spare maintenance ( repairing and reconditioning ) of mechanical equipments and repairing of guide and supporting rollers of pc, rotor shaft of sc, broken teeth of various gear box, geared coupling and various pulleys, installed in chp, ‘a’tps, anpara- 1 spare maintenance ( repairing and reconditioning ) of mechanical equipments installed in chp, 3x210 mw 2 complete repairing and reconditioning of old & worn out rotor shaft of vibrating screen. 3 complete repairing and reconditioning of old & worn out rotor shaft of ht / lt motors. 4 balancing of the rotor shaft of ht / lt motor 5 complete repairing and reconditioning of old & worn out universal joint shaft of emergency vibrating feeder. 6 complete repairing and reconditioning of old & worn out plumber block of primary crusher. 7 complete repairing and reconditioning of old & worn out plumber block of secondary crusher. 8 complete repairing and reconditioning of old & worn out flexible coupling mounted on the shaft of the gear box / motor / fluid coupling. 9 complete repairing and reconditioning of old & worn out love joy coupling of pf ( small ) . 10 complete repairing and reconditioning of old & worn out love joy coupling of pf ( big ) . 11 complete repairing and reconditioning of old & worn out geared coupling of pf. 12 complete repairing and reconditioning of old & worn out plumber block of vibro feeder with brass bush and pin. 13 complete repairing and reconditioning of old & worn out vibrating screen housing with keyway and key 14 complete repairing and reconditioning of old & worn out brake drum of tt. 15 complete repairing and reconditioning of old & worn out flange bush, housing and chuck nut of gear box 16 fabrication / repairing of tie rod of tt 17 repairing of guide and supporting rollers of pc , rotor shaft of sc, broken teeth of various gear box, geared coupling and various pulleys 18 repairing of drive / non drive shaft of conveyor pulley of following sizes as per scope of work 19 400x1700x90-140x2230mm 20 650x1700x115-140x2250mm 21 730x1700x110-140x2300mm 22 800x1700x140-180x2700mm 23 replacement of drive / non drive shaft of conveyor pulley of following sizes after machining as per scope of work 24 400x1700x90-140x2230mm 25 650x1700x115-140x2250mm 26 730x1700x110-140x2300mm 27 800x1700x140-180x2700mm 28 jointing of the sheared shaft of the following size of the pulley by fixing pilot shaft after fabrication and boring inside the broken shaft along with other associated works as per scope of work 29 650x1700x115-140x2250mm 30 800x1700x140-180x2700mm 31 replacement of the shell of the following size of the conveyor pulley after fabrication 32 400x1700mm 33 650x1700mm 34 730x1700mm 35 800x1700mm 36 replacement of end plate of following size of pulley after fabrication. 37 400x1700mm 38 650x1700mm 39 730x1700mm 40 800x1700mm 41 repairing of the hub of the pulley shaft by buildup & machiningof the following size of the pulley 42 shaft dia at hub 100-130mm 43 shaft dia at hub 140-160mm 44 shaft dia at hub 170-220mm 45 repairing of the geared coupling by machining ( pilot bore ) and by buildup and machining of old of following size as per scope of work 46 shaft dia at hub 100-130mm 47 shaft dia at hub 140-160mm 48 shaft dia at hub 170-220mm 49 rectification of damaged and worn out bearing housing of vibrating screen / gear box / pf / pulley of stacker & reclaimer 50 repairing of broken teeth of input / intermediate / output gear of different gear boxes. 51 machining of guide roller wheel & guide roller shaft ( one set consists of one guide roller wheel & one shaft ) 52 machining of supporting roller wheel andrebuilding, undercutting & machining of the supporting roller shaft ( one set consists of one supporting roller wheel & one shaft ) 53 repairing of worn-out rotor shaft of secondary crusher