Hypertherm HPR800XD Auto Gas Rev.2 - Manual (Page 124)

OperatiOn
4-18 HPR800XD Auto Gas – 806500
Inspect look for Action
Swirl ring general:
Chips or cracks
Blocked gas holes
Dirt or debris
o-rings:
Damage
Lubricant
Replace swirl ring
Replace swirl ring
Clean and check for damage; replace when damaged
Replace swirl ring
Apply a thin film of silicone lubricant if the o-rings
are dry
Electrode
Always replace the nozzle and
electrode as a set.
center surface:
Emitter wear – a pit forms as
the emitter wears.
o-rings:
Damage
Lubricant
In general, replace the electrode when the pit depth is
1 mm (0.04 in.) or greater. For the 400 amp mild steel
electrode and all SilverPlus electrodes, replace the
electrode when the pit depth is 1.5 mm (0.06 in.) or
greater. See Electrode pit depth gage below.
Replace electrode
Apply a thin film of silicone lubricant if the o-rings
are dry
Emitter
10
0
20
40
30
4 0
2 3
1
80
60
70
50
90
Electrode pit depth gage (004147)