This document is a service manual for the Case 1150M Tier 2 Crawler Dozer that provides instructions for repair and maintenance of the dozer. It includes sections on the engine, hydrostatic drive, brakes and controls, hydraulic systems, tracks and track suspension, cab climate control, electrical systems, dozer blade and arm, and platform, cab, bodywork, and decals. The manual emphasizes that repair and maintenance should only be performed by qualified dealership personnel using the instructions and special tools provided.