Selco 56.01.00701, Instruction Manual

Page: 35 / 314

35
2.4 Installation
Connection for PLASMA cutting
- Connect the torch (1) to the central adapter (2), ensuring that
the fastening ring is fully tightened.
- Check that all the components of the torch are present and
correctly fitted (Consult the "SP 70" instruction manual).
- Connect (3) the earth clamp to the positive socket (+) (4) of
the power source.
- Insert the plug (3) and turn clockwise until all parts are
secured.
- Position the earthing clamp onto the piece to be cut, ensuring
that it makes a good electric connection.
- Screw-tighten the coupling (5) on the pressure reducer (6).
- Connect the pipe (7) to the coupling (5).
- The pressure must be at least 5 bars with a flow rate of at least
185 litres per minute.
- Insert the plug into the 400V socket.
- Switch on the system, ensuring the LED is working correctly.
- During pressure gauge adjustment operation make the gas
flows through the circuit depressing both the torch trigger or
the test gas button.
- Raise the reducer (6) adjustment knob (8).
- Rotate it until you read 5 bars on the pressure gauge (9).