tender for daily routine / preventive and breakdown maintenance of wds-6 / wdm-2 / wds-4b locomotives of coal handling plant, btps, obra-4 repair of c-2 relay valve 5 repair of inter coolers of expresser 6 repair of after coolers 7 repair of water pumps 8 repair of compressor governor 9 repair of driver’s seat. 10 sitting. 11 back rest 12 hand rest 13 replacement of glasses. 14 front glass 15 side window 16 rear glass 17 door glass 18 repair of a-9 valves. 19 repair of sa-9 valves 20 repair of battery charger 21 repair of fuel injector 22 repair of f.i.p 23 repair & replacement of reverser 24 repair & replacement of lube oil cooler 25 repair of va-1 control valve 26 repair of h.s.-4 valve 27 repair of h.s.-5 valve 28 repair of air pressure regulatory valve 29 repair of auto drain valve 30 group “b ”part-ii 31 replacement of gas inlet casing of turbo. 32 replacement of loading pad 33 replacement of f.i.p. 34 replacement of injectors 35 replacement of inter coolers 36 replacement of cylinder heads 37 replacement of under frame assly. & brake system 38 replacement of cylinderliner 39 group “b” part-iii ( wds-6 ) 40 replacement & alignment of expresser 41 repair & replacement of traction motor blower 42 replacement of after coolers 43 group “b”part-iv ( wdm-2 ) 44 replacement of after coolers 45 replacement & alignment of expresser 46 repair & replacement of traction motor blower 47 group “c” ( wds-4b ) 48 routine maintenance of diesel locomotive wds-4b, clw, mak-21 as per clw manual on annual contract basis