Onan MJB Engine Service Repair Maintenance OVERHAUL Shop Manual 967-0757

This Service Manual is designed for the ONAN MJB MJC RJC series engines. It contains specific mechanical and electrical information essential for engine mechanics to troubleshoot, service, repair, or overhaul the engine. The table of contents provides a quick reference to the separate engine system sections. For parts identification and proper location on assemblies, refer to the separate Parts Catalogs available at the dealer level. The TROUBLESHOOTlNG GUlDE offers a quick reference for locating and correcting engine trouble. The illustrations and procedures in each section are applicable to the engines listed on the cover. Note that the front end of the engine is the flywheel end, and right and left sides are determined by viewing the engine from the front. The disassembly section includes major overhaul procedures for step-by-step removal, disassembly, inspection, repair, and assembly of the engine components. Additionally, the wiring diagram illustrates how the electrical components are interconnected.