MID/AN/99

Repairs to 4.5 cusec discharge 18 m head HC pump no. 1 at LIS Kathar. The job involves decoupling of the pump from motor by unfastening the coupling nuts and bolts by using skilled technicians . The job further involves taking out impeller shaft assembly by unfastening the nuts ,bolts , studs and shifting the same to workshop by using manual labour and mechanical transport . Dismantling of the impeller shaft assembly and separating shaft, impeller and bushes. Rebuilding of shaft at damaged spots by applying new material so the shaft should be balanced then finishing to proper size .P/F of bearing (6310-1 no.) .P/F of 1-Nos. bushes as per sample. Re-assembling of impeller shaft assembly & shifting back to L.I.S. Greasing of all the parts. Fitment of impeller shaft assembly in the pump at proper position & closing the top cover by p/f of new nuts, bolts, washers and packing. Job also includes providing / fitting of gland packing , greasing work etc. Thereafter coupling with motor, alignment setting, testing of pump on load. Complete job includes the cost of material, labour charges, to and fro carriage charges, hire charges of tools and tackles etc. Complete Job

Repairs to 250mm dia reflux valve of pumping unit at LIS Kathar. The job involves dismantling of the reflux valve by way of cutting of the rusted nuts and bolts with the help of gas cutter, removing of flap. Dismantling of shaft from both sides of flap and fabrication of new shaft as per the actual size . Providing/fitting of 2 nos. ( 250mm dia) MS flanges at both ends of pipe. Fitment of reflux valve and fitting of new nuts, bolts and washer in place of worn out nuts and bolts . Testing on load. Complete job includes the cost of material, labour charges, transportation charges etc. Complete Job

Repair to 12.5 HP 3 phase induction motor installed at LIS Kharoon. The job involves dismantling the motor by unfastening the foundation nuts and bolts and also decoupling from the pump and disconnecting the electrical connections from the main supply. Shifting of the motor to workshop by mechanical transport . Then complete dismantling of the motor involves extraction of rotor from stator followed by cleaning of stator and rotor using compressed air, organic solvent, CCL4 etc. to remove the dust particles /silt etc. Extraction of burnt winding from the stator, cleaning of stator with petrol .P/F of new winding wire of suitable gauge & size in the stator, varnishing the stator winding with superior quality of varnish. Drying the stator winding with hot air circulation process.. Assembling of the motor . Shifting the motor back to LIS . Refitting the motor at its installed position and coupling with pump, making of electrical connections, alignment with pump , testing of motor on full load. Complete job includes the cost of material, labour charges, hiring charges of tools & tackles, transportation charges. Complete Job

Vaibhav Engineers and Technocrates

GEETA ENGINEERING MECH WORKS