ASME HST-3

Abstract

(<span style="font-style: italic;">a) This Standard establishes performance requirements for chain, wire rope, and web strap lever hoists for lifting, pulling, and tensioning applications (see Figures 3-0.1-1, 3-0.1-2, 3-0.1-3, and 3-0.1-4). (<span style="font-style: italic;">b) The specifications and information in this Standard apply to lever hoists of the following types: (<span style="font-style: italic;">1) ratchet-and-pawl operation with (-<span style="font-style: italic;">a) roller-type load chain lifting medium (-<span style="font-style: italic;">b) welded-link-type load chain lifting medium (-<span style="font-style: italic;">c) web-strap-type lifting medium (-<span style="font-style: italic;">d) wire-rope-type lifting medium (<span style="font-style: italic;">2) friction-brake operation with (-<span style="font-style: italic;">a) roller-type load chain (-<span style="font-style: italic;">b) welded-link-type load chain (-<span style="font-style: italic;">c) web-strap-type lifting medium (-<span style="font-style: italic;">d) wire-rope-type lifting medium (<span style="font-style: italic;">c) Specially insulated lever hoists designed for handling high-voltage lines are not covered by this Standard. (<span style="font-style: italic;">d) This Standard is applicable to hoists manufactured after the date on which this Standard is issued. This Standard is not applicable to (<span style="font-style: italic;">1) damaged or malfunctioning hoists (<span style="font-style: italic;">2) hoists that have been misused or abused (<span style="font-style: italic;">3) hoists that have been altered without authorization of the manufacturer or a qualified person (<span style="font-style: italic;">4) hoists used for lifting or supporting people (<span style="font-style: italic;">5) hoists used for the purpose of drawing both the load and hoist up or down the hoist&#8217;s own load chain(s), wire rope(s), or web strap(s) (<span style="font-style: italic;">6) hoists used for marine and other applications as required by the Department of Defense (DOD). The requirements of this Standard shall be applied together with the requirements of ASME B30.21. Refer to ASME B30.21 for requirements pertaining to marking, construction, installation, inspection, testing, maintenance, and operation.