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汽车轮毂维修保养

  • How to repair and maintain the wheel hub bearing is an important part of the automobile. The hub bearing is responsible for reducing the friction resistance of the chassis during operation and maintaining the normal driving of the vehicle. Repair and Maintenance of Automobile Hub
  • If the hub bearing fails, it may cause noise and bearing heating, 尤其是前轮, 容易导致失控等危险现象. 所以, the hub 轴承 must be maintained on schedule.Repair and Maintenance of Automobile Hub

汽车轮毂维修保养

  • When checking the tightness of the wheel hub bearing, first set up the axle of the wheel at one end of the wheel hub of the vehicle to be inspected, and put the vehicle on the ground with tools such as supporting stool and cover wood.Repair and Maintenance of Automobile Hub
  •  用手转动被测车轮数圈,看转动是否平稳,是否有异响. 如果转动不顺畅,有摩擦声, 制动部分异常; 
  • 如果没有噪音, 转动不稳且松紧, it indicates that the bearing part is abnormal. 当出现上述异常现象时, the hub should be disassembled and inspected.Repair and Maintenance of Automobile Hub
  •  适用于小型车, when checking the wheel hub bearing, 双手握住轮胎的上下两侧, 用双手来回拉轮胎, 并重复多次.
  •  如果正常, 不应有松散和阻塞的感觉; 如果挥杆有明显松动, dismantle and inspect the hub.Repair and Maintenance of Automobile Hub
  •  制动检查. 通常, when checking the wheel hub bearing, check the wheel braking device. 如果轮胎内侧有油渍, it is likely to be caused by oil leakage of the brake wheel cylinder or brake oil pipe. Find out the cause in time and eliminate it.Repair and Maintenance of Automobile Hub

汽车轮毂维修保养

  • Maintenance of automobile wheel hub bearing before removing the wheel hub, make preparations for wheel hub maintenance, stop the vehicle stably and set up the axle to ensure the safety of maintenance operation.Repair and Maintenance of Automobile Hub

 拆下轮毂轴头的装饰罩和防尘罩;

  • 拆下轮胎螺母和轮胎, 并注意不要损坏轮胎螺栓的螺纹. 如果是碟刹, remove the brake and then use it to remove the lock ring or lock pin.
  • 用专用工具拆下轮毂;刮掉轴承中的旧油脂, 轴颈和轮毂腔, clean the hub bearing and journal with cleaning agent and dry them with cloth, and then clean the hub cavity with cloth.Repair and Maintenance of Automobile Hub
  •  Check the hub bearing and bearing race. 如果出现裂缝, 发现疲劳剥落和轴承滚子松动, replace the bearing. 如果在轴承座圈上发现点蚀, the bearing should also be replaced.Repair and Maintenance of Automobile Hub
  • 检查轴承内径与轴颈的配合. 配合间隙不得大于0.10mm. 测量日志时, 应在垂直地面的上部和下部测量 (this is the wear part of the bearing). If the fit clearance exceeds the specified service limit, 更换轴承恢复正常配合间隙. It is not allowed to reduce the clearance by burring and pitting on the journal.Repair and Maintenance of Automobile Hub
  • 在所有零件都符合要求后, apply grease to the inner bearing and put it into the hub.Repair and Maintenance of Automobile Hub
  •  向轴承腔涂抹润滑脂时, pay attention to squeeze the grease into the bearing until the grease comes out from the other side of the bearing. 在轮毂腔和轴头盖上涂上一层薄薄的润滑脂,以防止生锈. 注意不要在轮毂腔内涂抹过多的油脂, otherwise it will affect heat dissipation and braking.Repair and Maintenance of Automobile Hub
  •  将轮毂和外轴承装回轴颈, 用手旋紧轴头调节螺母, 然后按规定扭矩用轴头扳手拧紧调节螺母. 拧紧螺母后, 左右转动轮毂几圈,看轴承的安装情况; 
  • 另一方面, 旋转以使轴承和座圈正确配合. 此时, the bearing tightness is appropriate, and the wheel rotates freely without axial clearance.Repair and Maintenance of Automobile Hub
  • 安装后, 安装锁板, 固定螺母, 胎, 防尘罩, decorative cover and other parts in turn.Repair and Maintenance of Automobile Hub
  • After the hub bearing is adjusted, 行驶一定里程 (约10公里) and stop for inspection. It is used to wipe the temperature of the hub. If the heating is caused by too tight adjustment of the bearing, it should be readjusted and the bearing tightness should be prope“rly relaxed.Repair and Maintenance of Automobile Hub

汽车轮毂维修保养
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