AS 4457-1997

1 - AS 4457-1997 EARTH-MOVING MACHINERY-OFF-HIGHWAY RIMS AND WHEELS-MAINTENANCE AND REPAIR
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 OBJECTIVE
6 - 1.3 REFERENCED DOCUMENTS
6 - 1.4 DEFINITIONS
6 - 1.4.1 Competent person
6 - 1.4.2 Rim base
6 - 1.4.3 Rim assembly
6 - 1.4.4 Wheel
6 - 1.4.5 Wheel disc
9 - SECTION 2 GENERAL REQUIREMENTS
9 - 2.1 DESIGN AND CONSTRUCTION OF REPAIRABLE PARTS
9 - 2.2 WELDING
9 - 2.3 IDENTIFICATION
10 - SECTION 3 INSTALLATION
10 - 3.1 GENERAL
10 - 3.2 DEMOUNTING PROCEDURE
10 - 3.2.1 Inspection prior to demounting
10 - 3.2.2 Location of machine
10 - 3.2.3 Removal of tyre and rim assembly
10 - 3.2.4 Demounting tyre from wheel or rim assembly
10 - 3.3 INSPECTION AND REPAIR
10 - 3.4 MOUNTING PROCEDURE
10 - 3.4.1 Mounting tyre on rim
10 - 3.4.2 Inflation
11 - 3.4.3 Highway transport
11 - 3.4.4 Replacing tyre and rim assembly
11 - 3.4.5 Alignment
12 - SECTION 4 EXAMINATION OF RIMS AND WHEELS
12 - 4.1 GENERAL
12 - 4.2 IN-SERVICE INSPECTION AND EXAMINATION
12 - 4.3 CLEANING PRIOR TO TEST
12 - 4.4 INSPECTION REQUIREMENTS
12 - 4.4.1 General
12 - 4.4.2 Lock ring
12 - 4.4.3 Bead seat band
12 - 4.4.4 Flanges
12 - 4.4.5 Rim base
13 - 4.4.6 Wheel disc
14 - SECTION 5 REPAIR
14 - 5.1 GENERAL
14 - 5.2 WELDING
14 - 5.3 STRESS RELIEVING
14 - 5.4 MARKING AND REPORT
14 - 5.5 INSPECTION AND TESTING OF REPAIRS
14 - 5.6 COMPONENTS
14 - 5.6.1 Lock ring, flanges and bead seat band
14 - 5.6.2 Gutter and back section
14 - 5.6.3 Fretting
14 - 5.6.4 Welds
14 - 5.7 SURFACE TREATMENT
15 - APPENDIX A - ADDITIONAL GUIDANCE FOR MOUNTING AND DEMOUNTING
15 - A1 GENERAL
15 - A2 INITIAL ACTION
15 - A3 INSPECTION
15 - A4 MACHINERY JACKING
15 - A4.1 General
15 - A4.2 Pre-jacking check
15 - A4.3 Pre-jacking check-list
16 - A4.4 Jacking procedure
16 - A5 DEFLATION
16 - A6 ASSESSMENT AFTER REMOVAL FROM THE MACHINE
16 - A7 TYRE INNER SURFACE INSPECTION
16 - A8 TORQUING PRECAUTIONS
16 - A9 REINFLATION
16 - A9.1 General
16 - A9.2 Reinflation
17 - A10 STORAGE OF TYRES MOUNTED ON RIM ASSEMBLIES OR WHEELS
17 - A10.1 Storage pressure
17 - A10.2 Storage conditions
18 - APPENDIX B - CLASSIFICATION OF DEFECT
18 - B1 GENERAL
18 - B2 LENGTH OF INDICATION
18 - B3 DEPTH OF INDICATION
18 - B4 INVESTIGATION

Sets out requirements for the identification, demounting, inspection, maintenance testing and mounting of off-highway rims and wheels having a diameter of not less than 600 mm (24 inches). It applies to rubber-tyred earth-moving machinery. It does not apply to off-highway recreational vehicles.

This Standard sets out the requirements for the identification, safe demounting, inspection, maintenance, testing and mounting of off-highway wheels and rims for rubber-tyred earth-moving machinery. It applies to wheels and rims of not less than 600 mm (24 inches) nominal diameter.

First published as AS 4457-1997.