推土机在实际使用过程中，常常出现的一些转向故障如下。若左、右侧转向同时有故障，一般可判断为转向阀有故障（如转向阀间隙过大）或转向油压不够。若一侧转向有故障，则可能是转向阀卡死（冷态）或转向离合器活塞、连接盘、密封环或轴承座有损坏，造成泄压（热态）。转向阀 In the practical use of the bulldozer, some steering faults that often occur are as follows. If the left and right steering are at the same time faulty, it can be generally judged that the steering valve is faulty (such as the steering valve clearance is too large) or the steering oil pressure is not enough. If the steering on one side is faulty, the steering valve may be stuck (cold) or the steering clutch piston, connecting disc, seal ring or bearing seat may be damaged, resulting in pressure relief (hot). Steering valve