Over time, moisture builds up inside the tank from the stored compressed air, which needs to be drained. The more frequently you use your compressor, the more moisture builds up, which can lead to corrosion inside the tank.See: How to drain moisture from RYOBI Air Compressor tank
Do not exceed the pressure rating of any component in the system.
Check hoses for weak or worn condition before each use, making certain all connections are secure. Do not use if defective.
Keep the exterior of the Air Compressor dry, clean and free from oil and grease. Always use a clean cloth when cleaning. Never use brake fluids, petroleum-based products or any strong solvents to clean the unit.