Tweco 7-3439 - Manual

© 1998 Thermal Dynamics Corp., Printed in USA Installation Instructions 5/21/99
Manual 0-2758
RPT Adapter Kit
Catalog # 7-3439
Installation Instructions
General Information
This Replacement Torch Adapter Kit is to be used to connect the Thermal Dynamics Plasma RPT Series Cutting Torch to the
following equipment:
HARRIS System 50, 65 and 100
Parts Supplied
The following parts are included in this kit:
• Control Connector Wires with Connectors (1 ea)
• Tie-Wrap (1 ea)
Installation
Install the Adapter Kit per the following procedure:
1. Turn OFF the power supply.
2. Disconnect the main input power to the power supply.
3. Remove the existing torch from the power supply, removing
covers as required.
4. Connect the pilot wire (+) from the replacement torch to the
Power Supply and tighten securely
5. Connect the Negative/Plasma Lead from the replacement torch
to the Power Supply. Slide the protective boot over the lead
connection.
6. Connect the Control Connector Wires (see NOTE), with two
connectors, to the two mating connectors on the replacement
torch leads.
7. Connect the fastons of the Control Connector Wires to the
Power Supply.
8. Cover the connections with the original rubber boot and secure
with the supplied tie-wrap.
9. Reinstall any covers removed (see WARNING).
10. Install the proper torch consumables for the Power Supply amperage.
11. Reconnect main input power to the Power Supply and turn the unit ON.
12. Set air pressure to 60 - 70 psi (4.1 - 4.8 bar).
13. Test torch for proper operation.
NOTE
For Mechanized Systems refer to the
Torch Control Cable Wiring Diagram
on the last page of this Manual.
WARNING
Make sure that the Control Connector Wires DO
NOT contact the Negative/Plasma Lead after all
leads are connected.
Torch Control
Connectors
Pilot Lead
Torch Lead Assembly
Negative/Plasma Lead
A-02483
Control Connector
Wires with Connectors
To
Po
wer Supply
(-) Fitting
To
Po
wer Supply
Control Connector
To
Po
wer Supply
Pilot Connector
Fastons