EE/GRWW/PH-IV/46/2025-26

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MAINTENANCE AND OVERHAULING OF CENTRIFUGAL PUMP AS PER MANUFACTURERS INSTRUCTION MANUAL WITH ALL TOOLS, TACKLES ETC. THIS JOB INCLUDES LABOUR CHARGES, CONSUMABLES LIKE O-RING, GLAND PACKING, SUNDRY CLEANING MATERIAL ETC. THIS JOB INCLUDES DISMANTLING OF ALL SUB ASSEMBLIES SUCH AS COOLING PIPES, BEARING HOUSING, STUFFING BOX, SHAFTS, BOWL ASSEMBLY, BELL MOUTH, STRAINER ETC. RECONDITIONING OF ALL PARTS, INSPECTION OF ALL PARTS & REPLACE THESE PARTS AS PER INSTRUCTIONS (SPARES COST EXCLUDED) STRAIGHTHENING OF SHAFTS & REFITTING OF ALL PARTS & SUB ASSEMBLIES WITH PROPER ALIGNMENT. INCLUDING MOTOR REMOVING & REFIXING, TEST & TRIAL FOR 24 HRS. ETC. COMPLETE. II) CAPACITY ABOVE 2 CUSEC AND UPTO 5 CUSEC PUMP

Supply and delivery of the following bearing ( SKF make).6310-2RS1/C3

SERVICING AND MAINTENENCE OF HT/LT MOTORS 5.3 J 2 : PRELIMINARY CHECKING OF THE WHOLE MOTOR (LT SQ. CAGE IM) AND TESTING OF I.R. VALUE, LOAD CURRENT, LEAKAGE FACTOR OF STATOR & ROTOR, TERMINAL LEAD JOINT OF STATOR CONNECTION ENDS, INSULATION OF GLASS FIBRE TERMINAL BAR, DOUBLE CAGE ROTOR & RINGS AND ALL OF MOTOR BARS AND BAR JOINTS, HOUSING OF D.E. & NDE SHEILD BEARING HOUSING ETC. BEFORE WORK TO DETECT FAULT.

SERVICING AND MAINTENENCE OF HT/LT MOTORS 5.3 J 3 : COMPLETE SERVICING AND HEAT VARNISHING OF 415 VOLT, 3 PHASE LT SQ. CAGE INDUCTION MOTOR AFTER CLEANING THE STATOR AND HEATING IT UP PERIODICALLY AND VARNISHING BY DR. BECK'S GRADED INSULATING VARNISH TO OBTAIN STABLE IR VALUE, CLEANING UP THE ROTOR, INCLUDING HEAING FOR DEMOISTURISATION, LACKER COATING ON THE SURFACE OF ROTOR STAMPINGS, CLEANING AND RO PRIMING ON THE END SHIELD COVERS, BEARING HOUSING AND COMPLETE THE NECESSARY REPAIRING WORKS AS PER DIRECTION OF E.I.C. 5.3 J.3.2. ABOVE 75 KW UPTO 180KW LT SQ. CAGE IM.

SERVICING AND MAINTENENCE OF HT/LTMOTORS5.3 J.5: FINISHING THE END OF TERMINAL LEADS BY S & F DOWELLS COPPER SOCKETS PROPERLY SUPPLYING TAPES, PETROLLIUM JELLY ETC. 6 NOS. 5.3 J.5.2 : ABOVE 75 KW UPTO 180KW LT SQ. CAGE IM.

SERVICING AND MAINTENENCE OF HT/LT MOTORS 5.3 J.6 : COST OF MECHANICAL WORK VIZ. SHAFT TRUNESS, CHECKING KEY WAY LOOPING OF HOLES GRINDING AND POLISHING ETC.. 5.3 J.6.2 : ABOVE 75 KW UPTO 180KW LT SQ. CAGE IM.

SERVICING AND MAINTENENCE OF HT/LT MOTORS 5.3 J.8: REFITTING THE PUMP MOTOR (LT SQ. CAGE IM) SET WITH ALL ITS NECESSARY COUPLING AND ACCESSORIES TO ITS ORIGINAL POSITION INCLUDING FITTING FIXING WITH BEARIING HOUSING NON-REVERSIBLE RACHET UNIT AND PUMP SHAFT WITH PROPER TOLLERANCE AND CLEARANCEAND RECONNECTION OF TERMINAL POINTS THE OVERHAULING WORK I.E. CLEANING OF CONTACTS SLIPING ETC. (ALL CONNECTION STRIPS, CABLE END ARE TO BE REFITTED IN PROPER WAY INCLUDING GOOD DAMAGES OF STRIP TERMINALS) AND SATISFACTORY 2 HOURS TRIAL RUN OF THE PUMPS AS PER DIRECTION OF E.I.C. FOR ALL PUMPING STATIONS.

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