Repairing, rectification and maintenance with spares of main line hydraulic pump, hydraulic cooler, flywheel hub and sprkt assembly, primary crusher drum roll, conveyor chain drive shaft, conveyor chain tail shaft and KEN-280 GB of IR FB at SDOCM

Amount

Part A: Main Line Hydraulic Pump Assembly

Complete repairing & full overhauling of conveyor chain drive main line hydraulic pump assembly with changing & repairing its attachment.

Part B: Hydraulic Cooler Radiator Assembly

Hydraulic cooler radiator assembly complete dismantling, up & down tank cutting, complete washing & cleaning in side by oil and outside washing by water and after cleaning up & down tank re-soldering by ranga stick and re- assembling with machine of I.R make F/B at site.

Part C: Flywheel, Hub & Sprocket Assembly

Flywheel complete assembly dismantling and after repairing and rectification work re-assembling, setting alignment and full tightening.

Flywheel sprocket body oversize tapping by hand operated high speed tape due to hard metal.

Flywheel sprocket body oversize drilling for o/s bolting.

Oversize H.T. Bolt with spring washer for bolting of Flywheel sprocket hub.

H.D. Plane washer for above.

Flywheel sprocket hub and cover plate damaged and worn-out shear pin holes repairing by steel welding and round shaping by grinding & sizing as per shear pin.

Fly wheel hub outer diameter damaged & worn out teeth’s re-buildup by hardness metal steel electrodes and shaping, sizing by hand grinding machine as required of flywheel sprocket teeth’s matching

Triplex chain sprocket outer diameter damaged & worn out teeth’s re-buildup by hardness metal steel electrodes and shaping, sizing by hand grinding machine as required of triplex chain link matching

Part D: Primary Crusher Drum Roll Assembly

Dismantling of crusher drum C.R. wall tana rods, support plates, bearing blocks, dust triple seals, side plate, C.R. Wall cover, block bolts, drive end motor, main drive gear box complete assembly for removing & shifting of drum roll for changing of damaged bearings with the help of gas cutting, welding pulling, pushing with at site.

Lifting of crusher roll (weight 5.5MT) manually with the help of Hydraulic Jacks, Screw Jacks system & providing proper supporting for drawing out the damaged bearing, sleeves.

Damaged & broken DE & NDE main bearing removing by pulling with the help of gas cutting.

Drum roll shaft damaged and worn-out bearing seat repairing by Full round metal filling by steel welding method & roundness Grinding & shaping as required and polishing by failing & amri Paper with the help of flexible grinding machine at site.

C.S. triple seal repairing by its I.D full round welding and machining, groove cutting as per drum roll shaft size for dust sealing of bearings.

U/S bearing sleeve new making with check nut and lock washer for above 23048K bearing size in degree shape.

Bearing adjusting cut ring new making for 23048K bearing & block.

DE & NDE bearings fitting and setting in shaft at site with misalign drum roll re-alignment & balancing by water level as required including setting dust triple seal of bearings at the time of fixing drum roll.

Bearing block lower and upper body bearing seat and dust triple seal seat shaping & cheeps cleaning by grinding as required and its greasing point checking, cleaning, tapping, grooving.

Both end main triple seal, drum roll shaft cleaning and after repairing greasing of bearings.

Re-assembling of bearing blocks, side cover, top cover, support plates, tana rods, main drive gear box, drive motor, block bolts, nuts bolts gear box & motor stopper with the help of gas set, cutting equipment, welding arrangmentat site

Trail run testing & proper checking.

Part E: Conveyor Chain Drive Shaft Assembly

Dismantling of all components from drive shaft assembly complete in part-part for rectification & repairing.

EN-24 steel shaft new making and size with bearings & sprocket seats, key ways.

Repairing of bearing block sealing collar seat by grinding & shaping.

Bearing block dust seal new making & changing for dust sealing.

Bearing distance cut ring new making as required size for adjusting of bearing.

Key new making for “12T” sprocket & duplex sprocket

Double row roller bearing No-23220K new provide & fixing.

Sleeve with check nut & lock washer new provide & changing for bearing.

Both end bearing greasing.

Re-assembling all components of drive shaft as “12T” & duplex chain sprockets by hydraulic press machine & setting of bearings, blocks,

Drive shaft assembly setting, commissioning with crusher body & trail run testing at siding F/B site with the help of gas cutting & welding.

Part F: Chain Conveyor Tail End Shaft Assembly

Dismantling of all components from tail end assembly as “9 teeth” sprockets- 2nos & bearings with sleeves, blocks, dust seals.

EN-24 steel shaft new making and size with bearings & sprocket seats, key ways.

Sealing collar new making & changing of bearing blocks for dust seal of b/s- 2x2 =

Double row roller bearing No-23220K new provide & fixing.

Bearing distance cut ring new making as required size for adjusting of bearings.

Both end bearings greasing.

Repairing of bearing block sealing collar seat by grinding & shaping.

Tail End sprocket damaged & worn-out tooth’s repairing by its height increasing, width increasing, hard facing & also sizing as per required of conveyor chain links

Re- assembling all components of Tail End as 9 teeth sprocket by hydraulic press machine & setting of bearing, sleeves & blocks.

Tail End shaft assembly setting, commissioning with crusher body & trail run testing at siding F/B site with the help of gas cutting & welding.

Part G: Gear Box KEN-280, Flender Ltd, Sl.No-0134.5011-011-2, Input-1450RPM, Output-151.9RPM

KEN-280, Flender ltd make gear box complete assembly dismantling with the help of pullers & hydraulic jacks part by part.

Gear box all pinions, bearings, bodies, covers complete cleaning & washing for complete checking.

Gear box lower & upper body damaged and worn-out both end bearing seat of input shaft repairing works by C.I metal filling by welding method & grinding and shaping as per bearing size.

Input shaft Roller Bearing no- 31315 new provide for above.

Input shaft D/R Bearing NU2316E.M1 new provide.

Gear box output damaged & worn-out bearing seat, pinion seat & sprocket seat metal filling by welding method. Machining work as per required size. Damaged Drive pinion & sprocket key slot welding, machining and new key slot making in other side.

Input shaft oil seal new providing & fixing.

Output shaft oil seal new providing & fixing.

Gear box repair kit like as ‘O’ ring, gasket packing, lock, body threads cleaning, surface polishing, bolts, nuts etc.

Complete gear box assembly all pinions re-fitting, assembling, tightening, bearing setting, pinions matching & commissioning.

Total impact of GST for the purpose of CTC

M/s S D Sales Corporation

WELDOLLOYS