Operation and Maintenance Manual
of WP12C Series Marine Diesel Engine
1.5. Weichai special oil for different engine models
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1.6 How to choose appropriate viscosity
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2.Precautions for Installation of WP12C
Series Marine Diesel Engine
2.1 Installation of Diesel Engine
WP12C Series marine diesel engine can be used in matching with
SAE I flywheel housing marine gear case
ˈ
when installing, ensure the
coaxiality of diesel engine crankshaft with gear case input shaft. The
elastic coupling is used to connecte the diesel engine with gear case
ˈ
and after coupling is butt-joined
ˈ
no axial force is allowed to act on the
diesel engine crankshaft
ˈ
otherwise it will damage the thrust washer of
diesel engine.
2.2 Installation of Air Inlet System
The diesel engine air inlet should be arranged at the outside of the
engine compartment so as to ensure the fresh air is provided for diesel
engine. It is required to reduce elbow quantities of diesel engine intake
pipe as much as possible, and use large arc transition. The air inlet filter
should be provided with an additional protective cover to prevent the
water and dirty things from getting into diesel engine.
2.3 Installation of Exhaust System
The external exhaust pipe should be made of steel, excessive elbows
should be avoided
ˈ
the external exhaust pipe should be firmly fixed on
the ship hull
ˈ
and it is not allowable to have vibration
ˈ
and its weight
should not be exerted on diesel engine expansion pipes.
After completion of the exhaust system installation, it is required the
exhaust pipe back pressure of diesel engine should not be greater than
6KPa
ˈ
otherwise it will affect the diesel engine performance. As the
exhaust pipe surface temperature is relatively high during operation of
diesel engine
ˈ
so it should be avoided to install exhaust pipe near
flammable objects. In order to prevent any accidents of injuring working
personnel, it is required to add heat insulation device on the external
exhaust pipe surface.
2.4 Installation of Cooling System
Operation and Maintenance Manual
of WP12C Series Marine Diesel Engine
Summary of Contents for WP12C350
Page 1: ......
