Routine/Preventive/breakdown maintenance works and overhauling works of XRP-803 and XRP-903 bowl mills, raw coal feeders, seal air fans, PF pipes and bends, DPMRHS and their auxiliaries of Unit- 5, 6, 7 & 8.

Routine/Preventive/breakdown maintenance works and overhauling works of XRP-803 and XRP-903 bowl mills, raw coal feeders, seal air fans, PF pipes and bends, DPMRHS and their auxiliaries of Unit- 5, 6, 7 & 8.

Replacement Of Worn-out Grinding Rolls per set

Replacement Of Worn-out / Damaged Bull Ring Segments by new ones Per Set

Replacement of Worm Gear and Worm shaft

Inspection/Replacement of Vertical Shaft Lower Radial Bearing and Thrust Bearing

Servicing of Journal Assembly

Replacement of locked Roller Journal assembly by reconditioned one

Replacement of Insulation Cover Plate assembly per set

Servicing of Mechanical Face Seal Assembly

Replacement of Endless belt/ Servicing of Gravimetric Feeders

Replacement of damaged journal stop bolt & bushing

Replacement of vertical shaft upper radial bearing

Belt tracking/cleaning of gravimetric feeders and replacement of shear pin

Lubrication of mills' & feeders' gear boxes.

Replacement of lower skirt by new one

Replacement of Wornout grinding rolls & allied works in unit 8

Replacement of wornout bullring segments by new ones in unit 8

Servicing of roller journal assemblies in unit 8

Replacement of locked roller journal assembly(RJA) by new/reconditioned ones in unit 8

Inspection and replacement of damaged components of Laybringth seal assembly in unit 8

Servicing of gravimetric feeder/Replacement of damaged feeder belt by new/reconditioned one in unit 8.

Replacement of damaged journal stop bolt & bushing in unit 8

Belt tracking/cleaning of gravimetric feeders and replacement of shear pin

Lubrication of mills' & feeders' gear boxes.

Clearing of spilled mill rejects inside the pits of MRH system, mill gear gear box surrounding area and foundation area.

Repair / Reconditioning of silo discharge gate, cleaning & refitting of air filter bags.

De watering of MRHS trenches/ pits.

Servicing / replacement of Knife edge gate valve.

Servicing / replacement of flapper valve.

Servicing/Replacement of air booster nozzle and hose

Clearing of pluggage pyrite hopper / Transporter vessel.

Servicing of 50/60 mm air valves.

Operation & Maintenance of air compressors Kirloskar make, Its auxillaries & air driers.

Repair / Replacement of conveying pipes.

Alignment of Mill and Motor shaft per Mill

Replacement/Reconditioning of Bowl Extension Ring Segments per Set

Servicing / replacement of gear / bibby coupling

Replacement of Air port Ring Assembly per Set

Replacement of eroded / bulged insulation cover plate assy

Providing of repair patches to PF Straight Pipes / Bends / Mills / Feeders.

Reconditioning of Air port ring assembly per Set

Replacement /servicing of feeder clutch drive assy (Tacho)

Replacement /servicing of feeder main drive reducer assy (Gear box)

Replacement and servicing of Clean out conveyor drive

Replacement / Fixing of Mill Body Protection Plates per Set

Inspection of Worm Gear and Shaft assembly and Alignment

Inspection/Replacement of worm shaft Thrust and Radial Bearings

Replacement of Mill side liners and bottom liners assembly.

Reconditioning of eroded/damaged Mill side liners/bottom liners.

Servicing of Journal Stop Bolt assembly

Servicing/Replacement of Journal Spring Assembly

Journal Spring compression resetting

Ring Roll Adjustment in each mill

Classifier Blade Adjustment per Mill

Servicing/Reconditioning/Replacement of Scrappers and clearing of clinkers in Scrapper chamber per Mill

Replacement of Gland packings/Split Oil seals for worm shaft per Mill

Servicing of Seal Air Fan assembly

Servicing of Seal Air Valves, Filters and Damper assemblies per Seal Air Fan

Servicing of Coal Valve Assembly / Feeder/Bunker.

Inspection/Servicing of Centrifuge Machine

Lubrication of Mill Drive couplings

Servicing of Electrically/Manually operated hoist

Servicing of Hydraulic Jacks

Servicing of Chain Pulley Blocks

Servicing/Reconditioning of Welding machines

Lubrication of Electrically/Manually operated hoists.

Removal of foreign material from Feeder, Mill Separator body and Scrapper chamber

Shifting of Gas cylinders from Stores to site and back. Per Trip

Shifting of oil and grease barrels from stores to site and returning of used oil barrels to stores per Trip

Topping up/Replenishment of Mill Gear Box and Feeder gear box oil.

Cleaning of Mill Platforms, Mills, Mill Gear box, PF pipelines, Feeder, LOPs and Seal Air Fans per Unit (each unit consists of six mills and auxiliaries)

Arresting Coal powder leakages from PF pipelines, Bends, Couplings, Mill, Feeders and chutes of Units 5 to 8. per Day

Removal of oil leaked from gland of Mill Gear box and LOPs

Clearing of choked Mill Centre feed pipe

Clearing of choked PF pipelines from Mill to Boiler corners per Mill

Running and cleaning of Centrifuge Machines (4 Machines to be run per Day)

Providing Airport restriction ring

Replacement of bowl hub cover by new one

Replacement of Journal guard frame per assy

Replacement of upper journal housing liner per assy.(ujh sleeve & flange assy )/ Journal spring assy gap plate welding in units 5,6,7&8

Asst. Diploma Engineer assistance in Maintenance works of Bowl Mills from Units 5 to 8.

Supervision & Monitoring maintenance works of Bowl mills from units 5 to 7.

REPLACEMENT / RECONDITIONING OF WORNOUT PF BENDS UPTO 45 Deg.

Replacement/Reconditioning of worn out PF Bends 45 to 90 Deg.

Replacement/Reconditioning of worn out Fuel Inlet Elbows.

Servicing of Isolation Gates before Coal Burner

Replacement/Reconditioning of Sleeve Coupling.

Replacement/Reconditioning of eroded PF Straight Pipe (Spool Lengths).

Inspection / Replacement of eroded Orifices at Corners.

Providing of repair patches to PF Straight Pipes / Bends / Mills / Feeders.

Replacement / Reconditioning of eroded Mill Outlet Elbows.

Replacement / Reconditioning of Gravimetric Feeder Chutes

Servicing / Reconditioning of Feeder /bunker Coal Valve Assembly.

Replacement / Reconditioning of Mill Discharge Valve Assembly, (Outlet plate, MPO, MDV, Couplings and Gaskets), per Assembly.

Inspection / Replacement of Mill Discharge Orifices.

REPLACEMENT / RECONDITIONING OF ERODED TRANSITION PIECES (In Units-5,6&7).

Replacement / Reconditioning of Venturi Outlets and Venturi Collar Assembly.

Replacement of Inner Cone and Inner cone Drum Section assy

Reconditioning of Inner Cone / inner cone drum sectiom

Replacement / Reconditioning of Centre Feed Pipe.

Replacement / Reconditioning of PF Straight Pipe above Mill Discharge Valve, per Length.

Replacement of Mill Separator Top Liner, Inner Cone and Drum Section (In Unit-8).

Inspection / Replacement of Worm Shaft Thrust and Radial Bearings, Per Mill.

Inspection / Replacement of Vertical Shaft Lower Radial Bearings and Thrust Bearings Per Mill.

Inspection of Worm Gear and Shaft Assembly, Per Mill.

Servicing of Lube Oil Cooling Water System for gear box (In Units-5,6 & 7), Per Mill.

Servicing of Lube Oil System (In Units-8), Per Mill.

Servicing of Seal Air Fan Assembly.

Painting of Bowl Mills, Feeders and Auxiliaries, Per Mill.

Alignment of Mill and Motor shaft, Per Mill.

Replacement of eroded Insulation Cover Plate Assembly per set

Reconditioning of eroded Insulation Cover Plate Assembly Per Set.

Replacement eroded Mill side Liners and Bottom Liners Assembly, per set.

Replacement / Reconditioning of Eroded Flow Deflectors Inside Air Inlet Duct per set

Reconditioning eroded Mill Side Liners and Bottom Liners Assembly, per set.

Replacement Upper Radial Bearing / Mill Bottom / Bowl (In Units-5,6&7).

Servicing of Mechanical Face Seal Assembly.

Servicing of Journal Spring Assembly.

Servicing of Journal Stop Bolt Assembly.

Servicing of Classifier Vane Assembly.

Reconditioning of Separator Body / Journal Head, Per Mill.

Inspection of 30 ,45, 60 and 90 degree P.F.bends in the P.F.line.

Replacement/ Reconditioning of PF pipe hangers

Inspection/ replacement of lube oil pumps/couplings/mechanical seal (For UNIT -8 only)

Servicing /Replacement and alignment of Gear/Bibby couplings of unit-8

Replacement of feeder isolation gate.

Inspection / Replacement of Labringth seal assembly for unit-8 only.

Inspection / replacement of pinion shaft & bearings for XRP-903 bowl mills ofunit-8.

Clearing of accumulated coal/ash dust on mill structures, PF pipelines,bends,couplings etc., in each unit.