This Operation and Maintenance Manual provides information on engine management and maintenance
techniques to customers and technicians of Doosan Infracore's D18NAP electronically controlled industrial diesel
To provide the best engine to our customers, the D18NAP electronically controlled industrial diesel engine is
designed to satisfy all requirements for low noise, economic fuel consumption, high speed and durability with the
latest technology and quality.
Exact operation and proper maintenance are essential for operating engines for an extended time with optimum
conditions and best performance. This Operation and Maintenance Manual provides detailed descriptions of
specifications, specified values, defect diagnosis, component diagrams, and drawings for easier and more precise
understanding of the product and for proper maintenance and troubleshooting.
With the help of the recommended operation methods and procedures, high-level maintenance techniques and
safety of workers can be ensured. Please read and understand this manual before working with our engines.
To ensure best performance and quality as well as to enhance maintenance techniques, Doosan Infracore is
doing it's best to continuously develop and invest. The design of our product may be changed without prior
notice and Doosan shall not be held liable for the failure of this manual to contain all the design changes made
to improve the product.
We, Doosan Infracore, do our best to provide more convenient and safe maintenance techniques and to meet
the requirements of our customers.
If you have any questions or find any errors in this Operation and Maintenance Manual, please do not hesitate
to contact us.
Thank you for purchasing our engine and we hope this Operation and Maintenance Manual be helpful for you.
※ The contents included in the Operation and Maintenance Manual are property of Doosan Infracore. It is
forbidden to copy, print or distribute this manual without prior permission.
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