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Screw pneumatics machine is using the hard to avoid in the process for a long time to be able to appear all sorts of problems, can spark right now call the police. Fall in summertime high temperature especially, screw pneumatics machine appears more possibly again and again state. So, of pneumatics machine a few is calling the police those circumstances respectively? Are its urgent, serious does degree have again why to differ? Will quickly understand! 2 class call the police oil level calls the police: After compressor is started, be like 1/3 of oil level prep above (switch of low oil level) continue, spark under 1/3 otherwise low oil