AS 4177.2-2004

1-AS 4177.2-2004 CARAVAN AND LIGHT TRAILER TOWING COMPONENTS - 50 MM TOWBALLS
4-PREFACE
5-CONTENTS
6-1 SCOPE
6-2 REFERENCED DOCUMENTS
6-3 DEFINITIONS
6-3.1 Aggregate trailer mass
6-3.2 Ball coupling
7-3.3 Coupling
7-3.4 Coupling body
7-3.5 Drawbar
7-3.6 Gross trailer mass
7-3.7 Shall
7-3.8 Shank-type towball
7-3.9 Should
7-3.10 Towball
7-3.11 Towbar
7-3.12 Towing lug
7-3.13 Towing vehicle mass
7-4 DESIGN AND CONSTRUCTION REQUIREMENTS
7-4.1 Dimensions for interchangeability
7-4.2 Shank type towballs
8-4.3 Methods of attachment
8-5 FINISH
8-5.1 Surface roughness
8-5.2 Corrosion protection
8-6 PERFORMANCE REQUIREMENTS
8-6.1 General
9-6.2 Static test
9-6.3 Dynamic test
9-7 MARKING
11-APPENDIX A - STATIC TEST
11-A1 SCOPE
11-A2 PRINCIPLE
11-A3 APPARATUS
11-A4 PROCEDURE
11-A5 REPORT
13-APPENDIX B - DYNAMIC TEST
13-B1 SCOPE
13-B2 PRINCIPLE
13-B3 APPARATUS
13-B4 PROCEDURE
14-B5 REPORT