Repair and maintenance with spares of hydraulic staffa gear motor,conv. chain drive shaft,Main line Hydraulic pump,PX-160 tyre coupling set, primary drum roll and tail end assemblies of I.R. make Feeder Breaker (Machine No-01) installed at Tarmi sdg

Amount

Part-A (Repairing of hydraulic staffa gear motor assembly as standby-02nos)

Dismantling of staffa hydraulic motor assembly & cleaning of its internal components.

Replacement of repair seal kit with material.

Repairing of crank shaft front & rear both bearing seats

Changing of valve spool

Changing of shim kit.

Replacement of bearings front & rear

Repairing of mounting kit.

Staffa Body holes threading by tapping & H.T Allen bolts new provide & fixing with spring washer.

Re- assembling, timing setting, commissioning & testing.

Part-B (Repairing of conveyor chain Drive shaft assembly as standby.)

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,

Part-C (Repairing of Main Line Hydraulic Pump assembly as standby)

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

Part-D (Making/providing PX-160 Tyre coupling set as standby)

C.I Casting for fabrication of a pair of PX-160 size tyre coupling set, machining, grooving, drilling for bolt and nut, boring, key way cutting as per sample and dimension for Motor & Gear box of crusher drum roll assembly including providing PX-160 tyre respectively.

Part-E (Repairing & maintenance of 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.

Double Row Roller Bearing 23048K.MB.C3 new providing for drive end side.

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 arrangement at site

Trail run testing & proper checking.

Part-F (Repairing of Chain Conveyor Tail End shaft assembly as standby.)

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.

New provided “9” teeth sprocket fine cut boring and key way depth making.

Heavy duty key new making for above sprocket

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.

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

Tail End side Grease Cylinder assembly complete dismantling, full overhauling, cleaning, shaft alignment checking, straightening, polishing, repair seal kit new provide & fixing, re-assembling.

Tail End point grease Hose pipe assembly size- 3mtr x 3/8” R2 new provide & fixing.

Total impact of GST for the purpose of CTC

M/S KULDEEP ENGINEERING WORKS (BID ID -1131693)