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Manually Lever Operated Hoists American Society of Mechanical Engineers

Manually Lever Operated Hoists

American Society of Mechanical Engineers

Published January 29th 2005
ISBN : 9780791829561
Paperback
44 pages
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 About the Book 

B30.21 applies to the construction, installation, operation, inspection, and maintenance of ratchet and pawl and friction brake type manually lever operated chain, wire rope, and web strap hoists used for lifting, pulling, and tensioningMoreB30.21  applies to the construction, installation, operation, inspection, and maintenance of ratchet and pawl and friction brake type manually lever operated chain, wire rope, and web strap hoists used for lifting, pulling, and tensioning applications.  The requirements for a hoist that is used for a special purpose, such as lifting personnel, or drawing both the load and the hoist up or down the load chain, rope, or web strap when the hoist is attached to the load, and a specially insulated hoist used for handling energized electrical power lines are not included in this volume.