Hyundai Robex 130 SMART Operator's Manual page 120

Hydraulic excavator
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Operate the engine for 5 minutes with the
coolant temperature above 80 C(176 F) .
Shut the engine off, and drain the cooling
system.
If the water being drained is still dirty, the
system must be flushed again until the water
is clean.
(3)
Cooling system filling
Use a mixture of 50 percent water and 50
percent ethylene glycol antifreeze to fill the
cooling system.
Coolant capacity(engine only) : 6 (1.6U.S.
gallons)
Use the correct amount of DCA4 corrosion
inhibitor to protect the cooling system.
The system has a maximum fill rate of 14
liters(3.5U.S. gallons) per minute.
Do not exceed this fill rate.
The system must be filled slowly to prevent
air locks.
During filling, air must be vented from the
engine coolant passage.
Install the pressure cap. Operate the engine
until it reaches 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.
START
ON
OFF
6-22
21076MA10
DCA
18036MI22
21076MA57
NOT OK
21076MA10A

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