ISO-8643 › Historical Revision Information
Earth-moving machinery - Hydraulic excavator and backhoe loader lowering control device - Requirements and tests
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This International Standard establishes uniform requirements and test procedures for boom-lowering control devices fitted on boom-lift cylinders to control the rate of drop in the case of a hydraulic line failure or rupture.
This International Standard applies to boom-lowering control devices on hydraulic excavators and the backhoe part of backhoe loaders, when used for handling and lifting objects.
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53.100 (Earth-moving machinery Including tractors, excavators, loaders, graders, etc.)
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Document Number
ISO 8643:1988
Revision Level
1ST EDITION
Status
Superseded
Publication Date
Feb. 1, 1988
Committee Number
ISO TC 127/SC 2