Instruction Manual

Table Of Contents
Master M 358
Operating manual - EN
3. If not already, connect the welding gun to the device (refer to "Connecting welding gun" on page18).
4. Connect the gas hose to the welding device.
5. Open the gas bottle valve.
6. Press the gas test button (*) to test and adjust the gas flow. Use either the built-in rotameter or an external flow
meterand regulator for measuring and adjustment.
The gas test time is 20 seconds by default. The time can be changed in the control panel.
Recommended gas flow rates (for general guidance only):
TIG* MIG**
Argon
5...15 l/min 10...25 l/min
Helium
15...30 l/min -
Argon + 18-25% CO2
- 10...25 l/min
CO2
- 10...25 l/min
* Depending on the gas nozzle size.
** Depending on the gas nozzle size and welding current.
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