实言舌实言兑
2 one before running for safety guidelinesCheck the equipment status and good condition, check the pipeline pressure gauge, button in the course of transportation is damaged, when one found fault and hydraulic system appears unusual noise, cut off the power supply to stop working and remove the faults, forbidden beyond the scope of the valve pressure test.3. The electrical safety instructionsOne three-phase four-wire, ac power: voltage 380 v, 50 Hz ac, control circuit voltage 220 v, 50 Hz ac: non-professional workers banned power control device to avoid dangerous touch. Because one more button, so remind the operators must attach great importance to the problem of security, not after learning the notes, it is strictly prohibited to mount guard.Check the power supply is reliable grounding line, line diameter meets the requirements.Check the power supply sequential is correct.Check signal instructions is correct.One, electrical malfunction, should first shut off the power and fault not relieved, and no one is allowed either.Electrical maintenance personnel must be electrician operating rules wear electrician tools for insulation, there must be a special person to care about maintenance period, or in the power source for warning
坏坏的小幸福
您好！员工 [简明汉英词典]employeepersonnelstaff须知 [简明汉英词典]noticeone should know that员工须知用英语：staff the notice
彩衣girl
2 test operation before the preparation work of safetyCheck the equipment situation and intact state, check the pipeline pressure meter, a button in the transport process is damaged, when the test platform hydraulic system fault and abnormal noise, to cut off the power to stop working, troubleshooting, no testing beyond range of valve pressure test.3 related aspects of electrical safetyTest bench adopts three-phase four wire, AC power supply voltage: 380V, 50Hz, voltage 220V control circuit, 50HZ: non professional staff ban touched power control device in order to avoid the danger. Because the test button is more, so to remind the operator must attach great importance to safety problems, not after learning this information, no induction.Check power supply grounding wire is reliable or not, whether it meets the requirements of wire diameter.Check power continued correctly.Check signal indicating whether the correct.Test the electrical failure, should first turn off the power supply, fault is not lifted, no person shall be allowed to send electric.Electrical repair personnel must be in accordance with the electrical operation in electrical insulating tools, repair period must have special care, or in the power department listing warning望采纳
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