Hypertherm HD4070 Rev.1 - Manual (Page 215)

5-52 HyPerformance HD4070 Instruction Manual
MAINTENANCE
Preventive Maintenance Master Schedule
Daily:
• Verify proper inlet gas pressure.
• Verify proper gas flow settings. – Mandatory at every consumable change.
• Inspect torch and replace consumables as needed.
Weekly:
Week Jan Feb March April May June July Aug Sept Oct Nov Dec
1
2
3
4
5
Bi-Annually:
Year 1 st Service 2 nd Service
• Clean power supply with dry, oil free compressed air or vacuum.
• Verify cooling fans are working properly.
• Clean torch threads and current ring.
• Verify proper coolant level.
Annually:
Year
• Replace service parts per the Service Part Replacement Schedule.
• Replace service parts per the Service Part Replacement Schedule.