Adjust winch: After winch is installed, must be checked and adjusted. Open gear Shaanxi mine shaft sinking winch, backlash of 0.42 mm, the contact area along the tooth is not less than 40% of the mine shaft sinking winch, extended tooth length not less than 50%. Inspection of each transmission system is flexible and reliable brake Shandong mine shaft sinking winch, and adjust the brake release time gap between the brake shoe and the brake wheel is not greater than 0.7-0.8mm. Mine shaft sinking winch manufacturing and assembly: the materials should be accompanied by quality assurance, laboratory tests, or when necessary to identify, before use to confirm compliance. Purchased parts, the Association shall include quality certification, parts belong to the management of product safety signs should be within the validity period of coal mines with product safety certification mark, if necessary, according to the corresponding standards for testing and acceptance after passing the assembly.