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Itowa SW1 User Manual

Load limiter
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USER'S MANUAL
LOAD LIMITER
SW1

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Summary of Contents for Itowa SW1

  • Page 1 USER’S MANUAL LOAD LIMITER...
  • Page 3 ANY REPRODUCTION, EITHER COMPLETE OR IN PART, OF THIS MANUAL IS STRICTLY PROHIBITED UNLESS ITOWA HAS GIVEN ITS WRITTEN CONSENT. OTHERWISE, ITOWA RESERVES THE RIGHT TO INITIATE ALL APROPIATE ACTIONS AS ESTABLISHED IN LAW ITOWA RESERVES THE RIGHT TO MODIFY THIS MANUAL WITHOUT PRIOR ADVICE.

  • Page 5: Table Of Contents

    LOAD LIMITER SW1 USER’S MANUAL TABLE OF CONTENTS: 1. INTRODUCTION 2. TECHNICAL DATA 3. SW1 MODEL 4. INSTALLATION AND CONNECTIONS 4.1.1. ASSEMBLING 4.1.2. INSTALLATION 4.2. ADJUSTMENT PROCESS 4.3. CONNECTION 4.4. CALCULATION OF CABLE TENSION APPENDIX A. USEFUL ADRESSES...

  • Page 7: Introduction

    LOAD LIMITER SW1 USER’S MANUAL 1. INTRODUCTION The SW load limiter has been designed to avoid the overloads, which usually appear in lifter equipments as tower cranes, travelling cranes, elevators… It avoids breakage in cables, hooks, wheels, beams and rails distortion, and the rest of damages and accidents caused by overloading.

  • Page 9: Technical Data

    LOAD LIMITER SW1 USER’S MANUAL 2. TECHNICAL DATA Repeatability: 1 % F.E. Operation limit temperatures: - 30º C / + 80º C ( -22º F / 176º F) Overload: 300 % F.E. (F.E. = Crane nominal load) Output of contacts: 15 A ;...

  • Page 11: Sw1 Model

    LOAD LIMITER SW1 USER’S MANUAL 3. SW1 MODEL MOD: SW1 XXXX / YY / Z XXXX Capacities per cable branch 200, 500, 1000, 1500, 2000, 3000, 4000, 10000 kg (441, 1102, 2204, 3304, 4409, 6614, 8818, 21980 pounds) Cable diameter 5, 6, 7, 8, 9...25...

  • Page 13: Installation And Connections

    LOAD LIMITER SW1 USER’S MANUAL 4. INSTALLATION AND CONNECTIONS 4.1.1. ASSEMBLING The load limiter must be assembled 50 cm (20 inches) down to the end of the fixed crane rope or any other lifting machine, near the rocker arm or balancing wheel.
  • Page 14 LOAD LIMITER SW1 USER’S MANUAL c) To increase the weight limit, you must turn the limit screw (2) on clockwise way (for drecrease it, use the opossite way). d) Once adjusted, you must block it with the fixation screw (1). We recommend sealing it with some plastic material.

  • Page 15: Connection

    LOAD LIMITER SW1 USER’S MANUAL 4.3. CONNECTION The load limiter has a switch contact usually closed (NC): COM : Brown colour NC : Black colour Ground: Blue colour This contact should activate the crane’s command control. 4.4. CALCULATION OF CABLE TENSION...

  • Page 17: Appendix

    LOAD LIMITER SW1 USER’S MANUAL APPENDIX A. USEFUL ADRESSES ITOWA S.A.U. c/ Faraday, 159 08224 TERRASSA (BARCELONA) Telf.: +34-93.733.98.50 Fax: +34-93.789.13.51 E-mail: info@itowa.com http:://www.itowa.com...
  • Page 19 DCLIMMCGB – REV. 1 EC - DECLARATION of CONFORMITY The manufacturer: ITOWA, S.A C/ Faraday, 159 08224-Terrassa Barcelona, SPAIN Tel.: + 34 93 733 98 50 Fax: + 34 93 789 13 51 Declares under its responsibility that the product designated as:...
  • Page 21 GUARANTEE ITOWA equipment have one year guarantee. This guarantee will be effective at its departure from our warehouse. Guarantee includes replacement or repair of defective components, as well as labour Guarantee is valid with the units placed at ITOWA’s facilities in Terrassa, Spain.

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