Tweco 7-3445 User Manual

Manual 0-2773

RPT Adapter Kit

Catalog # 7-3445

Installation Instructions

General Information

This Replacement T orch Adapter Kit is to be used to connect the Thermal Dynamics Plasma RPT Series Cutting T orc h
to the following equipment:

• Thermal Dynamics Pak Master 50 with Smart Torch

NOTE

Parts Supplied

For Mechanized Systems refer to the

The following parts are included in this kit:

• Signal Pin Connector with Wires and Connectors (1 ea)

• Pilot Adapter Fitting (1 ea)

• Rubber Insulator (1 ea)

• Tie-Wrap (1 ea)

Torch Control Cable Wiring Dia­gram on the last page of this Manual.

WARNING

Installation

Disconnect primary power to

Install the Adapter Kit per the following procedur e:

A. Disassembling Old Quick Disconnect

To disassemble the quick disconnect connector, use the follow­ing procedure (see Warning):

1. Disconnect the torch leads from the power supply.

2. Turn the outer r etaining nut until one of the three set scr ews in the inner r etaining ring is visible thr ough one
of the slots in the nut.

3. Partially loosen each of the set screws which secure the inner retaining ring and boot onto the quick discon­nect body. If the set screws are turned too far out, the outer r etaining nut will not turn properly.

A-00028

Set Screw
(Three)

the system before disassembling
the torch or torch leads.

Rotate outer retaining
nut to access all
three set screws

Outer Retaining Nut

Loosen Set Screws

© 1998 Thermal Dynamics Corp., Printed in USA

Manual 0-2773 1 Installation Instructions 8/21/01

4. Pull the protective boot and inner retaining ring from the quick disconnect body.

Protective Boot

Quick Disconnect

Body

Inner Retaining

Ring

Outer Retaining Nut

Rubber Cover &

Tie Wrap

A-00029

Disassembly Of Connector

5. Slide the protective boot and inner retaining ring back over the torch leads to expose the leads connections.

6. Slide the outer retaining nut back over the leads.

7. Using a pair of needle nose pliers remove the two white tabs on each side of the signal connector . These tabs
hold the connector tightly in place to prevent it from moving.

Quick Disconnect

Body

Signal Pin
Connector

A-00164

White Tabs

Removing White Tabs

8. Using a small screwdriver , gently push in the tabs on the front of the Signal Pin Connector. Carefully push the
connector out through the back of the quick disconnect body.

Signal Pin
Connector

Quick Disconnect

Body

A-00030

Removing Signal Pin Connector

9. Cut all the wires connected to the Signal Pin Connector. The rubber boot cannot fit over the Signal Pin Con­nector.

10. Disconnect the negative/plasma and pilot lead fittings.

Manual 0-2773 2 Installation Instructions 8/21/01