How-To Clean A Motor Starter Switch
Cleaning a Motor Starter Switch
- Remove the end bell where the wires come out. There will be four long bolts and nuts holding the motor together (below).

- With just the starter end removed, there should be a white plastic terminal board. You can either loosen this board or if you can get to the starter points, (they are on a long copper piece) they open up after the motor gets to a certain speed.

- Take an emery file and sand the contacts to polish up the copper contacts (below).

FINISHED!
Aug 12, 2021
Recent Posts
-
Air Compressor Pumps 101: Understanding the Heart of Your Machine
If you rely on compressed air for your workshop, automotive garage, or industrial facility, you know …Jul 1, 2026 -
Common Mistakes to Avoid When Repairing Your Air Compressor
Fixing your own air compressor is an excellent way to save money, minimize project downtime, and ext …Jun 25, 2026 -
Ditch the Rust! Manual vs. Automatic Air Compressor Drain Valves
Every time you run your air compressor, physics works against your machine. As air compresses, it he …Jun 18, 2026