如何判斷變速路空擋運轉時發生異常響聲的原因
How to judge the cause of abnormal noise in the empty running of variable Speed Circuit
發動機曲軸與變速器第軸安裝時同軸度超過偏差。可用撬棒撬動變速器殼體和變速器連線螺栓，檢查殼體連線是否鬆動。旋緊連線螺栓後，變速器異響可能變化。
。The coaxiality of the engine crankshaft and the transmission shaft exceeds the deviation when installed。 You can use a crowbar to pry the transmission housing and the transmission connection bolt to check that the shell connection is loose。 After the bolt is fastened， the abnormal noise of the transmission may change。
變速器第二軸前軸承磨損汙垢、起毛。若前軸承損壞，則會響聲加重，並伴有跳動的撞擊聲。當掛人直接擋後，聲響明顯減少或消失。
。The front bearing of the second shaft of the transmission wears dirt and hair。 If the front bearing is damaged， the noise will be aggravated， accompanied by a beating impact sound。 When the person is directly blocked， the sound is obviously reduced or disappeared。
變速器常齧合齒輪磨損或個別齒輪碎裂，前者產生均勻的噪聲，後者會產後有節奏的撞擊聲。
。 Transmission often meshing gear wear or individual gear fragmentation， the former produces uniform noise， the latter will have a rhythmic impact after delivery。
常齧合齒輪不配套，齧合不良，如果是新換裝的齒輪，則允許有輕微、均勻的齒輪齧合聲。
。 Often meshing gears do not match， meshing is not good， if it is a new gear， there is allowed to have a slight， uniform gear meshing sound。
第二軸彎曲或軸承受壓力不均勻，當轉速增快時，異響明顯加大；當載荷增加時異響也增大。
。 The second shaft bends or the shaft bears uneven pressure， when the rotating speed increases， the abnormal noise increases obviously， and when the load increases， the abnormal noise also increases。
第一軸軸承損壞，軸承座孔磨損，類似於第-條，在撬動時或旋緊連線螺栓後，響聲都無變化。
。 The first shaft bearing is damaged and the bearing seat hole is worn， similar to Article -。 The sound does not change when the bolt is prized or when the bolt is fastened。
舊的常齧合齒輪換新軸承，致使齒輪因齧合部位改變，會造成不正常的齧合聲，但允許有輕微、均勻的齒輪齧合聲。
。 The old constant meshing tooth rotates the new bearing， which causes the gear to change because of the meshing position， which will cause abnormal meshing sound， but the slight and uniform gear meshing sound is allowed。
倒擋齒輪損壞，倒擋常齧合齒輪磨損、斷齒或倒擋軸軸套磨損松曠，則在掛人倒擋時，這種響聲會增大。
。 If the reverse gear is damaged， and the gear wear， broken teeth or wear of the shaft sleeve of the reverse gear are loose， the noise will increase when the person is hanging in reverse gear， if the gear is damaged and the gear is often meshing gear， the wear of the broken gear or the shaft sleeve of the reverse gear will be loose。
