DV11
Operation and Maintenance
Printed in Mar. 2005 PS-MMA0608-E1A
FOREWORD
This maintenance manual is designed to serve as a reference for DOOSAN Infracore (here
after DOOSAN’s) customers and distributors who wish to gain basic product knowledge on
DOOSAN's DV11 Diesel engine.
This economical and high-performance diesel engine (6 cylinders, 4 strokes, in-line, direct
injection type) has been so designed and manufactured to be used for the overland transport
or industrial purpose. That meets all the requirements such as low noise, fuel economy, high
engine speed, and durability.
To maintain the engine in optimum condition and retain maximum performance for a long
time, CORRECT OPERATION and PROPER MAINTENANCE are essential.
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
During engine maintenance, please observe following instructions to prevent environmental
damage;
z Take old oil to an old oil disposal point only.
z Ensure without fail that oil and diesel fuel will not get into the sea or rivers and
canals or the ground.
z Treat undiluted anti-corrosion agents, antifreeze agents, filter element and
cartridges as special waste.
z The regulations of the relevant local authorities are to be observed for the
disposal of spent coolants and special waste.
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 content of this maintenance instruction may be changed without notice for
some quality improvement. Thank you.
Apr. 2005
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