Hypertherm HD4070 Rev.8 - Manual (Page 151)

MAINTENANCE
5-4 HD4070 Instruction Manual
7
Power Supply Coolant System Servicing
4070.40A
Check that the drain valve is closed.
1
Add coolant to the power supply until the sight
gage indicates full. 2
Replace the filter cap. 3
Caution
Use Hypertherm coolant (028872) to reduce the risk of damage from
freezing and to prevent long-term corrosion.