It’s no secret that quality refinishing tools can be an investment. But the good news is that with proper care, your refinishing tools are sure to recoup the cost and bring in value to your refinishing business. When you take good care of your equipment, you can add two to three more years onto the life of your tools, maximizing the overall life of your refinishing equipment.

napco spray gun

One of the most important pieces of equipment you own as a refinisher is your spray gun, and cleaning it is one of the most important preventative measures you can take. If you don’t properly clean your gun, your gun won’t spray evenly, resulting in uneven finishes and lower quality work. As a professional refinisher, it is critical to keep your refinishing spray guns in good working order. Follow these three tips below to keep your spray gun working properly.

Cleaning Care

napco spray gun cleanerThe #1 thing you can do to maximize the life of your is to clean it as much as possible. Make it a habit to clean your gun as soon as you’re done with your job so that you don’t have to worry about it later on. Simply pour out any unused material from the gun then pour a small amount of On the Spot Gun Spray Cleaner into a quart cup, or roughly 4-6 ounces. Shake and spray the gun with the cleaner on all settings until emptied. Repeat these steps until the solvent looks clear, then wipe out the cup and the outside of the gun with On the Spot Gun Cleaner, including the air cap, nozzle, and the swivel tube. Clean and dry the check valve after each use.


Inspect the check valve, valve seal, air tubes, and the cup gasket weekly to ensure they’re still in good condition. We also recommend keeping spares of these parts on hand so if any are worn or clogged to the point of being unusable, you can simply replace at your weekly checkup and immediately order a backup replacement.

Proper Parts and Upkeep

There’s no need to remove the packing when changing out a needle – the only time you might need to remove the packing is when you have a leak in your gun and adjusting the packing nut doesn’t stop the leak. If this happens, you’ll need to remove the old packing and replace it with new packing.*If you’re using a PPS, be sure to have extra lids and liners on hand in case you run low! However, there’s no need to have extra air tubes, check valves, or cup gaskets on hand as they’re no longer needed.


Cleaning and preventative maintenance can make a huge difference in maximizing the life of your refinishing spray gun, especially in conjunction with NAPCO’s On the Spot Gun Spray Cleaner. Our methylene chloride- free gun cleaner is specifically formulated to immediately remove any residual paint from your gun, in addition to removing any overspray. Don’t get caught at the job with a non-functioning spray system or gun. NAPCO also offers the best bathroom and kitchen refinishing equipment to keep your business running smoothly. We offer HVLP spray systems, spray guns, fume exhausters, heat funs and repair kits, in addition to your coatings and cleaners. Stock up on the spare parts and refinishing equipment you need to keep you up and running!