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一、忽视垫圈厚度的结果 一台使用多年的东方红—75拖拉机,在修理过程中,检查调整了后桥轴向间隙,拆检了转向离合器,更换了被动盘摩擦片、大小弹簧等件,转向离合器压盘支承圈孔平面与支承垫圈平面已磨出沟痕,则加工了压盘支承圈孔平面和磨平了支承垫圈平面上的沟迹。但装配后开动拖拉机,转向不灵,转向离合器分离不清,不能转向,用脚踏制动器踏板才能缓慢的转动一点,但发动机功率下降、冒黑烟。只得又拆开转向离合器,经过
First, ignore the result of washer thickness A multi-year use of the East Red -75 tractor, the repair process, check and adjust the rear axle axial clearance, dismantling the steering clutch, replaced the passive disk friction plate, the size of the spring and other pieces, Steering clutch plate bearing ring hole plane and the support washer plane has been worn out the groove marks, then the platen support ring hole plane and polished support washer plane on the track. However, after the start of the tractor assembly, steering is not working, the steering clutch is not clear, can not be turned, with the pedal brake pedal to slowly turn a little, but the engine power down, black smoke. Had to open the steering clutch again