Service Manual’s also called Shop and Repair Manuals are guides published by the product producers. The service repair manuals include complete directions to diagnose and repair the certain item. The service repair manuals are very detailed and would usually contain comprehensive servicing information and procedures, removing and installing procedures, dissassembly and assembly, and overhaul procedures, diagnosis and testing procedures & detailed illustrations. These specific service manuals are the same exact manuals the technician use.
Parts Catalogs also called Parts Manuals are hand books available by the product producers showing a complete listing of the manufacturer parts or assembly for the particular item by complete in-depth illustration or a numerical listing of the part numbers and names. It doesn’t outline any assembly, maintenance, or owners directions.
Owners Manual’s also called Operator/Operating and Instruction Manuals are hand guides published from the makers accompanying the specific item detailing how to install or operate the specific item, safety directions and warranty info.