boiler spares , fibrizer tip , actuator of motorized valve for start-up vent valve iq-3-35, rpm-48, inching & on-off type torque-474 nm, make- rotork , id fan impeller with shaft & hub same as existing shaft material en-8 , p. a. fan impeller with shaft & hub same as existing shaft material en-8 , travelling grate stoker chain same as existing, make- sitson , travelling grate stoker runner same as existing, make- sitson , rotory soot blower with r/g box & motor complete in all respect, make- sitson , long retractable soot blower with r/g box & motor complete in all respect rack & pinion box type, make- sitson , travelling grate bar, make- sitson , reduction gear box ratio – 63.2: 1 output speed- 23 rpm, input power – 0.75kw/1h.p/1440 rpm, make top gear transmission , lock bush for travelling grate, sitson , m. s. washer i.d- 17mm, o. d- 30mm, thk- 3mm, sitson , link pin for travelling grate chain, sitson