... main motor through the belt drive - drive drive Worm pot rotation. (2) structure a, in the ... . Third, the machine lubrication Bearings and worm gear box, worm with splash lubrication, at the top of ... toxic copper compounds. 3, to ensure the worm drive gear box lubrication conditions, the operation of ... temperature not exceeding 50 °C. 4, the worm shaft seals should be checked regularly replaced, usually ...