Engine Coolant Flow; Engine Coolant - Hyundai Seasall D170s Installation & Operation Manual

INSTALLATION & OPERATION MANUAL
3. ENGINE COOLANT FLOW – CLOSED COOLING CIRCUIT
 THERMOSTAT OPENED

3.1 ENGINE COOLANT

1) The high-pressure cooling system has a reservoir
filled with year-round antifreeze coolant. The
reservoir is filled at the factory.
2) The coolant level should be between MAX and MIN
marks on the side of the coolant reservoir when the
engine is cool.
D170 and D150 Series Engines
① Engine coolant outlet
Thermostat open(opening temp 85℃)
② Heat exchanger
③ Engine coolant inlet
-22-
↓
④ Expansion tank
↓