Tweco M-42 RPT - Manual

January 23, 2004 1 Manual 0-2856
General Information
The PCH / M-42 RPT Replacement Torches are suitable
for use with various Power Supplies and are connected
using various Adapter Kits purchased separately.
The Torches are supplied with 20 ft (6.1 m), 25 ft (7.6 m)
or 50 ft (15.2 m) Leads as follows:
Description Catalog #
PCH-42R RPT Hand Torches With Standard Handle
70° Head, 20 ft (6.1 m) Leads 7-4226
90° Head, 20 ft (6.1 m) Leads 7-4227
PCH-42ER RPT Hand Torches With Ergonomic Handle
70° Head, 20 ft (6.1 m) Leads 7-4220
90° Head, 20 ft (6.1 m) Leads 7-4222
70° Head, 50 ft (15.2 m) Leads 7-4221
90° Head, 50 ft (15.2 m) Leads 7-4223
PCM-42 RPT Machine Torches
180° Head, 25 ft (7.6 m) Leads 7-4224
180° Head, 50 ft (15.2 m) Leads 7-4225
These instructions are supplied to ensure the proper in-
stallation of the Replacement Torches. It is recommended
to thoroughly read the instructions first, before attempt-
ing the installation of the kit.
Supplied Parts
The following parts are supplied:
• PCH-42R, PCH-42ER or PCM-42 RPT Torch With
Leads - 1 each
• Installation Instructions - 1 each
Manual 0-2856
PCH / M-42 RPT
Replacement Torches
Installation Instructions
General Torch Description
The Replacement Torches provide cutting capabilities of
up to 40 amperes. In the torch, a single torch lead pro-
vides gas from a single source to be used as both the
plasma and secondary gas. The gas flow is divided in-
side the torch head. Single - gas operation provides a
smaller sized torch and inexpensive operation.
Torch Specifications & Design
Features
The following applies to the Replacement Torches only:
A. Torch Configurations
1. Hand Torches
Available with torch head at 70° or 90° to the torch
handle. The hand torches include a torch handle
and torch switch assembly.
Torches with 20 ft (6.1 m) leads use the standard
handle with top mounted switch or the ergonom-
ics handle with bottom mounted switch.
Torches with 50 ft (15.2 m) leads use only the er-
gonomics type handle and switch.
A-02540 70 o Hand Torches
90 o Hand Torches
'R' Type
Handle
'ER' Type
Handle
© 2001 by Thermal Dynamics Corp., Printed in USA
82 Benning Street, West Lebanon, NH 03784 USA
(603) 298-5711 • www.thermal-dynamics.com