Maintenance
XPR300 Instruction Manual 809480 243
6. Use the consumable tool (104119) to turn the electrode counter-clockwise. Remove the
electrode.
7. Put the used consumables on a surface that is:
Clean
Dry
Oil-free
Examine the consumable parts
1. Complete the following procedures before continuing:
a. Remove the power from the cutting system on page 240
b. Remove the torch and consumable parts on page 242
2. Examine the consumable parts for damage and excess wear. Refer to Table 33 on page 243 for
a list of inspection tasks.
Table 33 – Inspection tasks for consumables
Inspect Look for Action if found
Shield cap Erosion or missing material
Cracks
Melted, eroded, or missing material
Damaged O-rings
Replace the shield cap.
Molten material attached If there is no damage to the shield cap, you can
remove the molten material.
If there is damage, replace the shield cap.
Dry O-rings Apply a thin film of silicone lubricant (027055)
to O-rings that appear dry.
Shield A center hole that is not circular
Damaged O-rings
Replace the shield.
Over-lubricated O-rings Use a clean, lint-free cloth to remove excess
lubricant.
Dry O-rings Apply a thin film of silicone lubricant (027055)
to O-rings that appear dry.
Nozzle retaining cap Damage
Poor cut quality after replacing
other consumables
Damaged O-rings
Replace the nozzle retaining cap.
Dry O-rings Apply a thin film of silicone lubricant (027055)
to O-rings that appear dry.
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