Remove a shaft nut and washer.
取下主轴螺帽和垫圈。
Turn the wiper module over and remove the nut that secures the wiper motor crank arm to the wiper motor output shaft.
转动雨刷模组盖,并拆下将雨刷马达曲柄臂固定于雨刷马达输出轴上的螺帽。
The fracture of the pump shaft is mainly caused by large size non metallic inclusions and point welding between the lock nut and the pump shaft.
结果表明,大尺寸的非金属夹杂和背帽外缘的点焊是引起泵轴过早断裂的主要原因。
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