Genuine Porter Cable replacement part This brush is sold individually, 2 are needed for the tools shown below It is always best to replace both brushes, even if only one is worn. Worn brushes frequently are the cause behind a motor running poorly. Replacing brushes can fix a motor that's operating intermittently. New brushes can restore a motor's electric braking. Carbon brushes are one of the most commonly replaced power tool parts. This is because carbon brushes are wear items, meaning that through friction and use they will gradually wear away until they need replacing. Worn brushes are a common causes of intermittent motor function, reduced electric braking and reduced motor power. A worn-out brush will often be worn down near to the wire lead and can be cracked, pitted, or burned. When replacing carbon brushes, be sure to inspect your armature for burns, cracks, or other damage which can indicate larger motor problems.
1. Using PhilipGÇÖs head screwdriver removed side cover.
2. Using a flat head screwdriver remove brush covers.
3. Extract old brushes.
4. Insert new brushes.
5. Replace brush covers.
6. Replace side cover.
Removed side cover plate screws(4).
Removed motor brush retaining plug
Removed old brush, one side at a time
Clean out any residue from brush holder
Install new brush with spring carefully keeping all straight. Put the threaded cap/retainer plug in with flat blade screwdriver.
Reinstall side cover
Plug
... Read more sander into power supply
Tested sander- worked like new!
One of the brushes was worn out so I replaced both and replaced the brush holder that was corroded. All that had to be removed was the motor housing by taking out three screws.
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One sander stopped working after sparking, the other started running slow.
Removed the brush caps with a screw driver, then removed the old brushes. I then installed the new brushes and replaced the the brush caps. Sander works like new.
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