This manual covers the Yanmar TNV series engine injector pump and injector nozzle, specifically detailing the YPD-MP2 and YPD-MP4 pump models. These fuel injection units are integral components designed for robust performance and reliability within the Yanmar TNV diesel engine lineup. The engineering quality of these systems ensures efficient fuel delivery and optimal engine operation, contributing to the overall durability and effectiveness of the engines they serve.

The purpose of this manual is to provide comprehensive guidance for the servicing of these fuel injection units. It details essential procedures including disassembly, reassembly, and adjustment for the YPD-MP2 and YPD-MP4 pump models. This document serves as a vital resource for technicians and mechanics, enabling them to perform maintenance and repairs accurately, thereby ensuring the continued optimal performance and longevity of the Yanmar TNV series engines.