Panasonic YD-500KR Operating Instructions Manual

Also see for YD-500KR: Operating instructions

13CONNECTION (CONTINUED)Connecting the Gas RegulatorThis is a high-pressure gas device. Erroneous handling could endanger your safety such as beingdirectly struck by a gas bomb due to a high-pressure gas. Prior to connecting it, be sure toread its instruction manual.There is a plug socket for the gas regulator on the upper rear side of the welding power unit.Be aware of the following: A pin layout of the plug socket is when you face the rear side of the welding unit. The pins 2 and 3 have been short-circuited inside the welding power unit upon shipment. As the heater power for the gas regulator, 100 V AC is applied to between the pins 1and 3. When obtaining the heater power from other than the exclusive plug socket of the weldingpower unit, you will need a power source of 100 V AC, 2 A or more.A quality of the gas used has a direct effect on welding. be aware of the following: In case of CO2 welding, use carbon dioxide gas with moisture content of 0.005% or less,or "welding" carbon dioxide gas. For a mixed gas in case of MAG welding, use MAG welding gas (argon gas with 5 to 20%carbon dioxide gas). When mixing two kinds of gas(carbon dioxide gas and argon gas) for use, use a gas mixer.(In order to avoid irregular mixture)Argon gas to be mixed should be high-purity welding argon gas(purity of 99.9% or higher)Warning for Safety1 Attach the gas regulator to the gasbomb with a lock nut and tighten itfully with a monkey wrench, etc. Connecting to the Plug socket for GasRegulatorCautionCautionLock NutGas BombGas RegulatorThis is a power plug socket fora heater to prevent freezing ofthe gas regulator when weldingwith carbon dioxide gas.Never use it for other than theheater power for the carbondioxide gas regulator.④Be sure to groundwith a cable.②Connect the gas hose to the gashose joint. (Fix it firmly withanaccessory hose band)Plug Socket for Gas Regulator③Connect the heater cable to the plug socket.