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