Hypertherm ArcWriter 128774 Reference manual

ArcWriter®
Contactor Replacement
Kit # (128774)
Field Service Bulletin
(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

ArcWriter CONTACTOR REPLACEMENT
Field Service Bulletin 1
0
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. The old contactor has been obsoleted.
Kit # 128774: Contents
Part Number Description Qty
003212 Contactor: 3P with AC coil 1
075063 Screws: 6-32 x 1/2 inch 2
104000 Center Rail 1

ArcWriter CONTACTOR REPLACEMENT
2Field Service Bulletin
0
Remove cover from power supply.
1
Locate contactor and disconnect all wires.
2
Remove screws (4) and discard old contactor and screws.
3

ArcWriter CONTACTOR REPLACEMENT
Field Service Bulletin 3
0
Use the 2 existing holes shown below and the 2 screws (075063 ) provided in this kit to install
the DIN rail (104000).
4

ArcWriter CONTACTOR REPLACEMENT
4Field Service Bulletin
0
1L1 3L2 5L3 24v 50/60HZ 13NO A1
A2 14NO 6T3 4T2 2T1
1L1 3L2 5L3 24v 50/60HZ 13NO A1
A2 14NO 6T3 4T2 2T1
L1
L3
L2
18
20
2T1
6T3
4T2
19
21
Slide new contactor on DIN rail. See figure below for proper orientation.
5
Connect wires to new contactor.
6
Re-install power supply cover.
7