RDG603A23
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Issue 20
Page 22 of 84
waterline all of the time for effective cooling.
Figure 6: Skin Tank Flow Diagram
Recommended Skin Tank Size
Engine
HP
KW
Skin tank
surface area m
2
Suggested
Height mm
Suggested
Length mm
90
90
67
2.15
952
2258
The skin tank size must be increased by up to approx 10% or a separate skin
tank installed to cool the hydraulic oil, if a hydraulic bow thruster is used. Please refer
to Section 5 - Installation, 21. Hydraulic Drive Transmission for further information
5. Engine Cooling Water Inlet and Outlet Hose Connections
The inlet is on the right hand (starboard) and the outlet is on the left hand (port) side of the
engine:
Engine
Size (mm)
Shire 90
45mm OD, inlet and Outlet
Use a good quality hose that cannot collapse or kink and is capable of working at temperature
in excess of 100°c.