Plasma system maintenance
Hypertherm® cutting systems can operate in harsh conditions for many years. To maintain cutting system performance, minimize operating costs, and lengthen cutting system life, it is important to follow all maintenance procedures and schedules.
If you have questions about how to maintain your cutting system, contact your cutting machine supplier or regional Hypertherm Technical Service team. You can find contact information for your regional office at www.hypertherm.com on the "Contact us" page.
- For instructions about preventive maintenance (such as weekly, monthly, and yearly tasks) refer to the XPR Preventative Maintenance Program (PMP) Instruction Manual (809490).
- For recommendations about how to diagnose and troubleshoot performance issues, refer to Diagnostics and Troubleshooting.
- For Printed Circuit Board (PCB) drawings and Light Emitting Diode (LED) locations, refer to Plasma power supply power distribution PCB (141577) diagram.
Refer to this table for a list of preventive maintenance steps. The XPR Preventative Maintenance Program (PMP) Instruction Manual (809490) explains how to do them.
Usually, operators can do the daily, weekly, and bi-monthly tasks, but qualified maintenance personnel are needed for monthly, every-6-month, and yearly tasks.
| Maintenance task or activity | Daily | Weekly | Monthly | Every 6 months |
|---|---|---|---|---|
| Do a test of the inlet pressures | X | |||
| Examine all of the air filters | X | |||
| Do a check of the coolant level and condition | X | |||
| Examine and lubricate O-rings | X | |||
| Examine the water tube and torch | X | |||
| Examine hoses, cables, and leads | X | |||
| Do tests for gas leaks | X | |||
| Do a check of the coolant flow | X | |||
| Clean inside the plasma power supply | X | |||
| Examine the contactors | X | |||
| Examine the pilot-arc relay | X | |||
| Examine the coolant system | X | |||
| Do the coolant flow test | X | |||
| Examine the gas line connections | X | |||
| Examine the hoses | X | |||
| Examine the cables | X | |||
| Examine the ground connections | X | |||
| Examine the table-to-workpiece connection | X | |||
| Replace the coolant and coolant filter, and clean and examine the pump screen and coolant check valve | X |