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Air shower blowers precautions and preparations Aug 03, 2018

In order to ensure the normal operation of the air shower blowers, it is necessary to ensure that the grounding of the fan casing or the motor casing is reliable before working. At the same time, during the operation of the air shower fan, there should be no reverse rotation and no over-rated current is allowed. It is forbidden to run out of phase and it is forbidden to maintain the fan during operation.

 

Generally, before the operation, the relevant preparation work should be done in advance. First, the air shower chamber fan should check whether the package is intact before the box is opened, whether the nameplate parameters of the fan meet the requirements, and whether the accessories are complete and complete. Secondly, it should be carefully checked whether the fan is deformed or damaged during transportation, whether the solid parts are loose or falling off, whether the impeller has a rubbing phenomenon, and all parts of the fan are inspected. If an abnormality is found, it should be repaired before use.

 

Next, use a 500V megohmmeter to measure the insulation resistance between the air shower chamber fan casing and the motor winding. The value should be greater than 0.5 megohm. Otherwise, the motor winding should be dried. The temperature should not exceed 120 °C during drying. In addition, prepare the various materials, tools and sites required for the installation of the air shower.

 

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