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W4-60型挖掘机转向迟缓与沉重的原因,可能是液压转向系统效率下降、系统压力过低、油路不畅和系统内有空气等。具体表现在以下几方面:转向缸活塞密封环与缸筒内壁的间隙过大或密封环及垫片损坏;中央回转接头外
W4-60 excavator steering slow and heavy reasons may be reduced efficiency hydraulic steering system, the system pressure is too low, poor oil and the system has air and so on. Specific performance in the following areas: cylinder piston seal ring and cylinder wall gap is too large or damaged ring and gasket; central rotary joint outside