TTPS-ECHP-II- Complete overhauling of 6.6KV HT motors of GEC BHEL make having the capacities of 160KW, 416 KW, 436 KW, 604KW, 188 KW in Conveyor-68B, 69B, 70A,71A,72B 73B

Cost of materials for complete overhauling of motor including dismantling, cleaning of the stator coils, checking the tightness of the stator wedges and applying one coat of insulating varnish, replacement of both DE and NDE bearings and assembling. Requirement of materials: 1.Dr. Beck Insulation varnish – 2 Litres2.Epoxy Thinner – 1.5 Litres3.Enamel Grey Paint - 1 Litre4.Petrol - 1 Litre5.Kerosene - 1 Litre6.Epoxy tapper toxolite – 1 No. 7.Epoxy tapper liner – 1 No8.Fiber glass tape roll – 1 No. 9.Mica tape roll – 1 No. 10.Kada cloth, cotton waste, etc., - L.S

Charges for disconnection of 6.6 KV power cable of existing motor and reconnection of 6.6 KV power cable in the same motor (after overhauling).

Charges for removing conveyor motor bed bolts and nuts. Arranging chain block. Releasing the motor with fluid coupling from gearbox. Removing fluid coupling from the motor shaft using puller.

Releasing the fan & end cover, threading out the rotor for inspection, thorough cleaning of stator and rotor.

Checking the tightening of all the loose wedges, replacement of damaged toxolite strip and wedges, drying out stator and pre-heating, spraying one coat of Dr.Beck’s protective enamel and packing the same.

Cleaning the cooler, cooler tubes with compressor air, checking of bearings and replacing if necessary (Bearing will be supplied by Board).

Assembling of the motor and threading in of the rotor, assembling of bearings, cooler fan, cooler and end cover after overhauling.

Charges for painting of motor with two coat of enamel Grey paint.

Charges for assembling the fluid coupling in the new motor shaft, lifting, positioning the motor with gear box, checking and correcting alignment of motor and gear box. Motor bed bold tightening. Filling fluid coupling oil to the required level and conducting trial run.

Charges for alignment of motor with gear box and checking the trial run.

Reconditioning of worn out bearing housing if needed. Charges for loading and unloading the HT motor by the contractor vehicle at TTPS to Workshop and back to TTPS.

Charges for transporting the motor from TTPS to workshop and transporting the motor back to TTPS.

Charges for machining the wornout area of the bearing housing.

Charges for fabrication and fixing of new sleeve in the bearing housing and necessary locking arrangements.

Charges for machining the bearing housing (after providing new sleeve) to suit the bearing.

BLUE MOUNTAIN (BID ID -1279357)