1 Scope
This standard specifies the technical requirements of the routine inspection, test methods, inspection rules, marking, packaging and transportation of coal mining machine-hydraulic system assembly.
This standard is applicable to the routine inspection of coal mining machine-hydraulic system assembly with hydraulic oil as working medium and the working pressure not greater than 31.5 MPa.
2 Normative References
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.