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现代80一7挖掘机配件门锁
现代R80-7型液压挖掘机
现代R80-7型液压挖掘机
现代R80-7型液压挖掘机配置洋马4TNV98型4冲程柴油发动机,额定功率达到44．1 kW,这意味着该机有足够的功率储备来进行快速有效的工作。采用经久耐用的塑料制成的空气滤清器,延长了维修保养的间隔时间。为了保护加注系统,采用了大容量的燃油过滤器和透明的油水
现代挖掘机R55-7
2-1 GROUP 1 HYDRAULIC PUMP 1. GENERAL This is a variable displacement double-piston pump for discharge with equal displacements from one cylinder block. This pump is so compact as to appear a single pump though this is actually a double pump. Because this pump has one swash plate, the tilting angle is the same for two pumps. Tilting of the pump changes in response to the total pressure of P1 +