news & press

  Airless spraying is a versatile and efficient method of applying paint to a variety of surfaces, providing quick, even, and efficient coverage. The Rongpeng airless sprayer R450 is highly recommended. In this guide, we'll explore some common problems encountered during airless spraying and discuss effective troubleshooting strategies for professional results. These guidelines will also be helpful for the Rongpeng R450.

Spray Pattern and Flow Issues
Bad Spray Pattern: A spray pattern with tails or fingering is often due to low pressure. To fix this, increase the pump pressure or adjust the spray tip size. Using the correct tip for your paint type and viscosity is crucial for a smooth finish.

Spitting: This issue, where the sprayer spits paint, usually indicates low fluid supply or air trapped in the pump. Check the container for refills and inspect connections for leaks or blockages.

Clogging: Frequent clogging of the spray tip is typically caused by paint contamination. Straining the paint before use and regularly cleaning filters can prevent this problem.

Paint Won't Shut Off: If the airless paint sprayer fails to shut off, it might be due to a dirty seat in the spray gun or a worn valve assembly. Cleaning or replacing these components is essential.

Pressure and Pump Performance Problems
Low Paint Pressure: This can result from clogged tips or filters. Clean or replace these parts to restore adequate pressure. Also, check for air leaks in the suction hose.

Pump Doesn't Build Pressure: If the pump operates but doesn't build pressure, inspect the ball check and inlet valve. These components might need replacing if they're faulty.

Large Pressure Drop: Using a hose with too small a diameter can cause significant pressure drops. Switching to a larger diameter hose can resolve this issue.
Electrical and Operational Failures

Motor Stops Unexpectedly: This might be due to power issues. Check for tripped thermal breakers or blown fuses, and reset the overload switch if necessary.

Sprayer Doesn't Start: Verify that the ON-OFF switch is in the "ON" position and that the unit is plugged in. Also, check the voltage supply and ensure it matches the sprayer's requirements.

Priming and Fluid Delivery Issues

Sprayer Doesn't Prime: Ensure the suction tube is fully immersed in the paint. Check for dried packings or stuck ball valves, and clean or replace them as needed.

Fluid Leakage: Leakage from the relief hole often signals worn O-rings. Repack or replace the transducer to prevent further leaks.

Maintenance and Repair Tips
Regular maintenance is the key to preventing many of these problems. Clean the airless spray machine after each spraying session, flush with water or a suitable solvent, and lubricate moving parts with a suitable oil. Store the sprayer in a dry place to avoid moisture damage. Frequently check hoses, fittings, and nozzles for wear and replace immediately if any damage is found.