KMC/S_D/KGPS-37/24-25

Amount

Disconnection of power and control cable from motor control panel box by providing skilled electrician and keep it in suitable position without damaging it.

Lifting the pump from the sump chamber with the help of special lifting arrangement and placed in a workable position at site.

Lifting the motor top cover , removal of power and control cable with proper marking from the motor housing using special tools & tackles etc. by engaging skilled electrician and in presence & direction of EIC including cleaning of whole pump motor set and keeping in it safe side .

Dismantling the diffuser, bellmouth , impeller top cover of the pump motor with special fabricated tool and keep them at suitable place.

Removal of mechanical seals and bearings with help of special arrangements.

Dismantling the motor by separation of stator and rotor carefully without damaging the both and all the rotating components to be placed on the wooden block separately in the working place.

The rotor unit with shaft assembly of the said motor should be placed on the wooden block and thorough cleaning, drying, de-rusting should be done.

After thorough cleaning of the rotor by proper heating, final cleaning to be done by CTC. The rotor to be varnished by Dr. Beck's make varnish after heat run.

Trueness of the rotor shaft to be checked and rotor to be dynamically balance & certificate to be submitted.

Taking out the entire stamping core from the stator with proper care without damaging any core sheets. All the core sheets should be cleaned properly and to be re-fitted inside the body by means of hydraulic pressure and to be re-staged by maintaining the slot portion in a straight line and finally the stamping core to be varnished.

The stator slots to be molded with epoxy resin bended glass mica class 'F' grade sheet under pressure after making proper molding vice as per slot dimension.

Complete re-winding of the stator with new conductor as per original shape and size with class F insulation. Winding to be baked up to proper temperature, varnish and cured properly. Coil testing & high voltage testing of the stator to be done as per instruction of EIC.

Thorough repairing & re-conditioning of existing upper & lower mechanical seal faces of wilo make pump motor set (110 mm, SiC vs SiC) using proper method , including replacement of necessary rubber rings and fixing the same .

Thorough cleaning , checking & re greasing of DE & NDE side bearings and fixing the same.

Metalizing of bearing housing cover both side (DE &NDE) , machining the same & match both bearing housing to its normal condition. .

Re brazing of both end rotor joints with end rings.

Metalizing of rotor shaft jounal both side (DE &NDE) & machining the same & match with bearing bore.

Thorough checking , cleaning , repairing & balancing of the impellar as required and fitting the same .

Thorough checking , cleaning & repairing of both diffuser and bellmouth as required & applying anti corrosive coat .

Thorough check up of power & control cable including neccesary repairing work for submersible use .

Supplying of all necessary rubber rings , gaskets , nuts , bolts , washers , high temperature grease, specific grade oil , sealing compound , gland sealing compounds for cable etc as required.

Testing with nitrogen for motor sealing, testing of leakages through mechanical seal chamber with compressed air, electrical high pressure testing , winding resistance test , inductance test , polarity test , IR test etc. including all other required test of the pump motor set to be done as per instruction by EIC.

Assembly of rotor into stator complete in all respect carefully without damaging any accessories both of stator and rotor and with special tools & tackles and arrangement.

All the incoming leads should be re tapped , re insulated and re fiixng in the terminal in proper sequence by providing skilled electrician.

Lower down the pump motor set after complete assembling into the column pipe, checking the alignment of the pump, realign the power & control cable and connecting the power and control cable to motor control panel and trial run should be done in presence of EIC.

Transportation of pump motor set from pumping station to party's work shop and back the same including loading and unloading by providing necessary tools and tackles etc.

R D ENTERPRISE (BID ID -5733385)

STAR ENTERPRISE (BID ID -5735569)