This manual is designed for ONAN DJA Series engines, which are four-cycle, vertical, air-cooled diesel-fueled engines featuring overhead valves. It contains specific mechanical and electrical information essential for engine mechanics to troubleshoot, service, repair, or overhaul the engine.
Users can utilize the table of contents for quick reference to the separate engine system sections. Additionally, separate Parts Catalogs are available at the dealer level for parts identification and establishing their proper location on assemblies.
The TROUBLESHOOTlNG GUlDE offers a quick reference for locating and correcting engine trouble. The illustrations and procedures presented in each section are applicable to the engines listed on the cover.
It's important to note that the front end of the engine is the flywheel end, so right and left sides are determined by viewing the engine from the front.
The disassembly section contains major overhaul procedures for step-by-step removal, disassembly, inspection, repair, and assembly of the engine components. Additionally, the wiring diagram demonstrates how the electrical components are interconnected.
