Immediately start working, produce an accident to prevent pneumatics machine to switch on the mobile phone, nod here first…
prepares before starting 1. Examination machine circuitry is normal; Whether is examination oil level inside normal limits; 2. Water-cooling aircrew opens cooling water circulatory system, whether does test circulatory system move normally; 3. Add a few clean engine oil from the mouth that take energy of life, the hand moves turning (leather belt and straight couplet type) ; 4. Electrify, examination three-phase power supply is normal, have cold dry opportunity should start cold dry chance first; 5. Not be too short time (a week goes to two weeks) stop machine