DX380LC-7
Inspection, Maintenance and Adjustment
4-78
2.
Place a container under the radiator and open the drain
plug (Figure 117).
NOTE:
Dispose of drained fluids according to local
applicable environmental laws and regulations.
3.
Fill cooling system with a flushing solution.
4.
Run engine at low idle until coolant temperature gauge
reaches the "WHITE ZONE". Run engine for another ten
minutes.
5.
Allow engine to cool.
6.
Drain flushing fluid and fill system with water.
7.
Run engine again to allow water to completely circulate.
8.
After allowing engine to cool, drain water and fill system
with proper antifreeze mixture for ambient temperature.
Refer to coolant concentration table. See "Antifreeze
Concentration Tables" on page 4-93.
9.
Run engine without radiator cap and surge tank cap
installed, so all air will be purged from system. Fill radiator
to fill neck.
10. Drain and fill radiator coolant recovery tank.
DS2103953
Figure 117
