Tower crane brake scrap standard tower crane brake replacement standard


The tower crane brake is a power device that assists the tower crane operation and is an important tower crane accessory. What is the scrap standard for tower crane brakes? Under what circumstances should they be replaced?

S69R Mast Section

Brake parts shall be scrapped in one of the following cases:
(1) Cracks;
(2) The wear and tear of the friction liner of the brake block reaches 50 % of the thickness of the raw material;
(3) The surface wear of the brake wheel reaches 5mm-2mm;
(4) Plastic deformation of the spring;
(5) The empty stroke of the lever system exceeds its rated stroke by about 10 %.

S69R Mast Section

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