Tweco 7-3448 User Manual

Manual 0-2829

Control Connector

Plug

Pilot Lead

Torch Lead

Assembly

Negative/Plasma

Lead

Control Connector

Pilot Lead

Stud

Negative/Plasma
Lead Connection

A-02843

Control (PIP) Circuit

Connectors

Shield Connectors

(Not Used)

Remote
Cable
Connector

RPT Adapter Kit

Catalog # 7-3448

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:

Mechanized Thermal Dynamics Pak Master XL Se­ries, Pak Master XL Plus Series and CutMaster 80XL

Parts Supplied

The following part is included in this kit:

• Control Connector Plug with Connectors (1 ea)

NOTE

Refer to the Manual supplied with the RPT Torch
For Wiring Diagram.

Installation

A. Mechanized Systems With Unshielded

Leads

1. Turn OFF the power supply.

d. Feed the end of the torch lead and the Strain

Relief into the hole in the unit while routing
the single black wire into the notch of the Strain
Relief.

e. Tighten the Strain Relief Nut to secure the Strain

Relief to the Power Supply.

2. Disconnect the main input power to the power sup­ply.

3. Remove the existing torch and strain relief from
the power supply, removing covers as requir ed.

4. On the RPT Torch remove the retaining nut from
the Strain Relief.

5. The Control Connector Plug must be installed per

©2000 Thermal Dynamics Corp., Printed in USA 1 Manual 0-2829 Dated 5/12/00

the following:

a. Connect the Control Connector Plug to the

Power Supply.

b. Inside the Power Supply Bulkhead area, route

the Remote Control Connector end of the Con­trol Connector Plug through the Strain Relief
Nut.

c. Continue routing the connector out the hole in

the front of the Power Supply.

6. Connect the pilot wire (+) from the replacement
torch to the Power Supply 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 with four con­nectors, as follows:

a. Connect the Control (PIP) Circuit Connectors

to the mating connectors on the Adapter on the
Power Supply.

b. The Control Connector Plug has two additional

Shield Connectors that are used for Shielded
Systems only. These two connectors are not

used and need to be taped out of the way to
prevent contacting the Negative/Plasma or
Pilot Leads.

9. Tighten the Strain Relief onto the Torch Leads.

10. Reinstall any covers removed (see WARNING).

Control Connector

Control Connector

Plug

Negative/Plasma
Lead Connection

11. Install the pr oper 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

B. Mechanized Systems With Shielded Leads

1. Turn OFF the power supply.

2. Disconnect the main input power to the power sup­ply.

3. Remove the existing torch and strain relief from
the power supply, removing covers as required.

4. On the RPT Torch remove the retaining nut from
the Strain Relief.

5. The Control Connector Plug must be installed per
the following:

a. Connect the Control Connector Plug to the

Power Supply.

b. Inside the Power Supply Bulkhead area, route

the Remote Control Connector end of the Con­trol Connector Plug through the Strain Relief
Nut.

c. Continue routing the connector out the hole in

the front of the Power Supply.

d. Feed the end of the torch lead and the Strain

Relief into the hole in the unit while routing
the single black wire into the notch of the Strain
Relief.

Control (PIP) Circuit

Connectors

Shield Connectors

Pilot Lead

Stud

Remote
Cable
Connector

Negative/Plasma

Lead

Torch Lead

Assembly

Pilot Lead

A-02844

6. Connect the pilot wire (+) from the replacement
torch to the Power Supply 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 (PIP) and Shield Connectors
to the mating connectors on the Control Connec­tor Plug.

9. Tighten the Strain Relief onto the Torch Leads.

10. Reinstall any covers removed (see WARNING).

1 1. 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).

e. Tighten the Strain Relief Nut to secure the Strain

14. Test torch for proper operation

Relief to the Power Supply.

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.

©2000 Thermal Dynamics Corp., Printed in USA 2 Manual 0-2829 Dated 5/12/00