ECHPI Attending breakdownpreventive mechanical maintenance works such as renewal of mesh clothes replacement of worn out and broken ring hammers etc. at Secondary Crusher HouseI

PREV MECHL MTNCE IN SCH I

Charges for releasing of worn out mesh cloth from the Vibrex Screen by removing bolts, unloading the worn out mesh cloth from screen floor to ground floor, lifting the new mesh cloth from the ground floor to screen floor and then to screen assembling the mesh cloth with tension bolts and centre bolts loading the worn out mesh cloth in vehicle and devoluting to Stores, including the cost of consumables, hire charges for T&P’s etc., complete.

Charges for removal of safety cover locking plates, counter weight from the screen shaft, removal of bearing housing after supporting the shaft then removal of bearing and sleeve from the bearing housing, heating the bearing housing in oil bath and then fixing new bearing in the housing, assembling the bearing housing with bearing over the shaft and live frame, tightening the bolts and nuts of the bearing housing with the live frame, inserting the sleeve, fixing the bearing closure, checking the clearance between the sleeves and bearing housing, assembling the counter weight lock plate safety cover and trial running the screen then devolution of scrap materials to Stores, including the cost of consumables, hire charges for T&Ps etc., complete.

Charges for collecting and transporting the released cage bars of crusher from the ground floor, hoppers, conveyor-28A, 28B and from the coal yard to Crusher floor lowering the cage bars, inside the crushers and assembling the cage bars one by one in position with J bolts and blocks, after assembling all the cage bars hand rotating the rotor assembly and checking the abstraction of rotor assembly- renewal of broken ring hammers with spare ring hammers in all the segments by releasing the suspension bar of the crusher from one end, including cost of consumables, hire charges for T&P’s etc., complete.

Charges for releasing of all the 132 Nos. worn out ring hammers, from the crushers, drawal of new ring hammers from the Stores, weighing the new, 2nd hand ring hammers, balancing and placing on the floor in sequential order, assembling the balanced ring hammers in place of the released worn out ring hammers, trial run of the crusher, then inspection and segregation of worn out ring hammers one by one, devolution of non reusable ring hammers to Stores as scrap including cost of consumables, T&P’s hire charges, etc.,

S.GOPALA KRISHNAN CONTRACTOR