Reaffirmed 2021

1. Scope

This standard covers the requirements for pneumatic pusher legs used with light and medium weight rockdrills.

2. REFERENCES

The following standards contain provisions, which, through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of the standards indicated below:

IS No. Title

28 : 1985 Specification for phosphor-bronze ingots and castings (fourth revision)

554 : 1999 Pipe threads when pressure tight joints are made on the threads - Dimensions, tolerances and designation (fourth revision)

617 : 1994 Cast aluminium and its alloys - Ingots and castings for general engineering purposes - Specification (third revision)

733 : 1983 Wrought aluminium and aluminium alloy bars, rods and sections (for general engineering purposes) (third revision)

1570 (Part 3) : 1979 Schedule of wrought steels: Part 3 Carbon and carbon - manganese free cutting steels (first revision)

2062 : 2011 Hot rolled medium and high tensile structural steel - specification (seventh revision)

3601: 2006 Steel tubes for mechanical and general engineering purposes - Specification (second revision)

14329 : 1995 Malleable iron castings - Specification