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Hypertherm ArcWriter 128774 Field Service Bulletin

Contactor replacement

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ArcWriter

Contactor Replacement

Kit # (128774)

Field Service Bulletin

(P/N 804450)

Revision 0 – July, 2002

Hypertherm, Inc.

Hanover, NH USA

www.hypertherm.com

Hypertherm and ArcWriter are trademarks of Hypertherm, Inc.

and may be registered in the United States and/or other countries

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Page 1 (P/N 804450) Revision 0 – July, 2002 Hypertherm, Inc. Hanover, NH USA www.hypertherm.com © Copyright 2002 Hypertherm, Inc. All Rights Reserved Hypertherm and ArcWriter are trademarks of Hypertherm, Inc. and may be registered in the United States and/or other countries...
Page 2: Electric Shock Can Kill
ArcWriter CONTACTOR REPLACEMENT WARNING ELECTRIC SHOCK CAN KILL Disconnect electrical power before performing any maintenance. All work requiring removal of the cover must be performed by a qualified technician. See Section 1 of the Operator Manual for more safety precautions. Introduction Purpose Replacement of the contactor.
Page 3 ArcWriter CONTACTOR REPLACEMENT Remove cover from power supply. Locate contactor and disconnect all wires. Remove screws (4) and discard old contactor and screws. Field Service Bulletin...
Page 4 ArcWriter CONTACTOR REPLACEMENT Use the 2 existing holes shown below and the 2 screws (075063 ) provided in this kit to install the DIN rail (104000). Field Service Bulletin...
Page 5 ArcWriter CONTACTOR REPLACEMENT Slide new contactor on DIN rail. See figure below for proper orientation. Connect wires to new contactor. Re-install power supply cover. Field Service Bulletin...