Kemppi HiArc M 400R User Manual

EN
3.5 Selecting shielding gas
Press the shielding gas selection button to set the shielding gas type to either CO₂ or mixed
gas according to the gas you are using.
Select CO₂ if you are using carbon dioxide. Select Ar + CO₂ (MAG) if you are using mixed gas.
NOTE! HiArc M has a factory set pre-gas time of 0.2 s and a Post-gas time of between 2 – 4 s,
depending on the welding power settings.
3.6 Gas test
To test the shielding gas ow, press the gas test button once. The shielding gas starts to ow
and stops automatically after 20 seconds.
To interrupt the gas test, press the button again.
3.7 Trigger logic and Crater Fill function
The HiArc M 400R power source is equipped with a crater ll function, which makes your
welding more ecient and helps you avoid welding defects at the end of the weld sequence.
With this function you can use an additional crater ll current level, which can be lower or
higher than your normal welding current level.
2T mode
MIG welding with 2T mode of the gun trigger.
• Push the trigger – welding starts after preset pre-gas time.
• Release the trigger – welding ends. Post-gas ows for preset time.
1. 2.
1. Pre-gas time
2. Post-gas time
2T mode and crater ll function
• Push the trigger – welding starts after preset pre-gas time.
• Release the trigger – values drop to preset crater ll level and welding ends after preset
time. Post-gas ows for preset time.
1. 2. 3.
1. Pre-gas time
2. Crater ll time
3. Post-gas time
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Kemppi HiArc M 400R Specifications

General

Brand	Kemppi
Model	HiArc M 400R
Category	Welding System
Language	English