ESAB m3 G2 System Manual page 70

section 6
4. Unscrew nozzle retainer and pull nozzle straight out of torch body. Inspect insulator portion of the nozzle
retainer for cracks or chipping. Replace if damaged.
Inspect nozzle for:
• melting or excessive current transfer.
• gouges from internal arcing.
• nicks or deep scratches on the O-ring seating surfaces .
• O-ring cuts, nicks, or wear.
• Remove hafnium particles (from the nozzle) with steel wool.
Replace if any damage is found.
Discoloration of internal surfaces and small black starting marks are normal and do not effect
If the holder was tightened sufficiently, the electrode may unscrew without being attached to the electrode
holder. When installing the electrode, use only sufficient force to adequately secure the electrode.
5. Remove electrode using electrode removal tool.
6. Disassemble electrode from electrode holder. Insert flats on the holder into a 5/16" wrench. Using the elec-
trode tool, rotate electrode counter-clockwise to remove. Replace electrode if center insert is pitted more
than 0.09" (3/32").
Electrode Removal Tool
Replace electrode if center insert is
cutting performance.
pitted more than 0.09" (3/32")
note:
Torch Body
Electrode
70
pt-36 plasma torch