When replacing the filter; maintenance filter cartridge filter the oil or gas line to play in the role of impurities, used excavators trade group to stop its invasion caused by internal system failure; various filters should be changed regularly in accordance with the (operation and maintenance manual) requirements , you should check whether there are metal attached to the old filter, such as metal particles found in Woodland timely diagnosis and improvement measures; pure filter used in accordance with the provisions of the machine. Poor shoddy filter filtering capabilities, each and material quality surface filtration layer which does not meet the requirements, will seriously affect the normal use of the machine. Development of multi-species, multi-functional, high quality and high efficiency of the excavator. To meet the needs of municipal construction and farm building, used excavators transaction information, the overseas development of the fighting capacity of 0.25 m3 or less mini excavators, bucket capacity smallest only 0.01 m3. In addition, the largest number of medium and small excavators tend to a machine can work with a variety of means - except shovel, backhoe, the second-hand excavator transaction, also equipped with a crane, grab, flat slope bucket , loading bucket, rake teeth, crushing cone, twist, magnetic chuck, vibrators, bulldozing plate, shock shovel, container forks, high-altitude planes, winch and pull shovel so as to meet the needs of various construction. At the same time, the development of special-purpose special excavators, such as lower than the pressure, low noise, underwater special and amphibious excavators. Used excavator transaction, Jin Hao used excavators, used excavators trading group provided by the Shanghai Used Construction Machinery Co., Ltd. Jin Hao. Used excavator transaction, Jin Hao used excavators, used excavators trade group is Shanghai Jin Hao Used Construction Machinery Co. (www.jinhaosh.cn) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Mr. Chairman.