Daihen Welbee WB-A350P, Owner'S Manual

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C
ONNECTING THE
W
ELDING
P
OWER
S
OURCE
C
ONNECTION
C
HAPTER
4
4-8
4.2.4 Connection of shield gas
This section explains the procedure for connecting the the shield gas.
1.
Attach the gas regulator to the gas cylinder.
2.
Connect the gas hose to the gas regulator and the welding power source.
Connection for shield gas is complete.
In using the air-cooled welding torch, continue to perform the step described in "4.3
-
Grounding and
Connection of Input Power Supply".
In using the water-cooled welding torch, continue to perform the step described in "4.2.5 Connection of
water hose with cooling water circulation device".
• Be sure to observe the following points to prevent from suffocation due to gas leakage
or explosion.
– Be sure to turn off the shield gas at the main tap when the welding power source is
not in use.
– Securely connect the gas hose and attach the gas regulator with a wrench so that
there is no gas leakage.
• For the gas regulator, make sure to use a device for compressed gas cylinder that
conforms to the specific application of the shield gas.
Using an inappropriate gas regulator may cause explosion.
• Keep the cylinder upright and securely chained to a stationary support or a rack.
Falling or tipping of cylinder may cause serious injury.
Gas regulator
Gas cylinder
Welding power
source (Rear)
Gas cylinder
Gas hose
Gas supply inlet