Hypertherm XPR300 - Page 250

Maintenance
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250 809480 Instruction Manual XPR300
Figure 60 – Face of a new electrode (note hafnium emitter and electrode pit)
If the electrode pit diameter extends beyond the hafnium (Figure 61), replace the electrode and
nozzle.
Figure 61 – Wide electrode pit that extends beyond the hafnium
Electrode face
Electrode pit
Hafnium emitter