EX-TRAFIRE
®
75SD
Operator Manual, Revision T-53-26
Gas supply installation
Connect the air-line hose as follows:
1� Air-line hose connection�
• Female G1/4” thread adapter�
2� Air-line hose�
• Use an inert gas hose with a minimum internal
diameter of 8 mm, make a direct attachment
or use a quick disconnect fitting�
Setting the gas pressure
CUTTING
1� Switch from CUT to GOUGE by mode switch�
2� Set the cutting gas pressure by pulling up and
turning the regulator knob to it’s recommended
value (5�5 bar - displayed on the manometer)�
3� Push down the regulator knob after setting up
the gas pressure�
4� Switch back from GOUGE to CUT by mode selector�
5� Power supply is prepared to cut�
GOUGING
1� Switch from CUT to GOUGE by mode switch�
2� Set the cutting gas pressure by pulling up and
turning the regulator knob to it’s recommended
value (3�5 bar - displayed on the manometer)�
3� Push down the regulator knob after setting up
the gas pressure�
4� Power supply is prepared to gouge�
Regulator knob
Mode selector
Manometer
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