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Preventive maintenance master schedule – Hypertherm HD4070 Rev.8 User Manual

Page 200

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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.