Service Manual’s also called Shop and Repair Manuals are books printed from the builder. The manuals contain extensive instructions to diagnose and fix the specific product. The manuals are very detailed and would usually contain comprehensive servicing instructions and procedures, removal and installing procedures, dissassembly and assembly, and overhaul procedures, diagnosis and testing procedures & detailed illustrations. These are the same manuals the techs use.
Parts Catalog’s also called Parts Manuals are handbooks published by the product producers showing a complete list of the product producers parts or assembly for the certain item by detailed illustration or a numerical listing of the part numbers and names. It doesn’t contain any assembly, maintenance, or operating directions.
Owners Manual’s also called Operator/Operating & Instruction Manuals are book’s printed by the makers accompanying the specific product detailing how to install or operate the exact product, safety instructions and warranty info.