FOREWORD
This manual is designed to serve as an instruction for the Operation & Maintenance of marine
propulsion engines (L136/T/TI/086TI) and marine auxiliary engines (AD136/T/TI/086TI), combined in
one book.
The first half is explained for operation and the latter half is described for maintenance like
disassembling, inspecting and re-assembling etc in order to help an understanding for the
maintenance procedure more easily.
To keep the best performance and the durability of engine 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.
Some figures of this manual may be different from the actual appearance of the engine
because of explaining them with the representative figure among these models.
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 manual instruction may be changed without prior notice for
some quality improvement. Thank you.
Sep. 2003
DOOSAN Infracore Co., Ltd.
Removal Adjustment
Installation Cleaning
Disassembly Pay close attention-Important
Reassembly Tighten to specified torque
Align the marks
Use special tools of manufatur’s
Directional Indication Lubricate with oil
Inspection Lubricate with grease
Measurement