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一台日本多田野公司生产的TL-252型全液压汽车起重机,经过大修后又使用了一年就出现转台不能回转的故障;同时,液压系统出现噪声。但操作系统并未报警,机器也没有其他不正常的现象。 本着“先易后难”的原则,首先检查液压系统的液压油是否充足或变质,液压系统是否有节流现象。查看液压油箱,油充足无变质的现象,油
A multi-field Japanese company produced TL-252 full hydraulic truck crane, after a year of overhaul and then turn the turntable can not turn the fault; the same time, the hydraulic system noise. However, the operating system did not alarm, the machine does not have any other abnormal phenomenon. In the “easy first hard” principle, first check the hydraulic system hydraulic oil is adequate or deterioration, the hydraulic system is throttling phenomenon. Check the hydraulic tank, adequate oil without deterioration of the phenomenon of oil