Cleaning the inside of the electrostatic filter and bag filter whit dry compressed air
Fix some issues inside main chamber regarding to improper fixing of electrodes
Check and adjust if needed spaces between electrodes
Check and adjust hammers mechanisms to assure working correctly
Clean all insulators from dust and protect against dust adhering
Check mechanically all drives looking at exceeded vibrations / bearings damage
Inspection doors on fumes duct to check residuals level inside
Inspect entire structure, including ducts steel sheets assembly and tightness covering insulation
Check and change of sleeves in bag filters
Fix small issues, clean and paint small corrosion centers if found