Doosan P158LE, P180LE, P222LE, PU158TI, PU180TI, PU222TI — FOREWORD

FOREWORD This manual is designed to serve as an instruction for Diesel generator engine and Power Unit engine of DOOSAN series (P158LE /P180LE /P222LE, PU158TI/ PU180TI/ PU222TI). The engines are 4 strokes, 2 valves per cylinder, V-type, and direct injection mode and thus, are also satisfying with various features required as generator and power unit engine such as quiet operation, economical fuel consumption, durability in high speed operation and so forth. We are very confident that these engine series are quite superior to any high speed engines in economy and administration of periodic inspections and maintenance should be observed. Readers are desired to know for efficiency.

However, high performance and long life cycle will be accomplished when a proper handling and your reference that those kinds of maintenance matters are explained here in detail by means of figures and diagrams. In this manual, the following symbols are used to indicate the type of service operations to be performed.

Removal Adjustment Installation Cleaning Disassembly Pay close attention-Important Reassembly Tighten to specified torque Align the marks Use special tools of manufacturer's Directional Indication Lubricate with oil Inspection Lubricate with grease Measurement If you have any question or recommendation in connection with this manual, please do not hesitate to contact our head office, dealers or authorized service shops near by your location for any services. For the last, the contents of this instruction manual may be changed without prior notice for some quality improvement. Thank you. Doosan Infracore Co., Ltd. Jan. 2008