EX-TRAFIRE
®
45SD
Operator Manual, Revision T-55-54
Consumable parts inspection
Part
Inspect
Operation
Shield
Out of round orifice or worn cruciform
indicates worn condition
Replace shield
Accumulated spatter in the gap between
the shield and the nozzle
Clean away any material from
the shield and nozzle surface
Retaining Cap
Heat damage, cracks / fractures, damaged
threads, blocked gas holes
Replace nozzle Retaining Cap
Nozzle
Out of round orifice indicates worn
condition
Replace nozzle
Good orifice Worn orifice
Swirl Ring
Damage or contamination of external
surface
Replace swirl ring
Internal hole diameter / condition:
Electrode doesn’t slide easily / binding on
the electrode�
blocked/damaged gas holes
Electrode
Hafnium pit depth greater than 1,6mm
Replace electrode
Torch
Internal burn or arcing marks
Replace torch
Worn or damaged threads
Pitted or missing material
Damaged, cracked or contaminated
Damaged O-ring Replace O-ring
Dry O-ring
Apply a thin coat of silicone
grease part No� EX-0-805-001
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