Duramax/Duramax Hyamp Robotic Torches Service Manual 807460 67
5 – Maintenance and Parts
Inspect the consumables
Part Inspect Action
Shield
The center hole for roundness. Replace the shield if the hole is no longer
round.
The gap between the shield and the
nozzle for accumulated debris.
Remove the shield and clean away any
material.
Nozzle
The center hole for roundness. Replace the nozzle if the center hole is not
round.
Replace the nozzle and the electrode
together.
Electrode
Replace the electrode if the surface is worn
or the pit depth is greater than 1.6 mm
(1/16 inch) deep.
Replace the nozzle and electrode together.
Swirl ring
The surface inside the swirl ring for
damage or wear and the gas holes for
blockages.
Replace the swirl ring if the surface is
damaged or worn or any of the gas holes
are blocked.
The O-ring for damage or wear. If the O-ring is worn or damaged, replace it.
(See Duramax robotic torch replacement
parts on page 68 or Duramax Hyamp
robotic torch replacement parts on
page 71.)
The length of the swirl ring. Duramax Hyamp: If the length of the
220997 swirl ring is less than 32 mm
(1.27 inches), replace it.
Duramax: If the length of the 220994 or
220857 swirl ring is less than 30.5 mm
(1.20 inches), replace it.
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.
(See Duramax robotic torch replacement
parts on page 68.)
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