Hyundai HL970A Operator's Manual page 228

(3) (3) Cooling system filling Cooling system filling
①
Use a mixture of 50 percent soft water and 50
percent ethylene glycol antifreeze to fill the
cooling system. Refer to the page 6-9.
※
Never use water alone for coolant. Never use water alone for coolant.
This can result in damage from corrosion. This can result in damage from corrosion.
※
Do not use hard water such as river water or Do not use hard water such as river water or
well water. well water.
②
The system has a maximum fill rate of 19 liters
(5.0 U.S. gallons) per minute.
Do not exceed this fill rate.
※
The system must be filled slowly to prevent The system must be filled slowly to prevent
air locks. air locks.
During filling, air must be vented from the During filling, air must be vented from the
engine coolant passage. engine coolant passage.
③
Install the cap. Operate the engine until it reach-
es a temperature 80˚C (176˚F), and check for
coolant leaks.
Check the coolant level again to make sure the
system is full of coolant.
50%
WATER
50%
ANTIFREEZE
6-22
SIGHT GAUGE
50%
WATER
50%
ANTIFREEZE
7707A6MI15
Thermostat
2609A6MA43
F u
e l
t a n
k
NOT OK
770F6MI18