Elimination: first of all and pour away the glued glue pot, removal of the gummed wheel and axle to clear foreign body of workparts, clearing and oilway joined a small amount of heat-resistant butter.

• 排除方法：首先倒掉背胶锅中的胶液，拆出背胶轮及轴，清理轴套的异物，清通油路后加入少量耐高温黄油。