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Rotary airlock valve repair requirements and bearing maintenance
Feb 08, 2018

The correct maintenance and maintenance of the Rotary airlock valve is a very important guarantee for the safe operation of the fan and the service life of the fan. Therefore, when using the fan, adequate attention must be paid to the proper operation of the fan and the period of regular inspection. Have the opportunity to check whether the impeller cracks, wear, dust and other defects.

Rotary airlock valve in the operation of the impeller must keep the clean state, and regularly use the wire brush to brush the dust and rust above, etc., because with its longer running time, because the dust can not be uniformly attached to the Impeller, causing impeller balance damage, and even cause rotor vibration.

Whenever the fan blades are repaired, they need to be rebalanced and, if available, can be balanced on site using their portable dynamic balancers. Before balancing, it must be checked that all tightening bolts are tightened. Because the impeller has been in an unbalanced condition for some time, the bolts may have loosened.

Fan bearing maintenance

Rotary airlock valve in the usual use of the process need to always check the oil supply of its bearing oil, in the use of its case if there is leakage, the end cap bolts can be tightened, this is not enough, may have to change with the new The sealing filler.

Bearing normal use of lubricants, should be replaced at least once within six months, the first use, about 200 hours after the operation, the second oil change time in 1 to 2 months after the lubricant should be checked once a week after, If there is no deterioration of oil, the oil change work can be extended to 2 to 4 months once, the replacement must use the specified grade of lubricating oil, and the old tank thoroughly clean and clean before pouring new oil.

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