This manual pertains to Atlas Copco portable air compressors, specifically the XA146Dd, XAS146DD, and XAHS106DD models. These units are engineered with robust diesel engines, designed for reliable performance in demanding operational environments. While specific production years are not detailed, the focus is on the inherent quality and operational efficiency characteristic of Atlas Copco equipment.

The purpose of this English instruction manual is to provide comprehensive guidance for the operation, maintenance, and troubleshooting of these air compressor models. It covers essential areas including periodical inspections, detailed maintenance procedures, electrical wiring diagrams, schematics of regulating systems, and explanations of operational functions. This resource is intended to assist owners, mechanics, and technicians in effectively maintaining and repairing the equipment, ensuring its continued optimal performance and longevity.