Overhauling of Gas Booster Compressor Motor 2 BHEL Make 2555KW 6point6 KV at KGTPS Maruthur

LABOUR CHARGES: DE COUPLING OF MOTORS. Disconnection of the H.T cable from the motor terminal box, Initial alignment checking, Decoupling of the motor from the Drive, removing of motor bed bolts, lifting the motor to a convenient separate location for overhauling work.

REMOVAL OF END COVERS Removing fan cover, seal cover assembly, fan and both End covers, and threading out the rotor.

OVER HAUL & INSPECTION Inspection & cleaning of stator and Tightening of loosened fastenings of stator winding to the bondage rings and also inner coil spaces and placing the overhang portion of the winding, checking the tightness of wedges and replacing if necessary and painting the stator with Dr.Beck insulating Varnish.

OVER HAUL & FIXING OF BEARINGS Removing the NDE bearing and Drive end bearing from the capsule, cleaning & checking bearing condition and mounting of the new/old bearing into the capsule.

OVER HAUL & INSPECTION OF ROTOR Inspection and cleaning of rotor, checking the position of stampings, cleaning of corroded parts if any, inspection of winding bars soldered to end rings, cleaning of over heated or burnt plates if any, necessary painting the rotor with one coat of Dr. Bect insulated Varnish

ASSEMBLING OF MOTOR Threading in of Rotor into the stator Core pack and closing of both End covers safely.

PAINTING OF MOTOR Complete cleaning and then painting of motor with two coats of Enamel paint D.A. Grey or smoke Grey of high quality of Make Berger/Asian.

ERECTION OF MOTOR Lifting the motor to its erection in original place, Alignment, reconnection of H.T cable, trial run of the motor and its performance in decoupled condition.

ALIGNMENT & COUPLING OF MOTOR Coupling of motor with compressor in proper alignment, trial run of the motor in coupled condition and checking the performance of motor

Drive End Bearing No 6236 M/C3 (SKF Imported or Equivalent)

Consumables for the above