4, the flow exceeds the rated flow rate exchange large filter 5, the filter internal airflow short circuit to find the cause, symptomatic treatment. 6, filter fastening screws are not tightened tighten the filter 7, import and export filters reversed direction to look for markers reclosing The oil change intervals recommended in 2000-4000 hours, synthetic compressor oil drain intervals recommended products in 4000-8000 hours, if more oil to run the necessary monitoring and maintenance, good quality air compressor Berg _ _ Berg air compressor provided Xingchang Pneumatic Machinery Pneumatic Machinery Co., Ltd. Qingdao Xingchang. Qingdao Xingchang Pneumatic Machinery Co., Ltd. (www.xckyj.com) strong, credible, in Qingdao, Shandong Province and other industry-specific equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xingchang pneumatic machinery into the brilliant and you work for a better future!