1.拆缸前,应清洗外部灰尘。进行较大的拆装时,应在室内进行。2.拆卸前,必须弄清楚零件的结构、工作原理和拆装次序,以免损伤机件。3.不允许热车时拆卸缸盖,以免变形。4.拆卸螺栓组紧固件时,如气缸盖、飞轮等,应分几次拧松,以免变形。5.使用过的活塞、连杆组、主轴承、连杆轴承 1. Disassemble the cylinder, you should clean the external dust. Larger disassembly should be carried out indoors. 2. Before demolition, we must clarify the structure of the parts, working principle and disassembly order, so as not to damage the parts. 3. Do not remove the hot car cylinder head, so as not to deform. 4. Remove bolt group fasteners, such as cylinder head, flywheel, etc., should be loosen a few times to avoid deformation. 5. Used piston, connecting rod group, main bearing, connecting rod bearing