31/MID/AN

Repairs to 40 HP 3 phase induction motor installed at LIS Trooti. The job involves disconnecting the power supply of all three phases , unfastening the foundation nuts and bolts and also decoupling from the pump. Shifting the motor from LIS to workshop with the help of manual labour & mechanical transport to the workshop . Complete dismantling of the motor, extraction of rotor . 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 and shifting back to L.I.S. 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.

Repair to 2.5 cusec discharge 26 m head H.C pump no. 02 at LIS Trooti.The job involves de-coupling of pump from the motor and removing the top cover, extraction of shaft and impeller assembly together with bearing bracket and shifting to the workshop by using manual labour and mechanical transport.. P/F of 2-No bushes as per sample. Fabrication of glands and studs with nut. Fabrication of neck rings as per sample . Re-assembling of impeller shaft assembly and shifting back to site and there after lowering at proper position, placement of oil seal and closing the top cover along with P/F of new nuts, bolts and studs coupling with motor. P/F of gland packing etc.and testing on no load. The Job includes cost of material, labour(skilled and unskilled), loading charges, hire charge of tool and tackles, to and fro carriage charges. l

R K Electrical and Engineering Works

SMART TECH AND CO