MAINTENANCE AND pArTs
Duramax Retrofit Torch
Operator Manual
4-3
Part
Inspect
Action
Shield or
deflector
The center hole for
roundness.
The gap between the
shield and the nozzle for
accumulated debris.
Replace the shield if the hole is no
longer round.
Remove the shield and clean away
any material.
Nozzle
The center hole for
roundness.
Replace nozzle if the center hole is
not round.
Electrode
Replace electrode if the surface is
worn or the pit depth is greater than
1/16 inch (1.6 mm) deep.
Swirl ring
The surface inside the swirl
ring for damage or wear and
the gas holes for blockages.
Replace swirl ring if the surface is
damaged or worn or any of the gas
holes are blocked.
Torch o-ring
The surface for damage,
wear, or a lack of lubrication.
If the o-ring is dry, lubricate it and the
threads with a thin layer of silicone
lubricant. If the o-ring is worn or
damaged, replace it.
Max. 1.5 mm (1/16 in)
Good
Worn
Inspect the consumables
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