有用户反映,一台BW217D－2宝马压路机在工作时出现振动无力和振动噪声过大的现象。经检查,噪声产生在钢轮振动轴承的部位,并且钢轮内部有异常油迹。我们据此初步判断故障原因是:振动轴承室的油封已损坏,致使振动轴承室的润滑油外漏,造成振动轴承因润 A user feedback, a BW217D-2 BMW compactor at work vibration weakness and vibration noise is too large. After examination, the noise generated in the steel drum vibration bearing parts, and steel drum with abnormal traces. According to our preliminary judgment of the cause of the malfunction is: the vibration of the bearing chamber seal has been damaged, resulting in vibration of the bearing chamber of the oil leakage, resulting in vibration bearings due to Run