Main shaft and coupling maintenance

Keep the main shaft clean,and remove dirt from shaft shoulder every year;

Please pay attention to the place where main shaft passes through shaft end seal of inlet chamber side plate, because condensation of small amount of air leakage will probably corrodes the place; 

centrifugal blower coupling

If the centrifugal blower runs for a while under unbalanced state, make straightness inspection to main shaft as far as possible;

Keep the coupling clean, and check the coupling connecting and fastening situation regularly. 

coupling drive centrifugal fan