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Maintenance
Tasks for one-day intervals
Examine the gas regulators
Before cutting system operation, examine the regulators on the supply gases to make sure that the pressures and flow rates are correct. Adjust the regulators on the supply gases, if necessary.

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Maintenance
- Overview of cutting system maintenance
  Hypertherm® cutting systems can operate in harsh conditions for many years. For satisfactory cutting system performance, decreased operation costs, and longer cutting system life, it is important to do all maintenance procedures on schedule.
- References for cutting system maintenance
- Remove the power from the cutting system
  It is necessary to remove the power from the cutting system for many procedures.
- Cleaning and inspection schedule for preventive maintenance
  The cleaning and inspection schedule for plasma cutting systems shows the intervals of preventive maintenance tasks.
- Tasks for one-day intervals
  - Do a test of the inlet pressures
    While the gas flows, do a test of gas pressures in preflow, cutflow, and pierceflow modes to find if the incoming gas pressure is in a range that complies with the inlet-pressure requirements for your cutting system.
  - Examine the gas regulators
    Before cutting system operation, examine the regulators on the supply gases to make sure that the pressures and flow rates are correct. Adjust the regulators on the supply gases, if necessary.
  - Examine the shield-water regulator (if applicable)
    Before cutting system operation, examine the regulator on the shield water supply to make sure that the pressure and flow rate are correct. Adjust the regulator on the water supply, if necessary.
  - Examine the air filter
  - Examine the connections between the system components
  - Examine the coolant condition and level
    Examine the coolant condition and level in the plasma cutting system. Replace contaminated coolant. Add coolant if the level is low.
  - Maintenance for torch and consumable parts
  - Examine the torch lead
    Examine the torch lead for signs of damage or loose connections. Make sure that the torch lead obeys bend-radius requirements in the instruction manual that came with your cutting system.
- Coolant maintenance
  If the Computer Numerical Control (CNC) alerts you that the coolant level is low, remove the power from the cutting system and refill the coolant reservoir immediately.
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Examine the gas regulators

Before cutting system operation, examine the regulators on the supply gases to make sure that the pressures and flow rates are correct. Adjust the regulators on the supply gases, if necessary.

Make sure the gas pressures and flow rates are within the recommended range.

Refer to Gas quality, pressure, and flow requirements.
Adjust the regulators on the supply gases, if necessary.