor stops due to paper failure, stop the machine immediately to prevent injury. 
Disconnect the machine from the power supply and change paper.  
Ø  Finish sanding the surface. 
Ø  Turn the motor off. 
o  CAUTION: Only lay the machine down on surface once the belts have come to a complete stop.  
INSTALLING SANDING BELTS 
Ø  Check that the replacement belt is not damaged. 
o  Sanding belts that are damaged should not be used.  
Ø  Make certain the machine is unplugged from power. 
Ø  Depress the spring arm (number 5 in the picture above) inwards and remove the old sanding belt. 
Ø  Place the new sanding belt on the rollers so it’s direction of circulation (arrows on the non-abrasive side of 
the belt matches the arrow on the machine’s gearbox. 
Ø  Release the spring arm and ensure the belt is completely on the rollers.   










