Service Contract For Overhauling Of Aph , Paph And Saph Of Ntpc Farakka , O/H Of Paph And Aph At Fstps . , Bisector Aph <=200Mw Cleaning , Bisector Aph ( Soot Blwr ) Attend Defect , Bisector Aph ( Guide Brg ) Inspection , Bisector Aph ( Rotor ) Levelling , Bisector Aph ( Sup . Brg ) Inspection , Bisector Aph ( Byp Seal ) Setting , Bisector Aph ( Guide Brg ) Repl , Bisector Aph ( He Baskt ) Repl , Bisector Aph ( Ce Baskt ) Repl , Fire Sys ( Wtr Tndr ) Serv , Bisector Aph ( Airmotor ) Repair , Bisector Aph ( O/R Clutch ) Attend Defect , Bisector Aph ( Ax . Seal Plate Assy ) Levell , Fluid Cplg ( <> ) Oh , Lub Oil System ( Pump ) Serv , Bisector Aph ( Sup . Brg ) Repl , Bisector Aph ( Air Seal Assy ) Serv , Bisector Aph ( Rotor Post Seal ) Repl , Gear Boxes ( <> ) Repl , Misc Works ( <> ) Welding , Bisector Aph ( T Bar ) Repl , Bisector Aph ( Pin Rack Assy ) Aligning , Scaffolding ( <> ) Erection , Trisector Aph ( Sect . Plt ) Aligning , Bisector Aph ( Cog Rim Pin ) Repl , Bisector Aph ( Rd . Seal ) Setting , Pipe Bracings <> Oh , Bisector Aph ( T Bar ) Aligning , Bisector Aph ( Drive Engmt ) Aligning , Bisector Aph ( Grating ) Repl , Bisector Aph ( Sect . Plt ) Repl , Bisector Aph ( Pin Rack Assy ) Repl , Bisector Aph ( Ax . Seal Plate Assy ) Repl , Elec Hoists ( <> ) Serv , Duct ( <> ) -Repair , Misc Works ( <> ) Attend Breakdown , Bisector Aph ( Byp Seal ) Repl , Bisector Aph ( Rot . Angl ) Repl , Air Receiver Tanks ( <> ) -Insp