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W4－60型挖掘机液压油散热器安装在柴油机的前部，与液压传动系统的回油路（低压油路）相连。由于结构不尽合理，抗振性、可靠性和可维修性均较差。同时该机在行驶或作业时后部振动较剧烈，散热器常发生损坏，而且散热器的拆修十分困难，至少需3人才能完成。在战场环境下，该散
W4-60 excavator hydraulic oil radiator installed in the front of the diesel engine, and the hydraulic transmission system back to the oil circuit (low pressure oil) connected. As the structure is not reasonable, vibration resistance, reliability and maintainability are poor. At the same time, the machine vibrates more violently in the rear part when driving or working, the radiator often damages, and radiator disassembly is very difficult, at least 3 people can finish it. In the battlefield environment, the scattered