Hypertherm HyPerformance Plasma HPR800XD Manuale di riferimento

HPR800XD

Snubber Board Replacement

Field Service Bulletin

807340 – Revision 0 – June, 2011

HPR800XD SNUBBER BOARD REPLACEMENT

Field Service Bulletin 1

Introduction

Purpose

This field service bulletin provides the instructions necessary to replace the snubber board in an HPR800XD

power supply.

Kit 228841 contents

Part number Description Quantity

229340 Snubber sub-assembly: HPR800XD 1

WARNING

ELECTRIC SHOCK CAN KILL

Disconnect electrical power before performing any maintenance.

All work requiring removal of the power supply cover must be performed

by a qualified technician.

See the Safety Section of the system’s Manual for more safety

precautions.

HPR800XD SNUBBER BOARD REPLACEMENT

2 Field Service Bulletin

Remove the old snubber board

1. Remove the left side panel on the HPR800XD power supply.

Left side panel removed and installation location shown

2. Remove the two nuts and washers that secure wires A1 and A2 to the bus bars, and then remove the four screws

that secure the old snubber board to the back panel of the power supply. Keep the nuts, washers, and screws for

use when installing the new snubber board. Discard the old snubber board.

Snubber board assembly installation

Machine

screws Snubber board

assembly

Wire A1 and A2

connections

Location of the

snubber board

HPR800XD SNUBBER BOARD REPLACEMENT

Field Service Bulletin 3

2. Use the nut and washer that were removed earlier to secure wire A1 to terminal A1 on the bus bar.

Terminal A1

Wire A1

Wire A1 installation

Install the new snubber board

1. Orient the snubber board assembly as shown below and install it using the 4 machine screws that were removed

earlier.

Machine

screws

Snubber board

assembly

Location of the mounting screws

HPR800XD SNUBBER BOARD REPLACEMENT

4 Field Service Bulletin

Terminal A2

Wire A2

Wire A2 installation

3. Use the nut and washer that were removed earlier to secure wire A2 to terminal A2 on the bus bar.

3. Put the left side cover back on the power supply.

Hypertherm HPR800XD is a trademark of Hypertherm, Inc. and may be registered in the United States and/or other countries.

Hypertherm, Inc.

Hanover, NH 03755 USA

603-643-3441 Tel

Hypertherm Europe B.V.

4704 SE Roosendaal, Nederland

31 165 596907 Tel

Hypertherm (Shanghai)

TradingCo., Ltd.

PR China 200052

86-21 5258 3330 /1 Tel

Hypertherm (S) Pte Ltd.

Singapore 349567

65 6 841 2489 Tel

Hypertherm (India) Thermal

Cutting Pvt. Ltd.

Chennai, Tamil Nadu

91 0 44 2834 5361 Tel

Hypertherm Brasil Ltda.

Guarulhos, SP - Brasil

55 11 2409 2636 Tel

Hypertherm México, S.A. de C.V.

México, D.F.

52 55 5681 8109 Tel

Hypertherm Korea Branch

Korea, 612-889

82 51 747 0358 Tel

www.hypertherm.com

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