Hypertherm HD4070 Rev.1 - Manual (Page 124)

2-TORCH INSTALLATION
3B-24 HyPerformance 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.