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问:怎样诊断行驶跑偏的故障? 答:农用车不能保持直线行驶,自动地偏向一边,操纵困难,称为行驶跑偏。造成行驶跑偏的主要原因有:(1)前轮胎气压不一致,气压低的一侧行驶阻力增大,转动半径小,农用车自动向气压低的一侧跑偏。(2)前轮钢板弹簧折断,左右弹性不一致。若两侧轮胎气压一致,从应检查低的一侧钢板弹簧,看是否折断、过软或拱度不足等。此类故障,应予以更换钢板弹簧。(3)制动器间隙不一致,一侧制
Q: How to diagnose running deviation? A: Agricultural vehicles can not maintain a straight line, automatically biased to the side, difficult to control, known as running deviation. The main causes of running deviation are: (1) the former tire pressure is inconsistent, low pressure side of the driving resistance increases, turning radius is small, agricultural vehicles automatically to the low pressure side of deviation. (2) front plate spring break, left and right elastic inconsistency. If the tire pressure on both sides of the same, from the low side of the leaf spring should be checked to see if broken, too soft or less arches and so on. Such failure, should be replaced leaf spring. (3) Brake gap is inconsistent, one side of the system