OperatiOn
4-16 HPR130XD Auto Gas – 806330 Revision 2
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 A 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)