RDG603A13
– Issue 19
Page 45 of 97
No additional restriction to engine coolant flow is present.
For Canal Boats:
Skin tanks will also need to be increased by up to approx. 10% to dissipate the additional
heat generated, when a hydraulic drive system or hydraulic bow thruster is used.
An additional separate skin tank of suitable capacity with separate water circulating pump will
need to be fitted for a hydraulic drive transmission
Hydraulic oil coolers should be installed after the engine, not before. Coolers
that are installed before the engine will invalidate the engine warranty.
For Work Boat / River Boat:
Hydraulic oil coolers should be installed in the seawater cooling system after
the engine and before the water cooled exhaust injection elbow. They must not be
installed before the engine. Coolers that are installed before the engine will invalidate
the engine warranty.