(Continued a) 8, the first to use the excavator hydraulic oil must be clean, excavators school, was in line with the season using a label, to ensure the smooth flow of oil into the pipeline, are not allowed into the air, regular cleaning nets or replace the filter, hydraulic oil is not Associate moisture content, Tai'an excavator schools Which is good, according to the season to replace the hydraulic oil, replace the oil pump refuel power source should be in loose exhaust bolts, Tai'an excavators school phone, exhaust air. When the warm-up operation of law or a cold winter cold when the excavator, when that is difficult to start the engine, the intake air can be preheated using the method. Manual preheating the hand of a place will be automatically reset "OFF 'position Remember: warm-up time should not exceed 30s Tai'an excavator schools where school _ _ excavators and excavator Kerry school by the 泰安嘉 and Heavy Machinery Co., Ltd. provided. 泰安嘉 and Heavy Machinery Co., Ltd. (www.tajhzg.com/) strong, credible, in Tai'an, Shandong mining machinery industry has accumulated a large number of loyal customers. The company better work attitude and continuously improve innovative ideas will lead Kerry and heavy and you hand in hand into the brilliant, for a better future!