Quick Fix: Tapping the Fluid Section
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At 4:41 in
How To Fix An Airless Sprayer That Is Not Priming.
What happens here
If the previous steps of disassembly and manual cleaning are too messy or inconvenient, especially with a sprayer loaded with paint, try a quick alternative solution. While the sprayer is running and attempting to prime, lightly tap the fluid section with a hammer. The vibration from these light taps can often dislodge small pieces of debris, allowing the ball check valve to re-seat and the sprayer to prime. This method is preferred if the obstruction is minor, as it avoids spilling paint during disassembly.
Goal: Dislodge minor obstructions without disassembling the fluid section.
Tools and materials
- Airless Paint Sprayer Graco — The sprayer being serviced
- Hammer — Lightly tapping the fluid section to dislodge debris
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