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1、STD-IS0 8437-ENGL 3787 m 4853703 0703837 T2T m INTERNATIONAL STANDARD IS0 8437 First edition AMENDMENT 1 1989-1 1 -1 5 1997-04-01 Snowthrowers - Safety requirements and test procedures AMENDMENT 1 Chasse-neige - Exigences de scurit et essais AMENDEMENT 1 This material is reproduced trom IS0 document
2、s under International Organization for Standardization (EO) Copyright License number IHSIICC11996. Not for resale. No part of these IS0 documents may be reproduced in any form, electronic retrieval system or otherwise, except as allowed in the copyright law of the country of use, or with the prior w
3、ritten consent of IS0 (Case postale 56,1211 Geneva 20, Swikerland, Fax +41 22 734 10 79), IHS or the IS0 Licensors members. Reference number IS0 8437:1989/Amd. 1 : 1 997( E) COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Org
4、anization for Standardization Licensed by Information Handling Services STD*ISO 8937-ENGL 3787 H 4853703 07038LB 7bb IS0 8437: 1 989/Amd. 1 : 1 997( E) Foreword IS0 (the International Organization for Standardization) is a worldwide federation of national standards bodies (IS0 member bodies). The wo
5、rk of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non- govern
6、mental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for vot
7、ing. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Amendment 1 to International Standard IS0 8437:l 989 was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and forestry, Subcommittee SC 13, Powered l
8、awn and garden equipment. Q IS0 1997 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International
9、 Organization for Standardization Case postale 56 CH-121 1 Genve 20 Switzerland Internet centralOiso.ch X.400 c=ch; a400net; p=iso; o=isocs; s=central Printed in Switzerland ii COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International
10、Organization for Standardization Licensed by Information Handling Services IS0 STD-IS0 8437-ENGL 3787 4853703 0703817 AT2 IS0 8437:1989/Amd. 1 :1997(E) Snowthrowers - Safety requirements and test procedures AMENDMENT 1 Page I , subclause 1.2 Delete the reference to IS0 5395:-) and add the following
11、normative references: IS0 5395: 1 990, Power lawn-mowers, lawn tractors, lawn and garden tractors, professional mowers, and lawn and garden tractors with moving attachments - Definitions, safety requirements and test procedures. IS0 1 1684:1995, Tractors, machinery for agricultural and forestry, pow
12、ered lawn and garden equipment - Safety signs and hazard pictorials - General principles. Page 4, subclause 2.2.3.1 Delete “NOTE - Snow discharge guides are under study“. Page 4, subclause 2.2.4 Replace the first phrase with the following: The sides shall cover the diametral extremities of the colle
13、ctor/impeller, as shown in figure 3. Replace the second paragraph with the following: A durable label containing the signal word “DANGER“ or a symbol shall be located on the housing and readable from the operator position. It should be accompanied by a message such as “Avoid injury from rotating aug
14、er- keep hand, feet and clothing away“. (See 2.5 and 2.7.) Ancillary openings, such as those required to facilitate manufacture or mount accessories, shall not intersect the operator position. Openings that intersect the operator position shall be guarded in compliance with subclauses 2.2.1 and 2.2.
15、2. Intersection, as applied here is defined as allowing line-of-sight between the collector and/or impeller and the operator position. Page 4, subclause 2.4 Replace “IS0 5395-2:1981, clause 3.5“ with “IS0 5395:1990, subclause 2.2. Page 4, subclause 2.5 Replace “IS0 5395-2:1981, clause 3.3“ with “IS0
16、 5395:1990, subclause 2.2. 2“. 0.2“. 1 COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services STDDISO 8437-ENGL 1989 W 4853903 0703820 514 IS0 8437:1989/Amd.
17、 1:1997(E) Page 5, subclause 2.6.2.1.1 Add “minimurn“ to the first phrase to read “the minimum impeller imbalance“ Page 5, subclause 2.6.2.3.7 Replace the last phrase of the second paragraph with the following: In either case, the vertical travel of the sphere shall be at least 1,3 m. Page 8, subcla
18、use 3.1.2.3 Replace the phrase with the following: A means shall be provided to prevent the starting of the engine unless - - the impeller drive is disengaged, and the traction drive is disengaged or in neutral. Page 1 O, subclause 3.2.4 Replace the first phrase with the following: The sides shall c
19、over the diametral extremities of the collector/impeller, as shown in figure 3 Replace the second paragraph with the following: A durable label containing the signal word “DANGER“ or a symbol shall be located on the housing and readable from the operator position. It should be accompanied by a messa
20、ge such as Avoid injury from rotating auger - keep hands, feet and clothing away. (See 3.5 and 3.7.) Ancillary openings, such as those required to facilitate manufacture or mount accessories, shall not intersect the operator position. Openings that intersect the operator position shall be guarded in
21、 compliance with subclauses 2.2.1 and 2.2.2. Intersection, as applied here is defined as allowing line-of-sight between the collector and/or impeller and the operator position. Page 10, subclause 3.2.5 Delete this subclause and renumber the following two subclauses. Page 12, subclause 3.7.2.1.1 Add
22、“minimum“ to the first phrase to read “the minimum impeller imbalance“ Page 72, subclause 3.7.2.3.7 Replace the last phrase of the second paragraph with the following: In either case, the vertical travel of the sphere shall be at least 1,3 m. Page 14, subclause 3.7.7.3.2.3 In a) delete the words “fo
23、r forward stability“. 2 COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services Q IS0 STD-IS0 Li37-ENGL 1989 Li851903 0703823 450 M IS0 8437: 1989/Amd. 1 : 1
24、997( E) Page 15, subclause 3.8 Replace the first paragraph with the following: A durable label statement or pictorials of safety practices in normal operating and servicing of the vehicle and power driven attachments shall be provided. See IS0 11 684 for the appropriate pictorial. Page 18 Replace th
25、e existing figure 3 with the following figure 3. Dimensions in millimetres _._.- Minimum side of collector housing Maximum diametral extremity of collector/impeller NOTE - Shaded area indicates the maximum allowable exposure of the coliector/impeller Figure 3 - Snowthrower housing 3 COPYRIGHT Intern
26、ational Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services STDmISO 8437-ENGL 1787 4851703 0703822 377 = IS0 8437:1989/Amd. 1 :1997(E) ICs 43.160 Descriptors: road vehicles, spec
27、ial road vehicles, snow ploughs, specifications, safety requirements, tests. Price based on 3 pages COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services Sn
28、owthrowers - Safety requirements and test procedures Chasse-neige - Exigences de scurit et essais Reference number IS0 8437 : 1989 (E) COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed
29、by Information Handling Services IS0 8437 : 1989 (E) Contents Page Foreword iv Section 1 : General 1.1 Scope 1 1.2 Normative references . 1 1.3 Definitions 1 Section 2: Walk-behind snowthrower 2.1 Controls 3 2.1.1 General requirements . 3 2.1.2 Specific requirements 3 2.2 Guards. shields. guides. de
30、flectors and housings 3 2.2.1 General 3 2.2.2 Installation 4 2.2.3 Snow guides and deflectors . 4 2.2.4 Collector and/or impeller housing 4 2.2.5 Engineexhaust 4 2.2.6 Fueloverflow . 4 2.3 Servicing 4 2.4 Electrical requirements 4 2.5 Durable label requirements . 4 2.6 Tests for power snowthrowers .
31、 4 2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.6.6 2.6.7 2.6.8 2.6.9 Testconditions 4 Structural integrity tests 5 Controls test 5 Temperature of exposed surfaces 6 Probetest 6 Stability 6 Fuel tank overfill test Fuel line axial pull test Tilt test for controls 7 7 7 o IS0 1989 All rights reserved . No part of
32、this publication may be reproduced or utilized in any form or by any means. electronic or mechanical. including photocopying and microfilm. without permission in writing from the publisher . International Organization for Standardization Case postale 56 o CH-I211 Genve 20 o Switzerland Printed in Sw
33、itzerland COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services 8437-89 IS0 8437 : 1989 (E) 2.7 Safety instructions . 7 Section 3: Ride-on snowthrower 3.1 C
34、ontrols 8 3.1.1 General requirements . 8 3.1.2 Specific requirements 8 3.2 Guards. shields. guides. deflectors and housings 10 3.2.1 General 10 3.2.2 Installation 10 3.2.3 Snow guides and deflectors . 10 3.2.4 Collector and/or impeller housing 10 3.2.5 Discharge guide opening 10 3.2.6 Hotsuriaces 10
35、 3.2.7 Engineexhaust 11 3.2.8 Fuel overflow . 11 3.3 Servicing 11 3.4 Electrical requirements 11 3.5 Durable label requirements . 11 3.6 General requirements . 11 3.6.1 Slip-resistant surface . 11 3.6.2 Reflectors 11 3.7 Tests for power snowthrowers . 11 3.7.1 3.7.2 3.7.3 3.7.4 3.7.5 3.7.6 3.7.7 3.7
36、.8 3.7.9 3.7.10 Testconditions . 11 Structural integrity tests . 12 Controls test . 12 Temperature of exposed surfaces . 12 Probetest . 13 Stability requirements and tests . 13 Braking requirements and tests . 14 Fueltankoverfilltest 14 Fuel line axial pull test . 14 Tilt test for controls . 15 3.8
37、Safety instructions . 15 Figures 1 Arcticmitten 15 2 Operator position. operator control position and hazard zone for walk-behind and ride-on snowthrowers 16 3 Snowthrowerhousing 18 4 Impact test fixture 19 5 Probe 20 Annexes A Safety instructions for walk-behind and ride-on snowthrowers . 21 B Bibl
38、iography 23 iii COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services 8437-89 IS0 8437 : 1989 E) Foreword IS0 (the International Organization for Standardiz
39、ation) is a worldwide federation of national standards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be
40、 represented on that committee. International organizations, govern- mental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International
41、 Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IS0 Council. They are approved in accordance with IS0 procedures requiring at least 75 % approval by the member bodies voting. International Stand
42、ard IS0 8437 was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and forestry. Annex A forms an integral part of this International Standard. Annex B is given for information only. COPYRIGHT International Organization for Standardization Licensed by Information Hand
43、ling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services Section 1 : General 1 COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed
44、by Information Handling Services 8437-89 4853903 0078368 9 IS0 8437 : 1989 (E) 1.3.12 projected exhaust outlet area: Projection of the exhaust outlet openings perpendicular to the perimeter of the openings. For multiple openings, such as perforated outlets, the perimeter is determined by connecting
45、the adjacent outer- most holes with a series of tangent lines to circumscribe the area of the outlet holes pattern. (A 360 hole pattern on the outer perimeter of the exhaust system will require connecting lines at each end of the hole pattern.) For tubular or ducted outlet(s), the projection is dete
46、rmined by an extension from the walls of each outlet. 1.3.13 snow discharge deflector: Movable component used to direct snow discharging from a snow discharge guide. 1.3.14 snow discharge guide: Movable or fixed compo- nent that directs snow discharging from the impeller housing. 1.3.15 ride-on snow
47、thrower: Self-propelled ride-on machine that is designed for throwing snow. 1.3.16 self-propelled snowthrower: Snowthrower equipped with a means for powered propulsion, other that the collector o r impeller, such as wheels or tracks. 1.3.17 walk-behind snowthrower: Snowthrowing machine, either pushe
48、d or self-propelled, normally controlled by the operator walking behind the unit. 2 COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services 8437-89 1 4 8 5 3
49、9 0 3 0078369 0 r IS0 8437 : 1989 (E) Section 2: Walk-behind snowthrower 2.1 Controls 2.1.1 General requirements 2.1.2.2 Engine speed control The direction of motion for an engine speed hand-lever control shall be generally forward or upward, or both, to increase speed, and generally rearward or downward, or both, to decrease speed. 2.1.1.1 Control identification 2.1.2.3 Drive interlock Durable labels shall be used to identify and show the direction of operation of all operating controls except the snow discharge guides, for which identification is optional. Labels shall be