SECTION 6 PCM-875A Plasmarc System Troubleshooting
6-11
6.4.4 Double Arcing
· .Damaged Nozzle Orifice.
· Low air pressure.
· Damaged cutting nozzle.
· Loose cutting nozzle.
· Heavy spatter accumulation on nozzle.
6.4.5 Uneven Arc.
· Damaged cutting nozzle or worn electrode.
6.4.6 Unstable Cutting Conditions.
· Incorrect cutting speed.
· Loose cable or hose connections.
· Electrode and/or cutting nozzle in poor
condition.
6.4.7 Main Arc Does Not Strike
· Worn electrode.
· Loose connections.
· Worn cable not attached
6.4.8 Poor Consumable Life
· Improper gas pressure.
· Contaminated air supply.
· Low air flow rate