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The welding torch becomes very hot
Cause:
The swivel nut on the central connector is loose
Remedy:
Tighten the swivel nut
Cause:
The torch has been operated beyond its maximum amperage rating.
Remedy:
Lower the welding power or use a higher-capacity torch
Cause:
The design dimensions of the torch are not sufficient for this task
Remedy:
Respect the duty cycle and loading limits
Cause:
Only on water-cooled installations: Coolant through-flow is insuffici-
ent
Remedy:
Check the coolant level, through-flow rate, cleanliness of coolant, ar-
rangement of hosepack etc.
Contact tip has a short service life
Cause:
Incorrect wirefeeder rollers
Remedy:
Use correct wirefeeder rollers
Cause:
Wire electrode worn due to excessive contact pressure on the wire-
feeder rollers
Remedy:
Reduce contact pressure on the wirefeeder rollers
Cause:
Wire electrode contains impurities/is corroded
Remedy:
Use high-quality wire electrode with no impurities
Cause:
Uncoated wire electrode
Remedy:
Use wire electrode with suitable coating
Cause:
Wrong dimension of contact tip
Remedy:
Use a contact tip of the correct dimension
Cause:
Duty cycle of welding torch has been exceeded
Remedy:
Shorten the duty cycle or use a more powerful welding torch
Cause:
Contact tip has overheated. No thermal dissipation as the contact tip
is too loose
Remedy:
Tighten the contact tip
NOTE!
When using CrNi, the contact tip may be subject to a higher degree of wear due
to the nature of the surface of the CrNi wire electrode.
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