Hypertherm HD4070 Rev.8 - Manual (Page 86)

1-TORCH INSTALLATION
7
3A-24 HD4070 Instruction Manual
Fill the Power Supply with Coolant
4070.40A
Check that the drain valve is closed. 1
Add coolant to the power supply until
the sight gauge indicates full. 2
Replace the filler cap. 3
Caution
Use Hypertherm coolant (028872) to reduce the risk of damage from
freezing and to prevent long-term corrosion.