Earth-moving machinery -- Safety

ISO 20474-8:2017 gives the safety requirements specific to graders as defined in ISO 6165. It is intended to be used in conjunction with ISO 20474‑1, which specifies general safety requirements common to two or more earth-moving machine families. The specific requirements given in this document take precedence over the general requirements of ISO 20474‑1. ISO 20474-8:2017 deals with all significant hazards, hazardous situations and events relevant to the earth-moving machinery within its scope (see ISO 20474‑1:2017, Annex A) when used as intended or under conditions of misuse reasonably foreseeable by the manufacturer. It specifies the appropriate technical measures for eliminating or reducing risks arising from relevant hazards, hazardous situations or events during commissioning, operation and maintenance. ISO 20474-8:2017 is not applicable to machines manufactured before the date of its publication.

Engins de terrassement -- Sécurité

General Information

Status
Published
Publication Date
06-Jul-2017
Current Stage
6060 - International Standard published
Start Date
07-Apr-2017
Completion Date
07-Jul-2017
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INTERNATIONAL ISO
STANDARD 20474-8
Second edition
2017-07
Earth-moving machinery — Safety —
Part 8:
Requirements for graders
Engins de terrassement — Sécurité —
Partie 8: Exigences applicables aux niveleuses
Reference number
ISO 20474-8:2017(E)
ISO 2017
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ISO 20474-8:2017(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2017, Published in Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form

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ii © ISO 2017 – All rights reserved
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ISO 20474-8:2017(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Safety requirements and protective measures ..................................................................................................................... 2

4.1 General ........................................................................................................................................................................................................... 2

4.2 Operator station ..................................................................................................................................................................................... 2

4.2.1 Operator’s seat ................................................................................................................................................................... 2

4.2.2 Rear windows ..................................................................................................................................................................... 2

4.3 Fenders .......................................................................................................................................................................................................... 2

4.4 Steering system ...................................................................................................................................................................................... 2

4.4.1 General...................................................................................................................................................................................... 2

4.4.2 Controls .................................................................................................................................................................................... 2

4.4.3 Steering performance test ....................................................................................................................................... 2

4.4.4 Safety requirements for travelling mode .................................................................................................... 2

5 Information for use ............................................................................................................................................................................................ 2

Annex A (informative) Illustrations....................................................................................................................................................................... 4

Bibliography ................................................................................................................................................................................................................................ 5

© ISO 2017 – All rights reserved iii
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ISO 20474-8:2017(E)
Foreword

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