APPENDIX A-4 Manual 0-2898
APPENDIX 4: MAINTENANCE SCHEDULE
This schedule applies to all types of non-liquid cooled plasma cutting systems. Some systems will not have all the
parts listed and those checks need not be performed.
NOTE
The actual frequency of maintenance may need to be adjusted according to the operating environment.
Daily Operational Checks or Every Six Cutting Hours:
1. Check torch consumable parts, replace if damaged or worn.
2. Inspect torch for any cracks or exposed wires, replace if necessary.
3. Check plasma and secondary supply and pressure/flow.
4. Purge plasma gas line to remove any moisture build-up.
5. Inspect input power cable for damage or exposed wires, replace if necessary.
Weekly or Every 30 Cutting Hours:
1. Check fan for proper operation and adequate air flow.
2. Blow or vacuum dust and dirt out of the entire machine.
CAUTION
Do not blow air into the power supply during cleaning. Blowing air into the unit can cause metal particles to
interfere with sensitive electrical components and cause damage to the unit.
Six Months or Every 720 Cutting Hours:
1. Check the in-line air filter(s), clean or replace as required
2. Check cables and hoses for leaks or cracks, replace if necessary.
3. Check all contactor points for severe arcing or pits, replace if necessary.
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