Tech Tip - Graco Fusion AP Mixing Chambers

Posted By DEMILEC || 28-Mar-2013

Graco Fusion AP mixing chambers canbe damaged or broken during foam processing.

The sprayer should focus on two areas or the gun if the mixing chamber breaks.

spray gun end1. Make sure the air cap is installed correctly. The front of the mixing chamber should be flush with the face of the air cap. If the mixing chamber is protruding past the air cap face, you will need to replace the air cap. This can cause the air cap to hit the front of the black fluid housing and cause damage to the gun.

black spray gun

2. Make sure the Black Fluid housing is attached correctly to the silver gun handle. If the black fluid housing is not attached tight to the handle this can cause mixing chambers to break and also cause damage and wear to the gun.

As always read, understand and follow all instruction manuals and warning labels supplied with all equipment. Only trained and qualified personnel should perform repairs on the equipment. To access the latest equipment manuals visit

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