Hypertherm HPR800XD Auto Gas Rev.2 - Manual (Page 123)

OperatiOn
HPR800XD Auto Gas – 806500 4-17
Inspect consumables
Inspect look for Action
Shield cap
Erosion, missing material
Cracks
Burned surface
Replace shield cap
Replace shield cap
Replace shield cap
Shield general:
Erosion or missing material
Molten material attached
Blocked gas holes
center hole:
Must be round
o-rings:
Damage
Lubricant
Replace shield
Replace shield
Replace shield
Replace the shield when the hole is no longer round
Replace shield
Apply a thin film of silicone lubricant if the o-rings
are dry
Nozzle retaining cap
general:
Damage to insulating ring
Poor cut quality
after replacing other
consumables
Replace nozzle retaining cap
Replace nozzle retaining cap
Nozzle
Always replace the nozzle and
electrode as a set.
general:
Erosion or missing material
Blocked gas holes
center hole:
Must be round
Signs of arcing
o-rings:
Damage
Lubricant
Replace nozzle
Replace nozzle
Replace the nozzle when the hole is no longer round
Replace nozzle
Replace nozzle
Apply a thin film of silicone lubricant if the o-rings
are dry
Insulating ring