Sinking winch repair and maintenance: In order to operate correctly sinking winch jz series sinking winch, inspection and maintenance system should be established, Conservation Group should be set up in Inner Mongolia coal mine jz series sinking winch, mine car inspection and maintenance. Always check daily basis. Repair of checking Shanxi jz series sinking winch, once a month. Shandong jz series regular maintenance sinking winch, once a month. Harvesters also regular checks: Check the fastener bolt is loose. Winch Maintenance: the winch should always check whether flexible transmission parts each coupling parts are replaced regularly worn loose brake band and adjust the brake band and the contact area of ??the wheel brake to prevent accidents. Winch winch should be installed in a dedicated room winch room should have rain, wind, sun, moisture, etc., to prevent damage to the electrical system and its components, the impact of the winch safety.