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AS 20474.12:2025
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Earth-moving machinery – Safety, Part 12: Requirements for cable excavators (ISO 20474-12:2017, MOD)
AS 20474.12:2025 identically adopts and modifies ISO 20474 12:2017, which specifies the safety requirements specific to cable excavators as defined in AS ISO 6165:2023
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Safety requirements and protective measures
4.1 General
4.2 Operator’s station
4.2.1 General
4.2.2 Roll-over protective structures (ROPS)
4.2.3 Operator’s protective guard
4.3 Operator’s controls and indicators
4.3.1 Controls for driving and steering
4.3.2 Warning indicator
4.4 Steering
4.5 Swing brakes
4.6 Lift system
4.6.1 Force-controlled operation (lifting, lowering)
4.6.2 Free-fall operation
4.6.3 Switchover
4.6.4 Boom
4.6.5 Ropes
4.6.6 Rope drum, rope pulley
4.6.6.1 General
4.6.6.2 Rope drum
4.6.6.3 Rope pulley
4.6.6.4 Flanged wheel projection
4.7 Limiting devices
4.7.1 Load moment limiting device
4.7.2 Lift limiting switch
4.7.3 Limit switch for the boom hoist system
4.8 Calculation of the lift capacity
4.8.1 Calculation method
4.8.2 Rated load table for object-handling application
4.9 Safety-related parts of the control system
4.10 Stability
4.10.1 General
4.10.2 Stability in different applications
4.10.3 Dragline bucket
4.10.4 Grab and front shovel
4.10.5 Object-handling applications
4.11 Cable excavator with electrical power source
5 Verification of safety requirements and protective measures
6 Information for use
Annex A
A.1 General
A.2 Minimum performance
A.2.1 Swing drive system
A.2.1.1 Test-swing revolution speed
A.2.1.2 Deceleration swing angle, βB
A.2.2 Swing service brake
A.2.3 Swing parking brake
A.3 Conditions for testing swing service brake
A.4 Test report
Annex B
B.1 Standard applications
B.2 Special applications
Bibliography
Appendix ZZ
ZZ.1 Scope
ZZ.2 Modifications
Cited references in this standard
Please select a variation to view its description.
| Published | 20/06/2025 |
|---|---|
| Pages | 16 |
Please select a variation to view its pdf.
