Standard
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AS 4177.3-2004
[Pending Revision]Caravan and light trailer towing components, Part 3: Coupling body for ball couplings
Specifies the classification, design, interchangeability dimensions with tolerances, finish and marking requirements for coupling bodies for 50 mm towballs, intended for trailers and caravans up to 3.5 t aggregate trailer mass, for use on public roads.
Published: 17/06/2004
Pages: 9
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Referenced documents
3 Definitions
4 Rating
5 Design and construction
5.1 General
5.2 Locking onto the towball
5.3 Angles of movement
5.4 Dimensions for interchangeability
6 Finish
6.1 General
6.2 Working surface
6.3 Protective coatings
7 Performance requirements
7.1 General
7.2 Static test
7.3 Dynamic test
7.4 Ball pull-out test
8 Marking
9 Installation requirements
Appendix A
A1 Scope
A2 Principle
A3 Apparatus
A4 Procedure
A5 Report
Appendix B
B1 Scope
B2 Principle
B3 Apparatus
B4 Procedure
B5 Report
Cited references in this standard
[Current]
Caravan and light trailer towing components, Part 1: Towbars and towing brackets
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