要注意调整拖拉机前束拖拉机前束不适当，会影响拖拉机直线行驶，加快前轮磨损。不同机型的拖拉机前束值不等。调整时应按照各自的说明书，将前束调到规定的范围内。前束是否恰当，可通过前轮辙印来检验：在平直的道路上，先高速行驶１～２分钟，再滑行到停止。滑行时的轮... Should pay attention to adjust the tractor is not appropriate toe-beam tractor before, will affect the tractor straight-line driving to speed up the front wheel wear. Different models of tractor before the beam values. Adjustments should be in accordance with their respective instructions, the former beam transferred to the specified range. Front toe is appropriate, can be verified by front rut printing: On a straight road, first high-speed drive 1 to 2 minutes, and then slide to stop. Skating wheel ...