OT 237 ID Fan B

Removal of insulation Single layer (60mm thick) wool mattress, G.I Cladding sheet, stiffeners, retainer plates etc. welding the support plates, rectification and refixing the existing insulation Single layer (60mm thick) wool mattress, GI sheets, lead and lift etc in the required area of ID Fan 'B' with new fastners.

Opening manhole doors, Removing impeller casing, intermediate casing and shaft top cover, coupling, Intermediate shaft, pressure plate, sealing ring and Bearing cap etc in ID Fan 'B' after adjusting the coupling for providing axial gap for dismantling intermediate torque transmission shaft.

Dismantling of the fan impeller from rotor shaft by using special tools and tackles.

Dismantling the Bearing cooling air pipe lines, Bearing Grease line, Conical Piece, Spool piece, Bearing cap, Bearing enclosure and Bearing Housing from the casing.

Removing the Shaft Sleeve, Bearing Top Cover, Cylindrical, Roller bearing and single row angular contact ball bearing from the bearing housing.

Cleaning the rotor shaft, Roller bearing, Ball bearing, Impeller, Bearing Housing, Intermediate torque transmission shaft, Pressure plate, Bearing Cooling Air Pipe line, Bearing Grease line, Conical Piece, Spool Piece, Bearing Cap, Bearing Enclosure, Shaft Sleeve, bearing top Cover and Couplings.

Assembling the single row angular contact ball bearing and cylindrical roller bearing after checking the clearance bearing distance piece, Bearing Cap, Shaft Sleeve and Bearing alignment work after manual filling of grease in bearing housing and checking the clearance of bearing for its free rotation.

Fixing the Bearing cooling air pipe lines, Bearing Grease line, Conical Piece, Spool piece, Bearing cap, Bearing enclosure with Bearing Housing in non Drive End of ID Fan ‘B’.

Fixing the Bearing housing, Impeller, Pressure Plate, sealing ring, coupling, Intermediate shaft, Shaft cover and mounting the impeller casing and intermediate casing by using locating pins and fasteners.

Checking the alignment of coupling with the motor and conducting trial run complete in ID Fan 'B