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8-4. Welding
Caution: Suffocation from welding fume
● Be sure to wear a welding mask in operation, because welding fume contains poisonous
gas and dust. Pay full attention to the airflow and direction and sufficient ventilation also in
order to prevent from inhaling fume.
Caution: Injuries to eyes and skin
● Be sure to wear spark protection glass (refer to the table below), long-
sleeve shirts, gloves, etc. in order to protect eyes and skin from harmful
spark in welding.
Standard for Spark Protection Glass (Japan Industrial Standard)
No. 7 8 8 10 11 12 13
Current (A) 30 75 76 200 201 400
Caution: Fire
● Keep any inflammables and easily burning item away from the place in welding, because
welding splashes spatter.
Caution: Burn
●
Be sure to wear leather gloves, apron, shoe covers, eye protection glass, safety shoes, safety cap and
long-sleeve shirts, because welding splashes spatter.
Caution
●Never turn the output selector switch during welding, because
it must cause the burnout of the switch.
(1) DGW310DMC
The equipment can be operated 2 persons simultaneously.
Each person can adjust the welding current individually.
The current adjustable range by the dial changes at the output
selector switch position.
1 Turn the selector switch properly according to operation.
2 Adjust the voltage by the current adjustable dial. Refer to
the following chart next.
Current
Dial A
Current
Dial B
Selector
Switch
Termina
l
A
Termina
l
B