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16
SHIELDING GAS INSTALLATION
A compressed gas cylinder containing 75% Argon and
25% CO2 should be used when using the MIG (GMAW - GAS Metal Arc Welding) on steel. Use
pure argon when welding aluminum. The flow regulator and supply hose is included with your welder.
Compressed gas can be obtained from your local welding supplier.
1. Attach the compressed gas cylinder with a
chain to a wall or other secure object, to prevent
the cylinder from falling.
2. After securing the tank, remove the cylinder
cap if your cylinder has one.
3. Install flow regulator to the supply valve on the
cylinder and tighten it with a wrench.
4. Install one end of the gas supply hose into the
outlet of the flow regulator and tighten. Connect the
other end of the hose to the gas inlet located at the
rear of the MIG175 welding machine (The connector
nipple 5/8-18 adapts to CGA-032). Ensure that the
hose is not twisted or knotted.
5. Slowly turn on the gas cylinder valve.
6. Depress gun trigger switch and adjust the flow
regulator to 25-30 cubic ft per hour (CFH), (12-14
l/min).
Shut off the bottle valve when not in use. Power
off your unit when you are done welding. NOTE:
Always keep the valve of the gas cylinder closed
when it is not in use.
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