Tweco 9-9436 User Manual

Manual 0-4743

82 Benning Street, West Lebanon, NH 03784 USA

[phone] • www.thermal-dynamics.com

General Information

This kit is for use only with Thermal Dynamics Auto-Cut
20O2 and 30O2 Power Supplies and Thermal Dynamics
Plasma Cutting Machine Torches. Do not use this kit with
any other equipment.

This kit accepts preflow, plasma, and shield gases and
water from the Gas Control Module and supplies these
gases to the Torch.

Supplied Parts

• Torch Valve Assembly

• Installation Instructions

Torch Valve Kit No. 9-9436

Installation Instructions

Installation

®

WARNING

Disconnect primary power at the source.

1. Mount the Valve Kit as close as possible to the Torch.
The valve kit can be mounted in any convenient posi­tion, provided the outlet side (with two fittings) is closer
to the torch than the inlet side (with three fittings and a
control cable connector).

2. Connect the Valve Kit outlets to the torch leads as
shown.

2.06 in
52 mm

3.72 in
95 mm

4.63 in

118 mm

3.34 in
85 mm

Art # A-04760

Do not remove brass plugs

Right-hand Thread:

To Torch Shield Gas fitting

Left-hand Thread:

Art # A-04761

To Torch Plasma Gas fitting

Outlet Side

© 2005 Thermadyne Corp.

April 4, 2006 1 Manual 0-4743 Rev. AA

3. Connect the gas supply lines and the control cable con­nector from the Gas Control Module to the Valve Kit as
shown. Hold the check valves stationary while at­taching the gas lines.

Control Cable

Water Inlet

Shield Gas Inlet

Preflow Gas Inlet

Plasma Gas Inlet

Art # A-07028

Operation

Operation of the Torch Valve is controlled by the Gas Con­trol Module. The Torch Valve does not require any adjust­ment or calibration.

Control Connector Pinout Diagram

1

12

3: Ground

6: To SV14 (Bottom)

14

13

NOTE

2: To SV16 (Top)

5: To SV14 (Top)

4: To SV16 (Bottom)

8: To SV15 (Top)

9: To SV15 (Bottom)

Art # A-07426

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.

7

11

10

April 4, 2006 2 Manual 0-4743 Rev. AA