GB/T 25684.8-2021Earth-moving machinery - Safety - Part 8: Requirements for graders (English PDF)

1 Scope

This document specifies the safety requirements for motor graders as defined in ISO 6165;

When applied under operating conditions, all major hazards, hazardous states and hazardous events related to it (see the annex of GB/T 25684:1-2021):

Record A); and specifies techniques for eliminating or reducing risks arising from significant hazards, hazardous states or hazardous events in use, operation and maintenance measure:

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 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-

Identificationandtermsanddefinitions)

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

ISO 7134 Terminology and commercial specifications for earth-moving machinery graders (Earth-movingmachinery-Graders-Terminol- ogyandcommercialspecifications)

Note: GB/T 7920:9-2020 Terminology and commercial specifications for earth-moving machinery graders (ISO 7134:2013, 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 20474-1:2017, IDT)

3 Terms and Definitions

Terms and definitions defined in ISO 20474-1 and ISO 7134 and the following terms and definitions apply to this document:

3:1 grader grader

Self-propelled wheeled machine with an adjustable blade between the front and rear axles;

A ripper rake can also be installed between the two bridges:

Note 1: The main purpose of the motor grader is to level the ground, scrape slopes, dig trenches or loosen materials through the forward movement of the machine:

Note 2: See Appendix A for the legend of the grader:

[Source: GB/T 8498-2017, 4:8, with modifications] […]