很多手扶拖拉机有一个常见故障,即离合器轴处向外甩油。有的驾驶员不得不在离合器附近安装一块铁皮挡油,有的在离合器下方吊一个瓶子盛装泄漏的齿轮油。这些都是消极的措施,并没有防止齿轮油甩出来。这些齿轮油 A lot of walking tractors have a common failure, that is, the clutch shaft throw oil out. Some drivers have to install a piece of metal in the vicinity of the clutch to block the oil, and some hang a bottle under the clutch to contain the leakage of gear oil. These are all negative measures and do not prevent the gear oil from getting thrown out. These gear oils