Hypertherm XPR300, Instruction Manual

Page: 237 / 402

Maintenance
7
XPR300 Instruction Manual 809480 237
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 234
b. Remove the torch and consumable parts on page 236
2. Examine the consumable parts for damage and excess wear. (See Table 31 on page 237 for a
list of inspection tasks.)
Table 31 – 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.