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1故障分类 tTY220推土机不能行走是最常见的故障之一。t不能行走按液力机械传动油的温度高低可分为冷车和热车两种状态：冷车不能行走是指冷车启动发动机并中速运转，然后挂挡，推土机不能立即起步；热机不能行走是指在正常推土过程中，随着油温的升高（在正常油温范围内），推
1 fault classification tTY220 bulldozer can not walk is one of the most common faults. t can not walk by hydraulic machinery Transmission oil temperature can be divided into two types of cold and hot car status: cold car can not walk is the cold start the engine and run at medium speed, and then block, the bulldozer can not immediately start; heat engine Can not walk is in the normal process of soil, with the oil temperature rise (in the normal oil temperature range), push