一台配L195型柴油机的小四轮拖拉机,经过一次“飞车”后,工作仅100小时左右,就发现柴油机产生烧机油现象。经检查是活塞与缸套产生严重偏磨所致。换装新件后摇车观察,发现活塞头部运动时,总是偏向飞轮一侧缸壁。用厚薄规检查,这一侧活塞头部与缸壁间隙比齿轮室一侧活寒头部与缸壁间隙大0.25毫米。为了验证是否由于连杆弯曲 A small four-wheel tractor equipped with a L195 diesel engine, after a “Speed ​​?? ” after only 100 hours of work, we found that diesel engine burn oil phenomenon. After checking the piston and cylinder liner caused by serious eccentric wear. Dress up the new piece after the car was observed and found that the piston head movement, always biased side of the flywheel cylinder wall. Check with the thickness gauge, this side of the piston head and cylinder wall gap than the gear chamber live cold head and cylinder wall gap 0.25 mm. In order to verify whether due to the connecting rod bending