Motor brushes consist of a coiled spring of metal with a piece of carbon at the end. They go under the brush cap and rest on the armature, providing the electrical connection to keep the tool running. These easily replaceable accessories help extend the life of the tool. You should check both motor brushes after every 50-60 hours of use. Simply unplug the tool, open the brush caps and remove the carbon piece from the holder. If there is less than 1/8 inch of carbon left on either brush, they both should be replaced.
 | Fits Tool Models 275, 285, 300, 395, 595 (Type 3,4,5) and 6000 (Type 1,2). |
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