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7 Operation
6.2.1 Compressed air as plasma and cooling gas
• Precisely setting the compressed air pressure and volume is important for the pilot arc
ignition, cut quality and service life of the torch and wear parts.
• A pressure (p) lower than that specified for the operating pressure in Tab. 2 results in
thermal overload. The correct torch pressure must be ensured by properly setting the
pressure monitor on the power source.
Tab. 2 General torch data (EN 60974-7) on page EN-5
6.2.2 Filtered compressed air free of oil and water
Only use compressed air which is free from dirt, oil and water.
We recommend:
• Initial filter with a 5 µm pore size
• Sub-micro filter with a 0.01 µm pore size
• 99.99% oil separation rate
• Air throughput for:
• ABICUT 25K: min. 2.5 bar: > 40 l/min
• ABICUT 45: min. 5.5 bar: > 150 l/min
• ABICUT 75: min. 6.0 bar: > 170 l/min
Tab. 2 General torch data (EN 60974-7) on page EN-5
7 Operation
DANGER
Risk of injury due to unexpected start-up
The following instructions must be adhered to throughout all maintenance, servicing,
assembly, disassembly and repair work:
• Switch off the power source.
• Close the gas supply.
• Close the compressed air supply.
• Disconnect all electrical connections.
DANGER
Risk of injury and device damage when handled by unauthorised persons
Improper repair work and modifications to the product may lead to serious injuries and
damage to the device. The product warranty will be rendered invalid if work is carried out on
the product by unauthorised persons.
• Operating, maintenance, cleaning and repair work must only be carried out by qualified
personnel (in Germany, see TRBS 1203).
EN - 10
ABICUT 25K/45/75
BAL.0173 • 2018-09-28
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