How to Maintain and Repair Our compressors have operating and maintenance instructions, as well as maintenance and repair videos. Customers can follow the maintenance video and replace accessories. If you are not sure, you can contact our online customer service staff. Our Warranty For the main components of the compressor, we offer a 12-month warranty after shipment. If the main parts are damaged under normal use, we will send you international express for free, and the customer will complete the installation and maintenance under our guidance. The main components include: motor, crankcase, cylinder, crankshaft, connecting rod, piston, fan, bearing and other main components. Among them, wearing parts, various sealing rings and guide rings are not included. Our Delivery Date Generally, the delivery time of our products is 30-40 days after receiving the advance payment, 45 days for W model, 60 days for SW department, and 90 days for vertical model.