Hypertherm HT2000 Referenzhandbuch

THC Motherboard Relay

Replacement

Kit: 128404

Field Service Bulletin

IM-356

(P/N 803560)

Revision 0 April, 1999

Hypertherm, Inc.

Hanover, NH

http://www.hypertherm.com

email:[email protected]

Hypertherm, HyDefinition, HT, HyLife, LongLife, MAX, PAC and Powermax are trademarks of Hypertherm, Inc.,

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

Hypertherm Offices Worldwide

Hypertherm, Inc.

Etna Road, P.O. Box 5010

Hanover, NH 03755 USA

Tel.: (603) 643-3441 (Main Office)

Fax: (603) 643-5352 (All Departments)

Tel.: (800) 643-9878 (Technical Service)

Tel.: (800) 737-2978 (Customer Service)

Hypertherm Plasmatechnik GmbH

Technologiepark Hanau

Rodenbacher Chaussee 6

D–63457 Hanau-Wolfgang, Germany

Tel.: 49 6181 58 2100

Fax: 49 6181 58 2134

European Technical Support Organization (ETSO)

Technologiepark Hanau

Rodenbacher Chaussee 6

D–63457 Hanau-Wolfgang, Germany

Tel.: 49 6181 58 2100

Fax: 49 6181 58 2134

Hypertherm Singapore Pte Ltd

No. 19 Kaki Bukit Road 2

K.B. Warehouse Complex

Singapore 417847, Republic of Singapore

Tel.: 65 841 2489

Fax: 65 841 2490

Hypertherm U.K.

9 Berkeley Court • Manor Park

Runcorn, Cheshire, England WA7 1TQ

Tel.: 44 1928 579 074

Fax: 44 1928 579 604

France

10, Allée de I’lsara

F-95000 Cergy-Pontoise, France

Tel.: 33 1 34 24 03 05

Fax: 33 1 34 25 09 64

Italy

Via Torino 2

20123 Milan, Italy

Tel.: 39 02 725 46 312

Fax: 39 02 725 46 400

THC Motherboard Up / Down DC Relay Replacement

Page 1

Field Service Bulletin 803560

WARNING

ELECTRIC SHOCK CAN KILL

MODIFICATION MUST BE PERFORMED ONLY BY HYPERTHERM TECHNICIANS,

DISTRIBUTORS OR QUALIFIED ELECTRONICS TECHNICIANS

HT2000, HT2000LHF, MAX200, HT4100: Push the OFF (0) button on the power

supply and turn the main disconnect switch OFF before removing the front panel of the

power supply.

HT4001: Position the ON/OFF circuit breaker on the rear of the power supply to the

OFF (O) position and turn the main disconnect switch OFF before removing the rear

panel of the power supply.

128404 Kit Contents

Part No. Description Qty

003111 Relay: .02-1A@10-200 VDC, Solid State 2

803560 FSB: THC Motherboard Up/Down DC Relay Replacement 1

INTRODUCTION

This field replacement kit is for customers that have an HT4001, HT4100, HT2000, HT2000LHF or MAX200

power supply with the on-board torch height (THC) control system, and who need to interface the THC torch

UP/DOWN motion signals with a DC torch-lifter motor.

THC Motherboard Up / Down DC Relay Replacement

Page 2

Field Service Bulletin 803560

Relay Replacement

The stock THC motherboard comes with AC relays for torch UP and DOWN control. These 2 relays, CR2 and

CR3 must be removed from the motherboard and replaced with the 003111 DC relays from this kit.

HT2000, HT2000LHF, MAX200, HT4100:

1. Remove the power supply front panel.

HT4001:

1. Remove the power supply rear panel.

All Systems:

2. Locate the THC motherboard.

3. Remove 4 screws that fasten the plastic THC cover to the THC pcb assemblies.

THC Motherboard

Remove screws

THC Motherboard Up / Down DC Relay Replacement

Page 3

Field Service Bulletin 803560

4. Locate CR2 and CR3 on the THC motherboard.

CR2

CR3

5. Remove the screws securing CR2 and CR3 to the motherboard.

6. Gently pull the CR2 and CR3 relays from their sockets.

7. Insert the 003111 relays into the motherboard sockets.

8. Reinstall the CR2 and CR3 screws to secure the 003111 relays to the motherboard.

9. Refasten the THC plastic cover to the THC motherboard.

10. Reinstall the power supply covers.

Installation is complete. Refer to your system instruction manual to connect the machine interface cable to the

torch lifter motor.

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