» Deformaons,cracks,signsofcorrosionarepresent.
» Thewirediameterofthechainlinkhasdecreasedby10%
ofthenominalthickness.
» Anindividualchainlinkhasbeenpermanentlystretched.
» Anindividuallinkhasbeenenlargedbymorethan2%.
» Theinternalchainpitchoverameasuringdistanceof11chainlinks
hasincreasedbymorethan2%.
5.6Crushing(Spreaders,combidevices)
Pipesandotherhollowprolesarecrushedbyclosingthespreaderarms.
Withcombidevices,however,crushingisonlytobeperformedintheparea.
Materialtobecrushedcansuddenlyjumpaway.
Donotremainintheworkareaofthespreadingandcombidevices!