This workshop manual provides service and maintenance information for the 03-M-DI-E2B series diesel engine. It is divided into three parts covering general information, mechanism, and servicing procedures. The general section includes identification, precautions, and maintenance checks. The mechanism section describes the engine construction and functions. The servicing section provides troubleshooting, specification lists, disassembly and assembly procedures, and other servicing information. Safety instructions are also included at the beginning.