Motor Power: 15 horse power. SE series refrigerated air dryer. LED dew point display, LED alarm code display, operation status indication. Constant pressure expansion valve & compressor automatic start / stop. Automatic control of condensing temperature / dew point temperature.Temperature sensor & inductive intelligent protection. Dimensions (L × W × H). 35'' × 23'' × 28'. For Air Brushing, Blow Cleaning, Bolting/Wrenching, Brad Nailing/Stapling, Cutting, Drilling, Finish Nailing, Framing Nailing, Grinding, HVLP Painting, Hobby Nailing, Hobby Painting, Inflation, Roof Nailing, Sanding, Spraying, Surface Prep? Every 50 hours or weekly --- Check oil level. -- Check intake filter, if necessary clean it. -- Drain condensation water from oil tank. Every 500 hours --- Check and adjust belt tension if necessary (belt driven only). Every 2000 hours --- Replace lubricants (for mineral lubricants oil) --- Replace oil filter. Every 4000 hours --- Replace lubricants (for synthetic lubricants oil) --- Replace oil separator --- Clean cooler for dirt. Replace filter element and lubricant after first 500 hours of operation. Use incorrect lubricant oil and spare parts will cause compressor damage, only use original manufacture oil and parts. The service life of compressor depends on the environment conditions such as dust, vent etc.