The Griot’s 3″ random orbital sander is a Delta Kits’ top seller and a favorite among headlight restoration professionals worldwide. Not only is the tool easy to use, it is also extremely durable. In fact, if used occasionally for sanding and polishing tasks, the Griot’s tool will often last a lifetime without any required maintenance.
When used regularly for extended periods of time, however, all electric power tools require regular maintenance for optimum performance. Headlight restoration is likely one of the most demanding tasks for a 3″ random orbital sander. So, Delta Kits includes an extra set of motor brushes with every Griot’s tool we sell. This is the number one reason for power tool failure, and it is easy to fix yourself.

What is a motor brush?

A motor brush is typically made of carbon block (graphite). It attaches to a small spring that holds it against the commutator bars on the armature to create electrical resistance. For the motor to function properly, it is important that the brushes are in good condition. Brushes do wear out over time. How long is dependent on how… Read More