1、BRITISH STANDARD AUTOMOBILE SERIES BS AU 215-2:1987 ISO7804:1985 Power take offs (PTOs) Part2: Specification for dimensions of side openings for commercial road vehicles ISO title: Commercial road vehicles Side openings for truck power take-offs UDC629.114.2+629.114.4:629.113-494BSAU215-2:1987 This
2、BritishStandard, having been prepared under the directionof the Automobile Standards Committee, was published under the authority ofthe Board of BSI and comes intoeffect on 30January1987 BSI02-2000 The following BSI references relate to the work on this standard: Committee reference AUE/13 Draft for
3、 comment82/80538DC ISBN 0 580 15689 3 Committees responsible for this BritishStandard The preparation of this BritishStandard was entrusted by the Automobile Standards Committee (AUE/-) to Technical Committee AUE/13, upon which the following bodies were represented: Department of Transport (Highways
4、) Freight Transport Association Institute of Road Transport Engineers (Incorporated) London Regional Transport Ministry of Defence National Bus Company Road Haulage Association Ltd. Society of Motor Manufacturers and Traders Limited Amendments issued since publication Amd. No. Date of issue Comments
5、BSAU215-2:1987 BSI 02-2000 i Contents Page Committees responsible Inside front cover National foreword ii 1 Scope and field of application 1 2 Definition 1 3 Specifications 1 4 Designation 1 Figure 1 Type R regular duty type6bolts M10Type R1 2 Figure 2 Type R regular duty type6bolts M10Type R2 (wide
6、 centre opening) 3 Figure 3 Type H (H1 and H2) heavy duty type8bolts M12 4BSAU215-2:1987 ii BSI 02-2000 National foreword This Part of BS AU215 has been prepared under the direction of the Automobile Standards Committee and is identical with ISO7804:1985 “Commercial road vehicles Side openings for t
7、ruck power take-offs”, published by the International Organization for Standardization (ISO). BS AU215-1 specifies dimensions for the clearance envelope for PTOs. Terminology and conventions. The text of the International Standard has been approved as suitable for publication as a BritishStandard wi
8、thout deviation. Some terminology and certain conventions are not identical with those used in BritishStandards; attention is drawn especially to the following. The comma has been used as a decimal marker. In BritishStandards it is current practice to use a full point on the baseline as the decimal
9、marker. Wherever the words “International Standard” or “ISO7804” appear, referring to this standard, they should be read as “BritishStandard” and “BS AU215-2” respectively. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are respo
10、nsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 to4 and a back cover. This standard has been updated (see copyright
11、date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BSAU215-2:1987 BSI 02-2000 1 1 Scope and field of application This International Standard lays down the dimensions of side openings for truck power take-offs. These specifications
12、are applicable for all general installations of power take-offs on the transmission gear box of trucks and tractors where the size of the transmission permits. 2 Definition gear depth distance from transmission face to pitch line of power take-off drive gear 3 Specifications 3.1 Types This Internati
13、onal Standard defines two types of side opening: Type R: regular duty type,6 bolts M10 Type H: heavy duty type,8 bolts M12 Both types are specified with two alternative gear depths and subdivided accordingly. 3.2 Type R Type R shall have one of the following gear depths: Type R1:20 10mm Type R2:70 1
14、0mm Type R1 shall comply with the requirements of Figure 1. Type R2 shall comply with the additional requirements of Figure 2. 3.3 Type H Type H shall have one of the following gear depths: Type H1:14 10mm Type H2:64 10mm Types H1 and H2 shall comply with the requirements of Figure 3. 4 Designation
15、Example for the designation of a6bolt M10 side opening (type R) with gear depth20 10mm (code1): PTO opening ISO7804-R1BSAU215-2:1987 2 BSI 02-2000 NOTE 1Gear data and backlash are specified by gearbox manufacturer. NOTE 2PTO drive gear may be located either side of the vertical centre-line Figure 1
16、Type R regular duty type6bolts M10 Type R1BSAU215-2:1987 BSI 02-2000 3 NOTEFor all other dimensions, seeFigure 1. Figure 2 Type R regular duty type6 bolts M10 Type R2 (wide centre opening)BSAU215-2:1987 4 BSI 02-2000 NOTE 1Gear data and backlash are specified by gearbox manufacturer. NOTE 2PTO drive
17、 gear may be located either side of the vertical centre-line. Figure 3 Type H (H1 and H2) heavy duty type8 bolts M12blankBS AU 215-2:1987 ISO7804:1985 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandar
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