Yanmar 4LHA-STP User Manual

Chapter 6 Cooling Water System
2. Sea Water Pump
2. Sea Water Pump
i 4LHA Series \
2-1 Sea water pump construction
The sea water pump has a rubber impeller. The sea water
pump is mounted to the gear case, and the drive gear on
the end of the sea water pump shaft meshes with the
camshaft gear to drive the pump.
Pump body
Pump shaft
Circlip
6-4

Yanmar 4LHA-STP Specifications

General

Number of Cylinders	4
Fuel System	Direct Injection
Engine Type	4-Stroke Vertical Water-Cooled Diesel Engine
Displacement	3.455 L
Bore x Stroke	100 mm x 110 mm
Aspiration	Turbocharged