page 12 of 16
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7.4 GAS FLOW SETTING
The electric arc and the weld must be perfectly shielded by gas. Too small
amount of gas does not perform the protective atmosphere and on the other
hand to big amount of the gas brings air into the electric arc.
Fig. 4 – Gas fitting
F1 Gas
Cylinder
F2 Cylinder
Valve
F3 Gas heater connector
F4 Pressure
Reducer
F5 High Pressure Manometer
F6 Low Pressure Manometer
F7 Adjusting
Screw
F8 Gas
outlet
F9 Solenoid
Valve
F10 Chain
The gas cylinder cannot be fixed to the HOMER MG-150. It can be fixed onto
the welders cart or other fixing appliance according to the user´s manual of
such appliance and in accordance with the safety rules.
1. Connect the pressure reduction valve on the gas cylinder.
2. Connect the gas hose to gas outlet
F8
on the valve and the gas inlet
9
on
the rear panel of the machine
3. Open the
F2
cylinder valve
A Correct
B Wrong
C Wrong
