Hypertherm XPR Series

XPR Instruction Manual 809490 7
Contents
Preventive Maintenance Program.......................................................................................... 11
Overview ............................................................................................................................................................... 11
Cleaning and inspection schedule.................................................................................................................. 12
Daily............................................................................................................................................................ 13
Do a test of the inlet pressures................................................................................................ 13
Examine all of the air filters........................................................................................................ 13
Do a check of the coolant level and condition...................................................................... 13
Examine and lubricate O-rings................................................................................................. 14
Examine the water tube and torch........................................................................................... 15
Weekly ....................................................................................................................................................... 15
Examine hoses, cables, and leads........................................................................................... 15
Do tests for gas leaks................................................................................................................. 16
Do a check of the coolant flow................................................................................................. 16
Monthly ...................................................................................................................................................... 17
Clean inside the plasma power supply .................................................................................. 17
Examine the contactors ............................................................................................................. 18
Examine the pilot arc relay ........................................................................................................ 18
Examine the coolant system ..................................................................................................... 19
Do the coolant flow test............................................................................................................. 19
Examine the gas line connections ........................................................................................... 20
Examine the hoses...................................................................................................................... 20
Examine the cables..................................................................................................................... 20
Examine the ground connections ............................................................................................ 20
Examine the table-to-workpiece connection ........................................................................ 20