ECHP-I- Replacement of worn out centre disc and end disc by a new one suitable for RM-54 Ring granulator A at Secondary Crusher House-I

Charges for replacement of worn out centre disc and end disc suitable for RM-54 ring granulator A at Secondary Crusher House - I - Including drawal of materials from central stores / TTPS and unloading at secondary crusher house - I - Removing the flange coupling bolts, crusher top cover, chute liner, receiving chute front cover, plummer block bed bolts on both sides etc., and shifting to screen floor - Removal of rotor shaft assembly from its position and shifting in screen floor – Removal of flange coupling, disc spacer, both end of bearing from plummer block, worn out centre disc and end disc in the existing rotor assembly - Cleaning the entire length of rotor shaft at ground floor and all the related spare materials - Shifting to assembling work spot - Assembling the spares like new centre disc, new end disc, disc spacer, frame seal sleeve, suspension bar in the spare rotor shaft and well tightened the both end lock nut - Lifting the assembled crusher rotor shaft from screen floor to crusher floor - Complete cleaning of bearing seating area in the plummer block and rotor shaft, assembling of both end bearing, sleeve, distance sleeve, labyrinth with plummer block etc. After assembling of bearing with plummer block then checking the bearing clearance and free rotation of plummer block on both sides - Oil heating the rotor shaft flange coupling and then assembled in drive end side of rotor shaft - Shifting the new bearing assembled rotor shaft from screen floor to crusher floor and positioning with proper location of crusher A rotor seating area - After proper seating of rotor shaft assemble all the plummer block fixing bolts are provided - Alignment of rotor shaft assembly with respect to jack shaft driven pulley and rotor freeness and bearing clearance checked and well tightened - After completion of all works then assembling of crusher liners, top cover and other released items - Finally connecting the flange coupling bolt and conducting trial running of crusher A - including hire charges for T&P's and all other consumables, etc., complete.

S.GOPALA KRISHNAN CONTRACTOR (BID ID -1214115)