Repairing/recertification with spares of Chain conveyor drive shaft assembly, Tail End shaft assembly, Primary Crusher Drum Gear Box assembly, Flexible coupling Set with grid spring Primary crusher drum roll assembly of I.R make crusher wrt AADOCM

Amount

PART: (A) Chain Conveyor Drive Shaft assembly of I.R make F/B (zero value)

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: (B) Primary crusher drum roll assembly of I.R make Feeder Breaker(zero value)

Dismantling of crusher drum C.R. wall retaining rods, support plates, bearing blocks, dust triple seals, side plate, safety coupling, 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 skilled fitter & labor at site.

Lifting of crusher roll (weight 5.5MT) 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 filling & sand 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.

Double row roller bearing 23048K.MB.C3 new provide

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 alignment of drum roll & 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.

Crusher drum repairing by welding along the ends with metals plate of 20 mm for increasing the life of the drum.

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

Re-assembling of bearing blocks, side cover, top cover, support plates, tana rods, safety coupling, spring coupling, main drive gear box, drive motor, coupling guard, block bolts, nuts bolts gear box &, motor stopper with the help of gas Set, cutting equipment, welding m/c, skilled fitter and labour at site

Trail run testing &amp, proper checking

PART: (C) Repairing of flexible coupling Set with grid spring for drum roll.(zero value)

Crusher drum roll & drive gear box pair of flexible coupling broken & damaged grid spring slot gas cutting, slots cleaning by grinding, "V" grooving, new slot

Flexible coupling centre bushing opening with the help of hydraulic press machine and making new Gun metal bushing by raw casting of size-230mm O.D X

Provide and fixing Grid spring (20Nos of Set) for flexible coupling of crusher drum roll & drive gear box couple.

PART: (D) Gear Box assembly- FLENDER MACNEILL GEARS LTD make, Input- 1500 RPM, Output-91.4 RPM (zero value)

Gear Box assembly complete dismantling in part for repairing & rectification work

Gear box body complete cleaning and washing for throughout checking and rectification work.

Gear box input shaft tail assembly dismantling & EN-24 metal tail shaft new making with key ways & tail pinion cutting from damaged shaft & fixing in new

Gear Box Input shaft bearing cover new making with cast-steel casting, machining, drilling, seat making

Gear box all pinions one by one checking and cheeping by grinding, sizing.

Oil seal new provide for Input shaft cover.

Oil seal new provide for Output shaft cover.

Gear box cracked body portion welding with cast iron rod.

Gear box repair kit like as gasket packing, cover bolts, washers, pin, lock, threads cleaning, sheems.

Gear box assembly complete fitting, Setting, matching, pinion timing Setting. tightening and assembling.

PART: (E) Chain Conveyor Tail End shaft assembly of I.R make F/B (zero value)

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 spherical roller bearing new provide No-22317E 1K.T41A & 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 with 9 teeth sprocket by hydraulic press machine & Setting of bearing, sleeves & blocks.

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

Total impact of GST for the purpose of CTC

M/S BLUE STAR ENGINEERING WORKS (BID ID -1118554)