bids are invited for repair and overhauling service - e 305 scoring marks on center da due to fair wear and tear make koel model sl90 onboard icgs amartya; e 305 scoring marks on center da due to fair wear and tear make koel model sl90 onboard icgs amartya; no; buyer pre.. , repair and overhauling service - e 306 significant wear and tear observed on the crankshaft idler gear bearingr on port da make koel model sl90 onboard icgs amartya; e 306 significant wear and tear observed on the crankshaft idler gear bearingr on po.. scoring marks observed on center da crankshaft (make m/s koel, model sl 90) due to fair, wear and tear, crankshaft is required to be re-paired by polishing/machining and fitment of suitable main bearings for defect rectification. in way job includes :- 1.1 removal of crankshaft along with other components. 1.2 crankshaft to be polished/machined up to acceptable tolerances. 1.3 oversized / suitable bearing to be fitted in crankshaft significant wear and tear observed on the crankshaft idler gear bearing of port da (make - m/s koel, model - sl 90) with wearing down of idler gear / oil pump gear and crankshaft gear train required along with fit-ment of new gear for defect rectification of pda for satisfactory opera-tion. in way job include :- 2.1 removal of crankshaft along with other components 2.2 replacements of suitable gear along with other components total quantity :