发动机曲轴轴承的手工刮削，只适用于小型修理单位和小修作业中采用（有些车型发动机不宜用这种方法）。按工艺技术要求，用手工刮削的轴承，要求接触均匀，且接触面积不得少于75％，松紧度要合适。1连杆轴承的刮配先将曲轴安放在支架上，将轴颈表面洗净后涂薄薄一层轴承兰，再 Manual cranking of crankshaft bearings of the engine is only applicable to small repair units and minor repairs (some engines are not suitable for this type of engine). According to process requirements, hand scraping the bearings, requiring uniform contact, and the contact area of ​​not less than 75%, tightness to be appropriate. 1 Rod bearing scraping first placed on the bracket crankshaft, the surface of the journal after a thin coat of thin layer of bearing blue, and then