Proper spray gun maintenance directly determines atomization quality, coating consistency, and equipment lifespan. Whether you are using an air spray gun or a refinished painting LVLP spray gun, ignoring small maintenance details can lead to expensive repairs and poor surface finishes.
Mistake 1: Incomplete Cleaning After Each Use
Many operators only rinse the paint cup but forget internal passages. Paint residue hardens inside the nozzle and fluid needle, restricting airflow and affecting atomization. Always disassemble key components and use appropriate cleaning solvents immediately after spraying.
Mistake 2: Using Incorrect Cleaning Tools
Metal brushes or sharp objects can damage precision parts. Even a high-quality air spray gun can lose spray pattern accuracy if the nozzle is scratched. Use manufacturer-approved soft brushes and cleaning kits designed for refinished painting LVLP spray gun systems.
Mistake 3: Poor Lubrication Practices
Failing to lubricate moving parts causes trigger stiffness and air leakage. Apply specialized spray gun lubricant to the needle packing and trigger pivot points regularly to maintain smooth operation.
Mistake 4: Improper Storage Environment
Humidity and dust contamination corrode internal components. Always store the gun in a clean, dry cabinet and release air pressure before storage.
Mistake 5: Ignoring Worn Parts
Worn seals, needles, and nozzles reduce transfer efficiency and create uneven coatings. Replace consumable parts periodically to maintain professional results.
By avoiding these five mistakes, painters can extend equipment life, reduce downtime, and maintain flawless finishes.
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