AS ISO 6302:2021 pdf free.Earth-moving machinery一Drain, fill and level plugs.
1 Scope
This International Standard establishes the types, shapes and sizes of the parts of the plugs used in connection with the hand tools listed in ISO 4510-1 to permit easy removal and installation of plugs at the work-site. It does not set requirements, i.e. dimensions and materials, for the manufacture of plugs.
This International Standard applies to the drain, fill and level plugs required on earth-moving machines for the changing of lubricants, coolants, hydraulic oils and fuels.
2 Normative references
The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards.
ISO 7-1:1982, Pipe threads where pressure-tight joints are made on the threads — Part 1: Designation, dimensions and tolerances.
ISO 261:1973, ISO general purpose metric screw threads — General plan.
ISO 263:1973, ISO inch screw threads — General plan and selection for screws, bolts and nuts — Diameter range 0.06 to 6 in.
ISO 724:1993, ISO general-purpose metric screw threads — Basic dimensions.
ISO 72 5:1978, ISO inch screw threads — Basic dimensions.
150 4510-1:1987, Earth-moving machinery — Service tools — Part 1: common maintenance and
adjustment tools.
3 Types and principal dimensions
3.1 TypesAandB
Plugs of types A and B shall be as shown in figure 1 and table 1.AS ISO 6302 pdf download.