How to maintain high temperature smoke exhaust fan and prolong service life?

High temperature smoke exhaust fans are widely used in ventilation system. The below are several maintenance methods.

high temperature smoke exhaust fan

1. Adding lubricating grease regularly, from zerk fitting by fuel truck nozzle. You can open the oil discharge outlet under motor cover to discharge waste oil. 
If there is oil starvation in the bearings, please check out the reason firstly, and add oil at any time. 

2. High temperature smoke exhaust fan starts to run at least once a month, so as to have good motor bearing lubrication. 

3. It is better to check attachment bolt regularly. Once the loose, spring washers have to be changed and fasten again. 

high temperature smoke exhaust fan

4. Checking fan running situation at fixed period, if there are any friction, loose and strenuous vibration,then check out the problems carefully and remove the obstacle. 

5. Inspecting the bearing of the high temperature smoke exhaust fan. Toggle the impeller, listen whether there are any sounds of bearing's looseness and friction, then  remove the trouble.