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 21069-2:2008 describes a procedure that generates comparable measurement results in roller brake testing, such that the efficiency of the service braking system can be assessed reliably wherever the roller brake tests are performed.

The following items are covered in ISO 21069-2:2008:

• symbols and definitions;
• test methods;
• test conditions;
• test equipment required;
• accuracy of test equipment;
• data recording and calculation needed;
• presentation of results;
• assessment criteria for pass/fail.

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The Requirements department helps you quickly locate within the normative text:
- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.

The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.

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