曲轴平衡块对于减少发动机振动、安全稳定运行具有重要作用。一些发动机的曲轴平衡块单独配制,用螺栓连接在曲轴柄上,这种平衡块一般无需拆卸。但当修磨曲轴时要拆下平衡块,或捣缸事故发生后更换平稳块时,在安装时必须高度重视以下几点。1.新旧平衡块质量相等新平衡块质量必须 Crankshaft balance weight to reduce engine vibration, safe and stable operation plays an important role. Some engine crankshaft balance block separately formulated with bolts connected to the crank handle, this balance block generally do not need to be disassembled. However, when grinding the crankshaft to remove the balance block, or pound cylinder after the replacement of smooth block, the installation must attach great importance to the following points. 1. New and old balance weight equal New balance weight must