刚从技校毕业不久的小张,为一辆CA1091型载货汽车的水泵连续换了几个轴承,用不了几天,就又损坏。他带着这个问题去请教杨工,杨工对该水泵和风扇叶进行了详尽的检查,认为风扇叶经过修复未做动、静平衡处理。小张领会了风扇叶不“平衡”才是损坏轴承的主要 Xiao Zhang, who had just graduated from a technical school, had replaced several consecutive pumps for a CA1091 truck and would not be able to do so in a few days. He took this problem to consult Yang workers, Yang workers carried out a detailed inspection of the pump and fan leaves, fan leaves that have not been repaired after the move, static balance treatment. Zhang understand the fan does not “balance” is the main bearing damage