Preventive maintenance master schedule – Hypertherm HD4070 Rev.8 User Manual
Page 200
HD4070
Instruction Manual
5-53
7
Preventive Maintenance Master Schedule
Daily:
• Verify proper inlet gas pressure.
• Verify proper gas flow settings. – Mandatory at every consumable change.
• Verify proper coolant pressures and temperatures. – Water chillers only.
• 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
Monthly:
Jan
Feb
March
April
May
June
July
Aug
Sept
Oct
Nov
Dec
Bi-Annually:
Year
1st Service
2nd 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.
• Complete systems check per the preventive maintenance protocol.
Annually:
Year
• Complete systems check per the preventive maintenance protocol.
• Replace service parts per the service part replacement schedule.
• Complete systems check per the preventive maintenance protocol.
• Replace service parts per the service part replacement schedule.
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