Roots fan can not be separated from the use of the process of overhaul, then Roots fan common overhaul methods are those? On this issue, Roots fan editorial take you to understand.
1. Clean and overhaul the casing, if there is any air leakage must be plugged.
2. The casing has an inner liner, which must be replaced with a worn liner, or patch welded with a replacement part of the village plate.
3. Check whether the spindle is bent and whether the journal is worn or scratched, the small bend should be repaired straight, and the large bend must be replaced with the spindle.
4. Repair the rotor, patch welding blade, if necessary, replace the damaged impeller or blade. Suction and exhaust dust and smoke wear-resistant Roots fan, Lei with wear-resistant welding rod filler welding blade.
5. Check and clean the bearings, or re-cast the sliding bearings of the aureole or replace the wave bearings.
6. Clean and check the water cooling system of the bearings (fan equipped with water-cooled bearings), if the water pipe is clogged or ruptured, clean and repair it.
7. Check the assembly of the couplings or replace them, repair the flexible couplings of the couplings, and repair the finger pin holes of the couplings on the fan shaft and motor shaft.
8. Center the Roots fan and motor according to the coupling.
9. Access to shaft guards.
10. Clean and overhaul the regulating door of the fan and its regulating mechanism.
11. Check the assembly of the pulley or replace the V-belt.
12. Check for damage to electrical equipment such as motors, starter switches, etc. and overhaul them.
13. Check the foundation for damage and repair it.
14. Repaint the fan housing with protective paint.
15. Roots fan overhaul for running test.