1. First ask then handle: When the concrete mixer is in trouble, it is not urgent to handle with it first, but to inquire about the reason that it is in trouble and the failure phenomenon.
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2. First external then internal: First it should check the equipment whether there is obvious cracks, defects and understand the history of its maintenance, the use of life, etc.. And then it is necessary to check the internal of the machine.
3. First machinery then electricity: After the mechanical parts of the concrete mixer are trouble-free, the inspection of electrical aspects will be carried out.
4. First static then dynamic: When the device is not energized
villa decor, it should determine the electrical equipment button Calcium Hydroxide Production, transformer, thermal relay and the good and bad of fuse so as to determine the fault location. In final, to repair it by power test, listening to the sound, testing parameters and judging the fault.
5. First cleaning then maintenance: As for the heavy pollution of the electrical equipment, it is necessary to clean its button, connection point, contact point and check the external control keys whether they are not work.
6. First power then equipment: The failure rate of the power supply accounted for a high proportion in the whole fault equipment, so checking the power supply can often get twofold results with half the effort.
