Replacement Of Agitators , Rakers And Clarifloculators In Pa / Pc Plants , Fact Cd . , Replacement Of Agitators , Rakers And Clarifloculators In Pa / Pc Plants , Fact Cd . , Maintenance And Replacement Of Agitators . Work Involves: A ) Decoupling Drive Motor , Removing From Position , Transporting To Electrical Work Shop Or Any Other Place As Per The Instruction Of Engineer In-Charge , Collect Repaired / New Motor , Transport To Site , Fixing , Alignment And Coupling . B ) Decoupling Gearbox From Agitator , Transporting To Mech Workshop Or Any Other Place As Per The Instruction Of Engineer- In-Charge , Removal Of Coupling From Gear Box And Re Fixing ( If Required ) Transport Back To Site , Fixing , Alignment And Coupling . C ) Lifting And Transporting The Defective Agitator From Pit / Attack Tank , Cleaning Thoroughly For Inspection , Minor Repair Like Welding Of Cracks , Straightening And Reinforcing , Welding Of Bend Blades , Replace Worn Out Parts Like Blade , Stiffeners , Gland , Coupling , Bearing Housing Etc . By Welding And Building Up , Transporting To And Back From Workshop For Machining And After Machining , Assembling With New Bearing ( If Fitted With Bearings ) And Making Ready For Use . D ) Minor Repair Of Foundation Of Agitator , Motor , Gearbox And Base Plate By Replacing Damaged Structural Members / Repairing The Weld Cracks Etc . As Per Instruction Of Engineer- In-Charge . E ) Fixing Back The Repaired / New Agitator In Position , Leveling , Tightening And Servicing Without Any Defect . The Above Works Are To Be Arranged On The Following Equipments . A ) Digestion Vessel Agitators . I / Ii / Iii . B ) Attack Tank Agitators Of 11 , 12 , 13 , 14 , 15 , 16 Compartments , Weak And Strong Acid Storage Tank Agitators . C ) 21St Compartment Agitator , Slurry Circulators , Agitators Of Fst And Pumping Vessel Agitators . D ) 30% And 45% Settler Rakers , Clarifloculators In P . C . Plant .
