Rewiring and Repairing of Motor

Dismantling of different H.P 3 Phase 380-400 Volt 1440 RPM, 4/3 pole 50 cycles for induction motors, removing old burnt out coil from slots carefully, segregating all the parts, washing and cleaning the same thoroughly for verification of serviceable and unserviceable parts as per direction of E.I.C.(I) 17.5 H.P/ 20 H.P 3 phase induction motor.

Rewinding with approved quality Super Enamel copper winding wire of standard gauge as provided by motor manufacturer including slot insulation as per Indian Electrical Rules, shouldering the cable joints properly, taping with 660 V. Grade water proof tape, making new loop terminals heating and varnishing with 'E' class golden varnish (Johnson & Nicholson make) so as to develop original rated rpm, supplying all necessary materials as mentioned above and reassembling the motor.(b) 17.5 H.P /20H.P 3phase ,415 volts,50 Hz ,2/4 pope induction motor. Supply of super enamelled dual coated copper wire conforming IS 13730, 1996, part 13 (18 swg to 22 swg) Required max. weight of super enamelled copper wire is given below: 1)Elmech / G.E.C(New) / Crompton / N.E.C / Kirloskar (New) -- 10.2kgs(25X10.2kg)=255.00kg.

(ii) Labour charge for rewinding , soldering, heat varnishing, bearing changing, reassembling etc. including supply of all materials excluding bearing as mentioned above complete in all respect as per direction of E.I.C

Socketing with C.I. Socket at enlarged bearing housing of any type of 17.5 H.P. / 20 H.P. motor by oversizing the bearing housing by machine turning & supplying new socket of required size and fitting the same is bearing housing.

Repairing of damage motor shaft by metaling with electric welding and tuning properly to house in the bearing space and coupling side teeth and also rectifying the dynamic balance of the rotor to its original alignment to avoide any vibration. All complete as per direction of the EIC.

Supply,fitting & fixing of stud nuts, bolts for top cover and bottom cover

Painting two coats of both inner and outer portion with best quality synthetic enamel paint (To be approved before use) including smoothing surface by sand papering for removal old paint of the motor as per direction of E.I.C b) Motor

Testing of repaired motor by continuous 8 hr. running at nearest site on load after making necessary connection including fitting, fixing and shifting to and form just appeared.

Labour Charge for carriage of motor from store to workshop and back to site/store after repair including loading unloading and installation the motor on the motor base. This item is only applicable when written permission is available from E.I.C where there is no facility for such work in the Sub-Division

Deduction towords dismalted burned enamelled copper wire from induction motor on the basis of actual measurement to be retained by the agency minimum 9.2 kg per Motor(15X9.2)

Add 18% GST on every item except 1.1

Add 1% Laboue Cess on every item except 1.1

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