Hypertherm MAXPRO200, Instruction Manual

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MAXPRO200 Instruction Manual 807700 Revision 1 91
Operation
Inspect consumables
Inspect Look for Action
Shield General:
Erosion or missing material Replace the shield
Molten material attached Replace the shield
Blocked gas holes Replace the shield
Center hole:
Must be round Replace the shield when the center hole is no longer round
Nozzle retaining cap General:
Erosion or missing material Replace the nozzle retaining cap
Cracks Replace the nozzle retaining cap
Burn marks Replace the nozzle retaining cap
Nozzle
Always replace the nozzle and
the electrode as a set
General:
Erosion or missing material Replace the nozzle
Blocked gas holes Replace the nozzle
Center hole:
Must be round Replace the nozzle when the center hole is no longer round
Signs of arcing Replace the nozzle
O-rings:
Damage Replace the o-ring
Lubricant Apply a thin film of silicone lubricant if the o-rings are dry
Swirl ring General:
Damage Replace the swirl ring
Dirt or debris Clean and inspect for damage, and replace if damaged
Blocked gas holes Replace the swirl ring
O-rings:
Damage Replace the o-ring
Lubricant Apply a thin film of silicone lubricant if the o-rings are dry
Electrode Center surface:
Always replace the nozzle and
the electrode as a set Emitter wear – a pit forms as
the emitter wears In general, replace the electrode when the pit depth is
1 mm (0.04 in.) or greater.
O-rings:
Damage Replace the o-ring
Lubricant Apply a thin film of silicone lubricant if the o-rings are dry
Emitter