• BS ISO 7635 : 2006

    Current The latest, up-to-date edition.

    ROAD VEHICLES - AIR AND AIR/HYDRAULIC BRAKING SYSTEMS OF MOTOR VEHICLES, INCLUDING THOSE WITH ELECTRONIC CONTROL FUNCTIONS - TEST PROCEDURES

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2006

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols
    5 Test site conditions
       5.1 Test site
       5.2 Road surface condition
       5.3 Ambient conditions
    6 General requirements
    7 Recommended sequence of the tests
       7.1 Preparation and static checks and tests
       7.2 Basic performance tests - Unladen
       7.3 Failure tests - Unladen
       7.4 ABS tests - Unladen
       7.5 ABS tests - Laden
       7.6 Failure tests - Laden
       7.7 Basic performance tests - Laden
    8 Vehicle preparation
       8.1 Documents and basic data
       8.2 Braking system condition and bedding
       8.3 Adjustment of braking equipment
       8.4 Tyre conditions
       8.5 Devices and instruments needed for the testing
    9 Static tests and checks
       9.1 Static braking force and control force vs. line pressure
       9.2 Capacity of energy sources
       9.3 Service braking system - Response time measurement
       9.4 Automatic braking
       9.5 Brake failure and defect warning signals
       9.6 Tests on vehicles equipped with spring brake actuators
       9.7 Additional tests on vehicles equipped with EBS
    10 Basic performance tests - Unladen
       10.1 Type 0 test (service braking system cold brake
            effectiveness, engine disconnected)
       10.2 Type 0 test (service braking system cold brake,
            engine connected)
       10.3 Parking braking system - Hill holding test
       10.4 Secondary braking system test
       10.5 Wheel locking sequence
    11 Failure tests - Unladen
       11.1 Service braking system partial failure test
            (type 0 test, cold brake effectiveness, engine
            disconnected)
       11.2 Failed load sensing device test/function test
       11.3 Failure of the energy source on vehicles
            equipped with EBS
    12 ABS tests - Unladen
       12.1 ABS failure
       12.2 Determination of the peak coefficient of
            adhesion on the high adhesion surface
       12.3 Determination of adhesion utilization on
            high adhesion surface
       12.4 Determination of adhesion utilization on low
            adhesion surface
       12.5 Additional checks
    13 ABS tests - Laden
       13.1 Additional split adhesion test
       13.2 Energy consumption on low adhesion surface
    14 Failure tests - Laden
       14.1 Service braking system partial failure test
            (type 0 test, cold brake effectiveness, engine
            disconnected)
       14.2 Failed load sensing device test
       14.3 Energy source failure test
    15 Basic performance tests - Laden
       15.1 Parking braking system - Hill holding test
       15.2 Parking braking system - Dynamic test
       15.3 Wheel locking sequence
       15.4 Type 0 test (service braking system cold brake
            effectiveness, engine disconnected)
       15.5 Type 0 test (service braking system cold brake,
            engine connected)
       15.6 Warning device test
       15.7 Energy storage capacity test
       15.8 Type II or type IIA tests (downhill,
            endurance braking test)
       15.9 Type I test (fade test)
    Annex A (normative) Typical braking equipment
    Bibliography

    Abstract - (Show below) - (Hide below)

    Prescribes the method of testing the air or air over hydraulic braking systems of vehicles of categories M and N (excluding M1 and N1) as defined in Annex 7 to the UN-ECE Consolidated Resolution on the Construction of Vehicles (R.E.3.) which are built to comply with UN-ECE Regulation 13/09 including supplements 1-6.

    General Product Information - (Show below) - (Hide below)

    Committee AUE/11
    Development Note Supersedes 02/701576 DC (09/2006)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 611:2003 Road vehicles Braking of automotive vehicles and their trailers Vocabulary
    ISO 11452-3:2016 Road vehicles — Component test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 3: Transverse electromagnetic (TEM) cell
    ISO 7637-3:2016 Road vehicles — Electrical disturbances from conduction and coupling — Part 3: Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines
    ISO 7637-1:2015 Road vehicles Electrical disturbances from conduction and coupling Part 1: Definitions and general considerations
    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
    ISO 1176:1990 Road vehicles Masses Vocabulary and codes
    ISO 11452-4:2011 Road vehicles Component test methods for electrical disturbances from narrowband radiated electromagnetic energy Part 4: Harness excitation methods
    ISO 11451-3:2015 Road vehicles Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy Part 3: On-board transmitter simulation
    ISO 7637-2:2011 Road vehicles Electrical disturbances from conduction and coupling Part 2: Electrical transient conduction along supply lines only
    ISO 7638-2:2003 Road vehicles Connectors for the electrical connection of towing and towed vehicles Part 2: Connectors for braking systems and running gear of vehicles with 12 V nominal supply voltage
    ISO/TR 10605:1994 Road vehicles Electrical disturbances from electrostatic discharge
    ISO 3833:1977 Road vehicles Types Terms and definitions
    ISO/TR 10305:1992 Road vehicles Generation of standard EM field for calibration of power density meters from 20 kHz to 1 000 MHz
    ISO 12161:2006 Road vehicles Endurance braking systems of motor vehicles and towed vehicles Test procedures
    ISO 11452-2:2004 Road vehicles Component test methods for electrical disturbances from narrowband radiated electromagnetic energy Part 2: Absorber-lined shielded enclosure
    ISO 11452-1:2015 Road vehicles Component test methods for electrical disturbances from narrowband radiated electromagnetic energy Part 1: General principles and terminology
    ISO 7638-1:2003 Road vehicles Connectors for the electrical connection of towing and towed vehicles Part 1: Connectors for braking systems and running gear of vehicles with 24 V nominal supply voltage
    ISO 11452-5:2002 Road vehicles Component test methods for electrical disturbances from narrowband radiated electromagnetic energy Part 5: Stripline
    ISO 11451-2:2015 Road vehicles Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy Part 2: Off-vehicle radiation sources
    ISO 11452-7:2003 Road vehicles Component test methods for electrical disturbances from narrowband radiated electromagnetic energy Part 7: Direct radio frequency (RF) power injection
    ISO 7637-0:1990 Road vehicles Electrical disturbance by conduction and coupling Part 0: Definitions and general
    ISO 11451-4:2013 Road vehicles Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy Part 4: Bulk current injection (BCI)
    ISO 21069-2:2008 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 2: Air over hydraulic and purely hydraulic braking systems
    ISO 11451-1:2015 Road vehicles Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy Part 1: General principles and terminology
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