Maintenance; The Welding Torch; The Welding End; The Torch Cable - Kemppi MASTERTIG AC/DC 2000 Operation Instructions Manual

J14: [Off] = limit of short press of the TIG switch is 0.7 s
[On] = limit of short press of the TIG switch is 0.3 s
J15: [Off] = AC TIG welding is started in the positive half-cycle
[On] = AC TIG welding is started in the negative half-cycle
J16: 0 -> 2.0 = ratio for the start length of DC in AC TIG
factory setting is 1.0
J17: 0 -> 2.0 = ratio for MMA ignition pulse
factory setting is 1.0
J18: ---------- vacant
J19: ---------- vacant
8.

MAINTENANCE

The amount of use and an unusual working environment have a special effect on the need for
maintenance. Proper use and preventive maintenance will help to ensure trouble-free operation
of the machine without unexpected interruptions.
8.1.

THE WELDING TORCH

Due to high temperatures and wear, the welding end of the TIG torch requires maintenance
most, but also the condition of the other parts should be checked regularly.

8.1.1. The welding end

Check that...
– all insulations of the welding end are undamaged and in place.
– the gas nozzle is undamaged and suitable for the work.
– the flow of the shielding gas is free and even.
– the electrode is undamaged. Use an electrode size and tip sharpening which are suitable for
the welding job. Sharpen the electrode lengthwise.
– the fastening parts of the electrode are undamaged and that the electrode is tightly fastened
in its place.

8.1.2. The torch cable

Check that...
– the insulation of the handle and the torch cable are undamaged.
– the torch cable has no sharp bends.
Always replace any damaged parts immediately!
Follow the instructions of the torch manufacturer in all maintenance and repair measures.
8.2.

CABLES

Check the condition of the welding and connection cables daily.
Do not use damaged cables!
Check also that the mains connection cables that you use are in good condition
and that they comply with all the regulations!
Mains connection cables may be repaired and installed only by an authorized electric shop or
electrician.
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COPYRIGHT KEMPPI OY
Mastertig AC/DC 2000, 2500, 2500W, 3500W/0510 – 25