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The precautions of the resistance heating method in the installation of the hydroelectric unit

Nov 28, 2017

The precautions of the resistance heating method in the installation of the hydroelectric unit

1.The heater should be stored in a room with no light and dry. If the heater is dampened, it should be dried immediately.


2.The end of the heater wire (connecting the interface of the heater rod body) should avoid contacting with liquid, paste (lubricant, oil, synthetic material, etc.) and their steam, and the wire must prevent vibration.


3.Heating with a heater can be used to apply a suitable thermal ointment in the heating section to ensure that the heat of the heater is fully transmitted to the shaft bolt.


4.The heating process should be paid attention to controlling the heating time according to the requirements of different types.


5.The remaining elongation value of the coupling bolt should be heated and fully cooled to room temperature.


6.Carry out the construction of other fittings as required by the design and solidly bolt or nut


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