(1)保证液压油质量应根据生产厂家的规定添加液压油,不要随意更换牌号。液压油进厂必须进行取样检验,检验合格后还需再过滤,才能注入油箱。液压油应保持一定的清洁度,通常以固体颗粒污染等级、 (1) to ensure the quality of hydraulic oil should be added according to the provisions of the manufacturer of hydraulic oil, do not arbitrarily change the grade. Hydraulic oil into the plant must be sampling inspection, inspection after passing need to be filtered to be injected into the tank. Hydraulic oil should maintain a certain degree of cleanliness, usually with solid particles pollution level,