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我单位有一台卡特彼勒公司的D10型推土机已运行近1万h,其发动机冷却液在发动机工作2min以后,突然出现冷却液温度升高报警以及水箱的冷却液开锅的现象。据此,我们对冷却系统进行了全面检查,发现冷却风扇的转速特别低。因为,冷却风扇由液压马达驱动,所以就检查了液压系统的
My unit has a Caterpillar D10 bulldozer has been running nearly 10,000 h, the engine coolant in the engine 2min after the sudden emergence of the coolant temperature rise alarm and the tank of the coolant boiling phenomenon. Accordingly, we carried out a comprehensive inspection of the cooling system and found that the cooling fan speed is particularly low. Because the cooling fan is driven by a hydraulic motor, the hydraulic system is inspected