Inspection and analysis about air expandable shaft
Release Date:03/03/2015
1.After a failure to understand the situation, to understand the symptoms of fault before work and after.
2.Carefully analyze the reasons or failure to produce the range to find the range of reasons or failure analysis failure.
3.Appearance inspections conducted mainly to check fuses, relays, contactors and switches and other stroke fixing screws and terminal screws loose? Whether disconnection? There is no coil burned out or contact welding and other phenomena? Electrical activity organization whether flexible? And so on. For obvious faults immediately removed.
4.Power off check, primarily to find hidden faults.Generally used the resistance profile of multimeter to check the component and circuit of the faults area whether have open circuit, shorted or grounded phenomenon. Sometimes we also can use the shake table or other equipment to check. If the power off inspection can not find out the cause of the malfunction, then you can energize check
5.Energized check, mainly to find fault that difficult to find. Energized check should be carried out at no load, in order to avoid accidents.
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