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How to Clean a Paint Gun with Thinner?

Published in Paint Gun Cleaning 2 mins read

Cleaning a paint gun thoroughly after use is essential for its performance and longevity. Using appropriate solvents like thinner is a standard practice to remove paint residue. Based on the provided reference, here's a method for cleaning your paint gun using thinner and reducer.

Steps for Cleaning Your Paint Gun

According to the reference, the cleaning process involves multiple steps using both reducer and thinner:

  • Begin by adding a few ounces of reducer into the paint gun cup.
  • Spray this reducer through the gun to help flush out initial paint residue.
  • Next, introduce some lacquer thinner into the cup.
  • Take a 1" bristle brush (the white, throw-away type) soaked in the thinner.
  • Use the thinner-soaked brush to thoroughly clean the inside of the cup, the outside of the cup, the cup lid and vent, the nozzle, and the air cap. Clean everything accessible with the brush.
  • Once brushing is complete, spray the thinner through the gun.
  • Finally, add clean thinner to the cup and repeat the spraying process until the gun is completely clean and no paint residue comes out.

This sequence of flushing with reducer, followed by brushing with thinner and spraying thinner through, helps ensure that both the internal passages and accessible external parts of the paint gun are cleaned effectively. Repeating the flush with clean thinner helps remove any remaining loosened pigment and solvent residue.

By following these steps, you can effectively clean your paint gun using thinner and reducer, preparing it for its next use.

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