GB/T 25684.7-2021Earth-moving machinery - Safety - Part 7: Requirements for scrapers (English PDF)

1 Scope

This document specifies the safety requirements for wheeled and crawler scrapers as defined by ISO 6165 but does not include trailed scrapers; specifies soil

All major hazards, hazardous states and hazardous events related to the use of the machine for the intended purpose or foreseen by the manufacturer under conditions of misuse

Parts (see Appendix A of GB/T 25684:1-2021); specifies the elimination or reduction of major hazards, dangerous conditions during commissioning, operation and maintenance

Appropriate technical measures for risks arising from conditions or hazardous events:

This document is used in conjunction with GB/T 25684:1 (specifying general safety requirements for two or more families of earth-moving machinery): of this document

Specific requirements take precedence over the general requirements of GB/T 25684:1:

This document does not apply to machines manufactured prior to the implementation of this document:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document:

GB/T 8419-2007 Laboratory Evaluation of Earth-moving Machinery Driver Seat Vibration (ISO 7096:2000, IDT)

GB/T 25684:1-2021 Earthmoving Machinery Safety Part 1: General Requirements (ISO 20474-1:2017, IDT)

ISO 6165 Earth-moving machinery basic types identification, terms and definitions (Earth-movingmachinery-Basictypes-I- identificationandtermsanddefinitions)

Note: GB/T 8498-2017 Earth-moving machinery basic type identification, terms and definitions (ISO 6165:2012, IDT)

ISO 6393 Earth-moving machinery sound power levels Determination of fixed test conditions (Earth-moving machinery-

Determinationofsoundpowerlevel-Stationarytestconditions)

Note: GB/T 25612-2010 Determination of Earthmoving Machinery Sound Power Level Fixed Test Conditions (ISO 6393:2008, IDT)

ISO 6394 Earth-moving machinery - Determination of sound pressure levels emitted at the driver's position - Fixed test conditions (Earth-movingmachinery-

Determinationofemissionsoundpressurelevelatoperator'sposition-Stationarytestconditions)

Note: GB/T 25613-2010 Test conditions for determination of sound pressure level emitted from the driver's position of earth-moving machinery (ISO 6394:2008, IDT)

ISO 7133 Terminology and commercial specifications for earth-moving machinery scrapers (Earth-movingmachinery-Scrapers-Termi- nology and commercial specifications)

Note: GB/T 7920:8-2018 Terminology and commercial specifications for earth-moving machinery scrapers (ISO 7133:2013, IDT)

ISO 10268 Earth-moving machinery dump trucks and self-propelled scrapers performance tests for speed limiters (Earth-movingmachinery-

Retardersfordumpersandtractor-scrapers-Performancetests)

Note: GB/T 25692-2010 Earth-moving machinery dump trucks and self-propelled scrapers with speed limiter performance test (ISO 10268:2010, IDT)

ISO 20474-1 Earth-moving machinery Safety Part 1: General requirements (Earth-movingmachinery-Safety-Part 1:

General requirements)

Note: GB/T 25684:1-2021 Earthmoving Machinery Safety Part 1: General Requirements (ISO 10268:2017, IDT)

3 Terms and Definitions

Terms and definitions defined in ISO 20474-1 and ISO 7133 and the following terms and definitions apply to this document: […]