Tweco 300 Auto-Cut - Manual (Page 59)

Manual No. 0-4817 Auto-Cut 300 3-21 INSTALLATION
3.14 Torch Head Installation and Connection
1. Install the torch mounting block on the cutting table (gantry). Fasten the block in place.
2. Leave the end cap in place on the torch leads. Remove and discard the protective end caps from the Mounting Tube.
3. Install the O-ring in the groove at the upper end of the mounting tube. Slide the torch mounting tube onto the leads
far enough to expose the fittings on the ends of the leads.
4. Connect the Torch Head to the torch leads. Follow the sequence shown. Do not let the leads twist.
Shield ('Secondary')
Gas Connector
Coolant Supply Connector
Coolant Return
Check Valve
and Connector
Plasma Lead
Connector
Pilot Lead
Plasma Lead
Art # A-06258
Insulating Paper
Insulating Paper
2
Shown to illustrate
assembly order only;
parts must remain
secured tightly.
1
Positioning Tube
End Cap
O-Ring
O-Ring
Torch Leads
Threaded
Holes
Drain Holes
Positioning Tube
Detail