Tweco 7-3444 User Manual
General information, Parts supplied, Installation
© 1998 Thermal Dynamics Corp., Printed in USA
1
Installation Instructions 4/26/01
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:
• Thermal Dynamics PAK 5
Parts Supplied
The following parts are included in this kit:
• Control Connector Plug with Connectors (1 ea)
• Adapter Fitting (1 ea)
• Secondary Gas Plug/Pilot Adapter Fitting (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. Place the Adapter Fitting provided into the Power Supply torch
power cable fitting (-) and tighten securely.
5. Install the supplied Secondary Gas Plug/Pilot Adapter Fitting
onto the Power Supply.
6. Connect the pilot wire (+) from the replacement torch to the
Power Supply Secondary Gas Plug/Pilot Adapter Fitting with
the bolt and washer provided and tighten securely.
7. Connect the Negative/Plasma Lead from the replacement torch
to the Power Supply. Slide the protective boot over the lead
connection.
8. Connect the Control Connector Plug (see NOTE), with two
connectors, to the two mating connectors on the replacement
torch leads.
9. Connect the Control Connector Plug to the Power Supply.
10. Reinstall any covers removed (see WARNING).
11. Install the proper torch consumables for the Power Supply amper-
age.
12. Reconnect main input power to the Power Supply and turn the unit
ON. Secondary gas pressure must be supplied to the Power Supply
to activate the secondary gas circuit.
13. Set air pressure to 60 - 70 psi (4.1 - 4.8 bar).
14. Test torch for proper operation.
NOTE
Every effort has been made to provide complete and accurate information in this manual. However, the
publisher does not assume and hereby disclaims any liability to any party for any loss or damage caused
by errors or omissions in this manual, whether such errors result from negligence, accident or any other
cause.
Manual 0-2772
RPT Adapter Kit
Catalog # 7-3444
Installation Instructions
NOTE
For Mechanized Systems refer to the
Torch Control Cable Wiring Diagrams
in the Manual supplied with the RPT
Torch.
WARNING
Make sure that the Control Connector Plug wires
DO NOT contact the Adapter Fitting after all
leads are connected.
Torch Control
Connectors
Pilot Lead
Torch Lead Assembly
Negative/Plasma Lead
A-02500
Adapter Fitting
Control Connector
Plug with Connectors
To
Po
we
r Supply
(-) Fitting
To
Po
we
r Supply
Control Connector
To
Po
we
r Supply
Pilot Connector
Secondary Gas Plug/Pilot
Adapter Fitting