Examine the consumable parts
The task involves examining, cleaning, and replacing the consumable parts of the XPR plasma cutting
system as necessary, and reinstalling them before powering the system.
Before you begin:
■
Remove the power from the cutting system on page 249
■
Remove the torch and consumable parts on page 143
1. Examine the consumable parts for damage and excess wear.
Table 32 - Inspection tasks for consumables
Inspect Look for Action if found
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 mate-
rial.
If there is damage, replace the shield
cap.
Shield cap
Dry O-rings Apply a thin film of silicone lubricant
(027055) to O-rings that appear dry.
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.
Shield
Dry O-rings Apply a thin film of silicone lubricant
(027055) to O-rings that appear dry.
Damage
Poor cut quality after replacing other
consumables
Damaged O-rings
Replace the nozzle retaining cap.Nozzle retaining cap
Dry O-rings Apply a thin film of silicone lubricant
(027055) to O-rings that appear dry.
Maintenance
7
254
811530 Instruction Manual XPR460
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