Connecting The Gas Regulator - Panasonic YD-500KR Operating Instructions Manual

CONNECTION (CONTINUED)

Connecting the Gas Regulator

Warning for Safety
This is a high-pressure gas device. Erroneous handling could endanger your safety such as being
directly struck by a gas bomb due to a high-pressure gas. Prior to connecting it, be sure to
read its instruction manual.
Attach the gas regulator to the gas
1
bomb with a lock nut and tighten it
fully with a monkey wrench, etc.
④Be sure to ground
②Connect the gas hose to the gas
hose joint. (Fix it firmly with
an
accessory hose band)
Caution
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 1
and 3.
 When obtaining the heater power from other than the exclusive plug socket of the welding
power 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 CO
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)
Lock Nut
Gas Regulator
with a cable.
③Connect the heater cable to the plug socket.
welding, use carbon dioxide gas with moisture content of 0.005% or less,
2
 Connecting to the Plug socket for Gas
Regulator
Caution
This is a power plug socket for
a heater to prevent freezing of
the gas regulator when welding
with carbon dioxide gas.
Never use it for other than the
Gas Bomb
heater power for the carbon
dioxide gas regulator.
Plug Socket for Gas Regulator
13