news & press

  The Air spray gun is an essential tool in various industries such as automotive painting, furniture finishing, and construction. Proper maintenance of the spray gun not only ensures the quality of the spray finish but also extends the service life of the tool. Here are some detailed steps on how to maintain a spray gun.

1. Cleaning after each use
One of the most crucial steps in spray gun maintenance is thorough cleaning after every use. Paint or coating residues can harden and clog the gun if not cleaned promptly. First, for gravity-fed guns, remove the paint cup and pour out the leftover paint.Then, use a suitable cleaning solvent.For oil-based paints, mineral spirits or turpentine can be used. For water-based paints, warm soapy water is often sufficient. Immerse the front end of the gun only in solvent until the solvent just covers the fluid connection.Use a bristle brush and solvent to wash off accumulated paint.Do not immerse the entire gun in solvent. This will cause lubricants to dissolve and packing to dissolve and dry out.Dirty solvent may also clog the small narrow passages in the gun.Flush the gun through with clean thinners.Wipe the outside of the gun with a dampened solvent rag.

Use a soft brush to gently scrub the parts. A toothbrush or a small paintbrush can be used to clean the nozzle and other small components. Be careful not to damage the delicate parts such as the needle and air cap. After scrubbing, rinse all the parts with clean solvent to remove any remaining paint and cleaning residue. Make sure that all the parts are completely dry before reassembling the gun.

2. Lubrication
Proper lubrication is necessary to ensure the smooth operation of the spray gun. The moving parts of the gun, such as the trigger mechanism and the needle assembly, need to be lubricated regularly. You should choose a thinner, silicone-free lubricant.Apply a small amount of lubricant to the moving parts. For the trigger, apply the lubricant to the pivot points and the trigger itself. For the needle assembly, apply it to the needle bearing and other contact surfaces. After lubricating, work the trigger and other moving parts to distribute the lubricant evenly. Excess lubricant should be wiped off to prevent it from attracting dirt and paint residues.
3. Storage
Proper storage of the spray gun is also important. After cleaning and lubricating, store the gun in a clean and dry place. It should be kept away from direct sunlight and extreme temperatures. High temperatures can cause the lubricant to dry out and the materials of the gun to expand, while low temperatures can make the materials brittle.
You can store the spray gun in a dedicated gun case or a tool cabinet. If you have multiple spray guns, make sure they are stored separately to avoid damage caused by collision. Also, it's a good idea to keep a record of the maintenance and inspection of the spray gun, including the date of cleaning, lubrication, and any parts replacement. This will help you keep track of the gun's condition and plan for future maintenance.
4. Professional maintenance
In addition to the regular maintenance you can do yourself, it's also recommended to have the spray gun professionally maintained from time to time. A professional technician can perform a more comprehensive inspection and maintenance of the gun.
Professional maintenance can also include calibration of the spray gun. Over time, the settings of the gun may change due to wear and tear. A professional can calibrate the gun to ensure that it sprays the correct amount of paint and has the right air pressure, which is crucial for achieving a high-quality finish.
Proper maintenance of the spray gun is a continuous process that requires attention to detail and regular effort. By following the above steps, you can keep your spray gun in good working condition, ensure the quality of your spray work, and save money on the replacement of the gun in the long run.

We have lots of auto repair products, welcome to contact us
https://www.rongpeng.com
For more information you can contact with Whatsapp:+86 13906596225