Tweco 100 Auto-Cut - Manual (Page 67)

Manual 0-4764 4-7 OPERATION
8. Pilot arc is established.
9. Move Torch within transfer distance of workpiece.
a. Main arc transfers to the workpiece. Pilot arc shuts off.
10. Complete cutting operation.
11. Stop the torch.
a. Main arc stops.
12. Gas will flows briefly (‘post-flow’).
a. Gas solenoid closes; gas flow stops:
13. Set the ON/OFF power switch on the front panel of the unit to OFF.
a. AC Power lamp turns OFF.
b. Fan and pump turn OFF.
14. Place the main power disconnect to open.
a. Main AC power is removed from the system.