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After securing, remove cylinder cap if there is one on your cylinder.
Install flow regulator (CGA-580) to the supply valve on the cylinder and tighten
with wrench.
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 MIG140 welding machine (The connector nipple 5/8-18 adapts to CGA-032).
Ensure that the hose has no twisting or knotting.
Slowly turn on the gas cylinder valve.
Depress gun trigger switch and adjust the flow regulator to 25-30 cubic ft per hour
(CFH), (12-14 l/min).
Shut off the valve of the gas cylinder. Depress gun trigger to release the gas in
system. Power off MIG140, when welding process is finished.
NOTE: Always keep the valve of the gas cylinder closed when not in use.
OPERATION
PLEASE READ AND UNDERSTAND THIS ENTIRE SECITON BEFORE
OPERATING YOUR MACHINE. ONLY QUILIFIED PERSONNEL SHOULD
OPERATE THIS EQUIPMENT. OBSERVE ALL
SAFETY INFORMATION
THROUGHOUT THIS MANUAL.
WELDING OPERATIONS
Cylinder Valve
Regulator Flow Gauge
Figure D-4
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