ABICOR AIPLAS WELD 250 MT Mode D'emploi page 39

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ABIPLAS WELD 250 MT
Fault
Torch body or power source
cable overheated
Pilot or main arc is burning
skewed
Wire feed is not working
Tab. 15 Troubleshooting
11 Dismounting
Cause
• Inadequate flow of coolant.
• Welding current too high.
• Coolant hose or liquid-cooled
power cable constricted or
closed.
• Tungsten electrode worn out
• Plasma nozzle worn out
• Centering ceramics is missing
• Plug not connected properly.
Dismounting may only be carried out by specialized personnel. Please make
sure that the shutdown procedures are strictly observed before the dismounting
is started. Make sure to include also the components integrated into the
welding system.
DANGER
Risk of injury due to unexpected start-up
For the entire duration of maintenance, servicing, dismounting and repair
work, the following instructions must be adhered to:
• Switch off the power source.
• Close off the gas supply.
• Close off the compressed air supply.
• Switch off the entire welding system.
• Pull the mains plug.
NOTE
• Observe the information given in section 8 Putting out of operation on
page EN-16.
1 Disconnect the cable assembly from the power source.
2 Remove parts to be disconnected.
11 Dismounting
Solution
• Check/repair
• Lower welding current
• Remove constriction, replace
cable assembly, if necessary
• Sharpen tungsten electrode
• Replace plasma nozzle
• Replace centring ceramics
• Connect plug
• Check electric connection
EN - 19