使用一段时间后的柴油机,活塞上会有一定的积碳。在维修中,机手往往只重视对活塞顶部和裙部积碳的清理,而忽视清除气环和油环边间隙处的积碳。应当指出,边间隙处的积碳若不认真清除,最终会影响活塞环在环槽内的自由活动,导致拉缸、窜气、 After using the diesel engine for a period of time, there will be some carbon deposit on the piston. In maintenance, the hands often focus only on the top of the piston and skirt carbon clean up, while ignoring the clear gas ring and oil ring gap at the carbon deposition. It should be pointed out that the side of the gap if the carbon is not carefully cleared, will eventually affect the free movement of the piston ring in the ring groove, resulting in cylinder, channeling gas,