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(1) 若听到短促而沉重的敲击声,打开机油加油口盖或拔出机油尺时响声更清晰,在突然加速或增大负荷时响声增大,则可能为连杆瓦间隙过大。 (2) 若在正时齿轮室附近听到“吱吱”的响声,则可能为平衡轴等轴承钢球磨损;若听到瀑布般的“哗哗”声,则可能为轴承松动。 (3) 若在气缸下部忽然听到沉重有力的金属敲击声,则可能为连杆螺栓松动。 (4) 若在正时齿轮室附近有明显的噪声,在低速或改变转速时,用金属棒抵在齿轮室盖上,能听到“克拉克拉”的声或硬物撞击声,该响声随着转速的升高而增强,此时可能是正时齿轮室的齿侧间隙过大。
(1) If you hear a short and heavy beating sound, the sound is clearer when you open the oil filler cap or pull out the oil dipstick, and when the noise suddenly increases or accelerates, the clearance may be too large . (2) If you hear “creak ” sound near the timing gear room, it may be worn on the balance shaft and other bearing balls; if you hear a waterfall-like “buzzing” sound, it may be bearing Loose. (3) If you suddenly hear the heavy metal percussion sound in the lower part of the cylinder, the connecting rod bolt may loose. (4) If there is obvious noise in the vicinity of the timing gear room, when the speed is low or the speed is changed, the sound of the “Clacla” As the speed of sound increases with the sound, this time may be the timing gear chamber side of the gap is too large.