ISO INTERNATIONAL STANDARD 8709 Second edition 2010-04-15 Mopeds Brakes and brake systems Tests and measurement methods Cyclomoteurs - Freins et systemes de freinage Méthodes d'essai et demesure Reference number ISO 8709:2010(E) @ ISO 2010 by IHS under lic itted without license from IHS Not for Resale ISO 8709:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT @ISO2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, isO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ Iso 2010 - All rights reserved I without license from IHS Not for Resale ISO 8709:2010(E) Contents Page Foreword .iv 1 Scope 2 Normative references 3 Terms and definitions ... 3.1 Vehicle categories .... 3.2 Brake system and components 3.3 Types of brake systems. 3.4 Moped loading .. 3.5 Test parameters.. 4 Test site conditions. 4.1 Testsurface 4.2 Wind speed ... 4.3 Ambient temperature 4.4 Test lane for dynamic tests .. 5 Moped preparation 5.1 5.2 Engine idle speed 5.3 Mass distribution.. 5.4 Instrumentation 5.5 Burnishing... 6 Test requirements ..... 6.1 Brakes.. 6.2 Brake temperature measurement 6.3 Application of control forces. .8 6.4 Test sequence.... 6.5 Rider... .8 6.6 Automatictransmission.. 9 6.7 Mopedpositionandwheellock... 6.8 Test speed tolerance... 6.9 Measurement of dynamic performance 6.10 10 < 10 7.1 Dry stop test (single brake control actuated)..... 10 7.2 Wet brake test.... 11 7.3 Parking brake system test.... 7.4 Power-assisted brake system failure test.. 14 Annex A (normative) Specimen format for test resuit sheet..... 16 21 Copyrght International OrganizaionStadardizaonghtsreserved ii ted withoutlicensefromIHS Not for Resale