Hongda gear reducer push coal is the picture quality of the coal is pushed Hongda gearhead. Push the use of coal and protection: 1, working to push coal must be balanced, screw and push bars must be appropriate tightness. 2, pushing coal is sure to add enough oil to work, so that it remains lubrication, use 2-4 months must be cleaned once. 3, pushing coal is practical process, according to the screw stroke limit switches must be installed or other travel limit devices. 4, the factory also produces 1-10 tons apply vertical boiler stoker and Cleaner gear reducer.