SE/ES/MTPS-I/EM-I/No 11/2022-23

Amount

Charges for disconnection of power cable, de-coupling of the motor from pump and checking alignment of the motor shaft with pump shaft.

Charges for removal of end covers and measuring the air gap and magnetic axis.

Charges for removal of water line pipes, cooler assembly and lifting the cooler unit to a convenient location.

Charges for removal of sleeve bearings, resting the rotor on the stator after placing rubber sheet.

Charges for removal of foundation bolts, lifting the motor to a convenient location.

OVERHAULING OF MOTOR:- a)OVERHAULING OF STATOR: charges for Inspection, cleaning and checking of stator windings, fastening of the stator winding to the end ring &also the inter coil spacers and packing in the overhang portion of the windings, tightening the wedges, spraying one coat of Dr.Beck protective enamel varnish, drying out the stator, preheating, checking the IR Value, DC resistance and Tan Delta.

b)OVERHAULING OF ROTOR: charges for Inspection, cleaning of released rotor, checking the position of stampings, cleaning of corroded parts, inspection of winding bars, cleaning of overheated and burnt places and applying one coat of Dr.Beck’s insulating varnish and drying out .

Charges for cleaning the cooler tubes, checking the coolers by hydraulic testing, reconditioning of cooler flanges, replacement of gasket etc.

Charges for checking the sleeve bearing and preparation of bearing surface and blue matching the housing. (Bearings supplied by TANGEDCO)

Charges for lifting and erection of the motor back on its bed after cleaning and checking healthiness of pedestal insulation.

Charges for assembling of sleeve bearings, checking the interference between the bearings and housing, checking the clearance between shaft and bearing.

Charges for assembling the end covers, checking air gap and magnetic axis.

Charges for lifting the cooler assembly, fixing with motor and connecting the water pipes etc.

Charges for termination of power cable, coupling the pump with motor and checking alignment of the motor shaft with pump shaft.

Charges for tightening of bed bolts, foundation bolts, checking the IR value, DC resistance and trial run the motor in decouple/ couple condition running the motor satisfactorily.

Charges for painting the motor complete surface and fan blade with 2 coats of standard Grey enamel paint . Area of 1 No. BFP HT Motor- 38 M2

Smoke Grey enamel paint

Dr.Beck Varnish

Thinner

Cost of consumables cotton waste Glue, Dungry cloth, blue match, Namadha packing, shim, etc.