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BS ISO 20918:2007

Current
Current

The latest, up-to-date edition.

Road vehicles. Braking threshold pressures for heavy commercial vehicle combinations with fully pneumatic braking systems. Test with roller brake tester
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-30-2007

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 System threshold pressure recommendation
5 Apparatus
6 Procedure
  6.1 General
  6.2 Vehicle test for truck and semi-trailer tractor
  6.3 Vehicle test for trailer
Annex A (informative) - Report form for the roller brake
        test if printouts not available
Annex B (informative) - Examples of roller brake test
        printouts for the measurement of system
        threshold pressure
Bibliography

Specifies a method to evaluate the braking threshold of heavy commercial vehicle combinations with pneumatic braking systems, by means of a roller brake tester.

This International Standard describes a method to evaluate the braking threshold of heavy commercial vehicle combinations with pneumatic braking systems, by means of a roller brake tester.

This International Standard describes procedures for workshops and garages and provides

  • a recommended pressure range of the system threshold pressure for motor vehicles and trailers, and

  • a recommended practice for determining the system threshold pressure.

NOTE Motor vehicles and trailer combinations with conventional braking systems are covered by the procedures given in this International Standard. Motor vehicles with a conventional braking system coupled to an EBS equipped trailer can also be tested using the procedure given in this International Standard, as the pneumatic control line is used.

This International Standard covers neither high-pressure compatibility, including the control of the coefficient of friction between lining/pad and drum/disc, nor dynamic influences. This International Standard is not for use at Type Approval.

Committee
AUE/15
DevelopmentNote
Supersedes 06/30127261 DC. (11/2007)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 20918:2007 Identical

ISO 611:2003 Road vehicles Braking of automotive vehicles and their trailers Vocabulary
ISO 21069-1:2004 Road vehicles — Test of braking systems on vehicles with a maximum authorized total mass of over 3,5 t using a roller brake tester — Part 1: Pneumatic braking systems
SAE J 1505 : 2011 BRAKE FORCE DISTRIBUTION TEST PROCEDURE - TRUCKS AND BUSES

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Hardcopy - English
PDF - English
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