Tweco 7-3450 - Manual

© 2000 Thermal Dynamics Corp., Printed in USA Installation Instructions 7/25/00
Torch Control
Connectors
Pilot Lead With
Ring Terminal Removed
Torch Lead Assembly
Negative/Plasma Lead
A-02940
Control Connector
Wires with Connectors
To
Po
wer Supply
(-) Fitting
To
Po
wer Supply
Control Connector
To
Po
wer Supply
Pilot Connector
Ten-Pin Connector
Pilot Lead Adapter
Manual 0-2834
RPT Adapter Kit
Catalog # 7-3450
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:
Thermal Dynamics EconoPak 100
Parts Supplied
The following parts are included in this kit:
• Control Connector Wires with Connectors (1 ea)
• Pilot Lead Adapter with Insulation Sleeving (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 per the following procedure:
a. Measure back 2 inches (50.8 mm) on the pilot lead
from the ring terminal and cut the pilot lead off at this
point.
b. Strip the pilot lead wire insulation 9/32 inch.
c. Using the proper wire crimping tool, crimp the Pilot
Lead Adapter onto the pilot lead at the butt splice.
d. Pull the Pilot Return Insulation Sleeving over the butt (in-line) splice.
e. Connect the end of the Pilot Return Adapter to the pilot terminal on the Power Supply.
5. Connect the Negative/Plasma Lead from the replacement torch to the Adapter
Fitting. Slide the protective boot over the lead connection.
6. Connect the Control Connector Wire (see NOTE) to the two mating connectors on
the replacement torch leads to the two mating connectors on the replacement torch
leads.
7. Connect the PCB Header (10-pin connector) of the Control Connector Wires to the Power Supply.
8. Reinstall any covers removed (see WARNING).
9. Install the proper torch consumables for the Power Supply amperage.
10. Reconnect main input power to the Power Supply and turn the unit ON.
11. Set air pressure to 60 - 70 psi (4.1 - 4.8 bar).
12. 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.
NOTE
For Mechanized Systems refer to the
Torch Control Cable Wiring Diagram
in the Manual supplied with the RPT
Torch.
WARNING
Make sure that the Control Connector Wires DO
NOT contact the Negative/Plasma Lead Fitting
after all leads are connected.