L68B1 Mast SectionScrapping standard of tower crane brake replacement standard
Tower crane brake is a power device, auxiliary tower crane operation, is an important tower crane accessories. What is the scrapping standard of tower crane brake? When should it be replaced?
L68B1 Mast Section
http://www.towercranesupply.com/product/l68b1-mast-section-for-tower-crane-masts
Brake parts shall be scrapped in case of any of the following conditions:
(1) Crack;
(2) The wear of the brake pad friction pad is up to 50% of the thickness of the raw material;
(3) The surface wear of brake wheel is 5mm-2mm;
(4) The spring has plastic deformation;
(5) The empty stroke of lever system exceeds its rated stroke by about 10%.
L68B1 Mast Section
http://www.towercranesupply.com/product/l68b1-mast-section-for-tower-crane-masts
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