Standard
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AS 4457.1:2024
[Current]Earth-moving machinery - Off-the-road wheels, rims and tyres - Maintenance and repair, Part 1: Wheel assemblies and rim assemblies
AS 4457.1:2024 sets out minimum requirements for the identification, safe demounting, inspection, maintenance, testing and mounting of off-the-road wheel and rim assemblies for rubber-tyred earth-moving machinery. It applies to the fitment of wheel assemblies and rim assemblies of equal to or greater than 600 mm (24 inches) nominal diameter.
Published: 01/11/2024
Pages: 32
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
2 General requirements
2.1 Risk management
2.2 Design and construction
2.3 Welding
2.4 Identification and compatibility
2.5 Maintenance management system
3 Removal and installation
3.1 General
3.2 Removal and disassembly procedure
3.2.1 Inspection prior to removal
3.2.2 Location of machine
3.2.3 Removal of tyre, rim and wheel assembly
3.2.3.1 Tyres fitted to divided wheels
3.2.3.2 Tyres fitted to wheel/rim assemblies
3.2.4 Demounting tyre from wheel / rim assembly
3.3 Inspection and repair
3.4 Mount and fit procedure
3.4.1 Mounting tyre on rim or wheel assemblies
3.4.2 Inflation
3.4.2.1 General
3.4.2.2 Vertical assembly tyre inflation exclusion zone
3.4.2.3 Horizontal assembly tyre inflation exclusion zone
3.4.3 Replacing tyre and rim or wheel assembly
3.4.4 Alignment
4 Examination of rim and wheel assemblies including components
4.1 General
4.2 In-service visual inspection
4.3 Periodic testing
4.4 Preparation prior to visual inspection and testing
4.5 Inspection requirements
4.5.1 General
4.5.2 Visual inspection
4.5.2.1 Lock ring
4.5.2.2 Bead seat band
4.5.2.3 Side ring /flange
4.5.2.4 Wheel/rim base
4.5.2.5 Adaptor plate
4.5.2.6 Fasteners
4.5.2.7 Other components
4.5.3 Non-destructive testing
4.5.3.1 Lock ring
4.5.3.2 Bead seat band
4.5.3.3 Side rings (flanges)
4.5.3.4 Wheel/rim base
4.5.3.5 Adaptor plate
4.5.4 Inspection report
5 Repair
5.1 General
5.2 Allowable repairs
5.2.1 Wheel/rim base
5.2.2 Components
5.2.3 Fretting and galling
5.2.4 Welds
5.3 Welding qualifications
5.4 Stress relieving
5.5 Surface treatment
5.6 Inspection and testing of repairs
5.7 Marking and report
5.7.1 Marking
5.7.2 Repair report
Appendix A
A.1 General
A.2 Under-inflation
A.3 Inspection
A.4 Machinery jacking
A.4.1 General
A.4.2 Pre-jacking check
A.4.3 Pre-jacking check-list
A.4.4 Jacking procedure
A.5 Deflation
A.6 Assessment after removal from the machine
A.7 Tyre inner surface inspection
A.8 Torquing precautions
A.9 Inflation
A.10 Storage and transport of tyres mounted on rim or wheel assemblies
A.10.1 Storage pressure
A.10.2 Storage conditions
A.10.2.1 Surface
A.10.2.2 Orientation
A.10.2.3 Period of storage
A.10.3 Highway transport
A.10.4 Relocation
Appendix B
B.1 General
B.2 Length of indication
B.3 Depth of indication
B.4 Investigation
Appendix C
Bibliography
Cited references in this standard
[Current]
Structural steel welding, Part 5: Welding of steel structures subject to high levels of fatigue loading
[Current]
Non-destructive testing — Ultrasonic testing of fusion welded joints in carbon and low alloy steel
[Current]
Metal finishing — Preparation and pretreatment of surfaces, Part 4: Abrasive blast cleaning of steel
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