Onan RDJC Generator Service Repair Maintenance OVERHAUL Shop Manual 974-0503

This Service Manual is designed for The ONAN RDJC series Generator GenSets. 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. Additionally, separate Parts Catalogs are available at the dealer level for parts identification and their proper location on assemblies. 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. Please note that the front end of the engine is the flywheel end, and the 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. Furthermore, the wiring diagram illustrates how the electrical components are interconnected.