Inspect the consumables, Inspect the consumables ‑3, Maintenance and parts duramax retrofit torch – Hypertherm HRT User Manual
Page 93
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. 1/16 in (1.6 mm)
Good
Worn
Inspect the consumables