This owner manual covers the CRAFTSMAN 921.153101 Air Compressor, an electric-powered unit designed for various applications. Featuring a 1 HP oil-lubricated induction motor, it delivers up to 135 PSI with a 3-gallon tank capacity. The compressor provides 4.7 CFM at 40 PSI and 3.8 CFM at 90 PSI, with a 50% duty cycle, making it a reliable tool for demanding tasks. Its robust construction and efficient operation underscore its engineering quality.

This manual provides comprehensive guidance for the operation, maintenance, and care of your CRAFTSMAN 921.153101 Air Compressor. It includes detailed information on safety precautions, setup procedures, routine maintenance tasks such as oil changes with SAE 30 Non-Detergent Oil, and troubleshooting common issues. Technical specifications, including voltage, frequency, and component details like the single-stage pump and adjustable regulator, are also presented. Adhering to the guidelines within this manual will help ensure the longevity and optimal performance of your air compressor.