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1.液压油变质1台ABG423型摊铺机空载试机运行10min后,大量液压油从油箱盖排气口溢出。从油位观察镜看到油箱内的液压油混入大量气泡,且更换的液压油颜色已经变深发黑。分析认为:液压油箱有气泡的原因通常是由于油箱油位过低或液压泵吸油管密封不严,导致液压泵吸入空气。液压油发黑的原因通常是由于油温过高,造成其氧化变质。首先,检查液压油箱油位正常。其次,检修液压泵吸油管密封情况。该摊铺机的液压油箱有9个吸油管和5个回油管。更换可能漏油的吸油管和密
1 hydraulic oil deterioration 1 ABG423 paver no-load test run 10min, a large number of hydraulic oil overflow from the fuel tank cap exhaust. From the oil level observation mirror see the tank of hydraulic oil mixed with a large number of bubbles, and replace the hydraulic oil color has become darker and darker. Analysis that: hydraulic tank bubble is usually due to the tank oil level is too low or the hydraulic pump suction tube lax, resulting in the suction pump air. Black oil is usually due to the oil temperature is too high, causing its oxidative deterioration. First, check the hydraulic tank level is normal. Second, check the hydraulic pump suction pipe seal. The paver’s hydraulic tank has 9 suction lines and 5 return lines. Replace oil spills and seals that may leak