MID/AN/2

Repair to 40 HP three phase induction motor no. 01 at LIS Mukeri. The job involves decoupling the motor from the HC pump and unfastening the foundation nuts and bolts by using suitable tools and tackles and labour . Lifting the motor out of pump house to the roadside by using manual labour. Loading the motor in the vehicle and shifting the motor to the workshop . Unloading of the motor in the workshop .The job further involves dismantling of end covers, extraction of rotor from motor. Extraction of damaged winding from the stator. Cleaning of stator with compressed air and requisite chemical cleanser/CCL4. Complete rewinding by way of providing and fitting of new good quality winding wire of gauge and size (as per old sample) in the stator together with replacement of damaged /worn out wedges/strips and p/f of f-class insulation, Application of superior quality varnish (Red Becktol etc.) by spray impregnation process and drying the stator winding with hot air circulation process and thereafter checking the IR value. Re-assembling the motor after greasing. Shifting the motor to LIS . Installation of the motor over the base frame by providing / fitting of nut bolts, washers etc., making of electrical connections, replacing worn out nuts, bolts for the electrical connection. Alignment & coupling with pump .Complete testing of the pumping unit. Job includes cost of all material, transportation charges, head load and labour charges for skilled / semi skilled labour, hire charges for tools & tackles at the LIS. Complete Job

Repairs to 2.5 cusec discharge 30m head horizontal centrifugal pump no . 01 installed at LIS Mukeri . The job involves de-coupling of pump from the motor and removing top cover of the HC pump, extracting the internal impeller assembly together with bearing brackets and shifting the pump by head load to the road side and then loading in the vehicle and shifting to workshop. Complete dismantling of the impeller assembly in the workshop. Rebuilding of impeller by using good quality electrodes. Turning/machining of rebuild impeller on lathe machine for proper size. P/F of 1-No bushes as per sample. Greasing of all the parts . Re-assembling of impeller shaft assembly & shifting back to L.I.S . 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. Providing / fitting of gland packing, greasing work . Providing/fitting of coupling pulley as per sample along with nuts & bolts 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, out station charges etc.Complete Job

Repairs to Sluice Valve ( 150 mm dia) of pumping unit no. 02 installed at LIS Mukeri. The job involves dismantling of sluice valve from its installed position by way of unfastening/cutting of all rusted nut & bolts with the help of gas cutter/suitable tools &tackles and shifting to workshop. Complete dismantling of sluice valve. Extraction of stem rod with nuts and flap. Fabrication of new stem rod as per the size of the old stem rod. Fabrication of new nut as per sample. Complete assembling of sluice valve and providing of new gland and rubber packing .Shifting of valve to the site of LIS and fitting by P/F of new nut, bolt and washer replacing all worn out nuts/ bolts. Testing and commissioning. Complete job includes the cost of material, labour and transportation charges to and from the LIS.Complete Job

Repairs to 06 cusec discharge 36m head horizontal centrifugal pump no . 02 installed at LIS Nazlachak. The job involves de-coupling of pump from the motor and removing top cover of the HC pump, extracting the internal impeller assembly together with bearing brackets and shifting the same to workshop by using mechanical transport. Complete dismantling of the impeller assembly in the workshop. Rebuilding of impeller by using good quality electrodes. Turning/machining of rebuild impeller on lathe machine for proper size . Repairs to shaft at damaged spots by applying new material so the shaft should be balanced then finishing to proper size. P/F of 2-No bushes & 2-No bearings (6309). Greasing of all the parts . Re-assembling of impeller shaft assembly & shifting back to L.I.S. 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. Providing / fitting of gland packing, greasing work . 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, out station charges etc. Complete Job

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

G S ENGINEERING WORKS