THERMACUT EX-TRAFIRE 125HD - Stopping the cutting process; Disconnecting the unit

EN - 30
8 Disconnecting the unit EX-TRAFIRE
®
125HD
7.8 Stopping the cutting process
 Release the torch rigger to end the cutting process.
After releasing the torch trigger, the gas continues to flow for up to
125 seconds, depending on the set output current, in order to cool the
cutting torch and the consumables.
 To end the gas post-flow period prematurely, briefly press and release
the torch trigger.
 Press the torch trigger again to ignite the pilot arc.
8 Disconnecting the unit
1 Set the <POWER> switch to <OFF>.
2 Disconnect the EX-TRAFIRE
®
125HD from the input power supply.
3 Disconnect the EX-TRAFIRE
®
125HD from the gas supply.
9 Maintenance and cleaning
Scheduled maintenance and cleaning are prerequisites for a long service
life and trouble-free operation. The maintenance cycle is determined by
the work environment and the EX-TRAFIRE
®
125HD’s maintenance
intervals. If it is operated for more than eight hours a day, the maintenance
intervals should be changed as needed. When using plasma arc cutting
equipment, always observe the provisions of EN 60974-4 Inspection and
testing, as well as any local laws and regulations.
CAUTION
Risk of injury due to hot parts
Parts may still be hot after the gas post-flow period ends. People are at a
risk of burns.
• Wear your personal protective equipment.
• Allow the cutting torch to cool down for 5 – 10 minutes before
touching the parts.
WARNING
Electric shock due to missing grounding
If the cover plates are improperly mounted, the grounding may not be
properly established. There is a risk of life-threatening electric shock.
• The cover plates may be disassembled and assembled only by a
qualified electrician for maintenance and cleaning work.
• Each time the cover plates are opened, have a safety inspection
performed in accordance with DIN IEC 60974 Part 4: “Periodic
inspection and testing” by Thermacut
®
or another authorized
specialist.
WARNING
Electric shock due to live parts
Fatal electric shock can occur if components are live during maintenance
and cleaning work.
• Set the <POWER> switch to <OFF> before maintenance and cleaning
work.
• Disconnect the input power supply.