Tweco 300 Auto-Cut - Manual (Page 141)

Manual 0-4817 Auto-Cut 300 A-21 APPENDIX
I. Connect Torch
Connect the Torch as follows:
Shield ('Secondary') Gas Connector
Coolant Supply Connector
Coolant Return
Check Valve
and Connector
Plasma Lead
Connector
Pilot Lead
Plasma Lead
Art # A-07324
Insulating Paper
Insulating Paper
2
1
Positioning Tube
O-Ring
O-Ring
Torch Leads End Cap
Groove for O-Ring
Plasma Gas
(Left Hand Thread)
Shield Gas
(Right Hand Thread)
Coolant Supply,
Coolant Return,
and Pilot Leads
Leads Cover
To Torch Valve
1. Lay out the torch leads on a clean, dry working surface.
2. Hold the Torch Leads End Cap stationary. Pull approximately 18” (0.5 m) of leads through the End Cap.
3. Insert gas leads through hole in the Torch Leads End Cap and pull as much or more than the other leads.You
can pull back the excess after attaching to the Torch in a later step.
4. Remove and discard the protective end caps from the Mounting Tube.
5. Install the O-ring in the groove at the upper end of the Mounting Tube.