This Service Manual is for The ONAN DJB DJBA DJBE DJBC Series Diesel Engines. It provides specific mechanical and electrical information essential for troubleshooting, servicing, repairing, and overhauling the engine. The disassembly section includes major overhaul procedures for step-by-step removal, disassembly, inspection, repair, and assembly of the engine components.
Utilize the table of contents for 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, with right and left sides determined by viewing the engine from the front.
The wiring diagram demonstrates how the electrical components are interconnected.
