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David OnealAug 7, 2025
What to do if my Graco 16Y386 TrueCoat 360 DSP Paint Sprayer makes sound but no material is sprayed when trigger is pulled?
- JJoshua MartinAug 7, 2025
If your Graco Paint Sprayer makes a sound but isn't spraying material, several factors could be at play: * Ensure the sprayer is properly primed. * Make sure all air is out of the FlexLiner and the VacuValve is properly closed. * Verify the cup cover is securely tightened to the cup support, aligning the arrow on the cup cover within the indicator range on the cup support. * Check that the cup assembly is correctly locked onto the sprayer. * Confirm the VacuValve cap o-ring is installed on the cup cover and the cap is tightly secured.