Tweco 7-3437 User Manual

General information, Parts supplied, Installation

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© 1998 Thermal Dynamics Corp., Printed in USA

1

Installation Instructions 12/7/00

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:

• MULTIQUIP MQ PCX50SS
• OTC D-5000 and D-7000
• P-TRON 75 and 100
• MRAT-70

Parts Supplied

The following parts are included in this kit:

• Control Connector Plug with Connectors (1 ea)
• Dummy Connector Plug (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, remov-

ing covers as required.

4. Install the Dummy Connector Plug provided into the Power

Supply.

5. Connect the pilot wire (+) from the replacement torch to the

Power Supply and tighten securely

6. Connect the Negative/Plasma Lead from the replacement

torch to the Power Supply. Slide the protective boot over
the lead connection.

7. Connect the Negative/Plasma Lead from the replacement

torch to the Adapter Fitting.

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

amperage.

12. Reconnect main input power to the Power Supply and turn the unit

ON.

13. Set air pressure to 60 - 70 psi (4.1 - 4.8 bar).

14. Test torch for proper operation.

Manual 0-2761

RPT Adapter Kit

Catalog # 7-3437

Installation Instructions

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 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-02487

Control Connector

Plug with Connectors

To

Po

wer Supply

(-) Fitting

To

Po

wer Supply

Control Connector

To

Po

wer Supply

Pilot Connector

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