Tweco 400 MST Arc Master User Manual
Page 3

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WARNINGS
Read and understand this entire Manual and your employer’s safety practices before installing,
operating, or servicing the equipment.
While the information contained in this Manual represents the Manufacturer's best judgement,
the Manufacturer assumes no liability for its use.
ArcMaster 400 MST Inverter Arc Welder
Service Manual Number 0-4944B for:
Part Number 10-3072
Published by:
Thermadyne Corporation
82 Benning Street
West Lebanon, New Hampshire, USA 03784
(603) 298-5711
www.thermalarc.com
Copyright 2006, 2007, 2008 by
Thermadyne Corporation
All rights reserved.
Reproduction of this work, in whole or in part, without written permission of the publisher
is prohibited.
The publisher does not assume and hereby disclaims any liability to any party for any
loss or damage caused by any error or omission in this Manual, whether such error
results from negligence, accident, or any other cause.
Publication Date:
May 22, 2006
Revision AB Date:
February 7, 2008
Record the following information for Warranty purposes:
Where Purchased:
___________________________________
Purchase Date:
___________________________________
Equipment Serial #:
___________________________________