Hyundai HL955 Manual page 43

3) 3) COOLING SYSTEM COOLING SYSTEM
1 Coolant inlet from radiator and aftertreatment diesel
exhaust fluid (DEF) dosing valve and DEF tank
2 Water pump lmpeller
3 Coolant flow past lubricating oil cooler
4 Coolant flow past cylinders
5 Coolant flow from cylinder block to cylinder head
6 Coolant flow between cylinders
1 Air compressor coolant supply line
2 Air compressor coolant return to coolant inlet connection
7 Coolant flow to thermostat housing
8 Thermostat open - bypass passage closed
9 Coolant flow back to radiator
10 Thermostat closed - bypass passage open
11 Coolant bypass passage in cylinder head
12 Coolant flow to water pump inlet
2-6
7609A2EG16
760F2EG17