REPLACEMENT OF DAMAGED/NON RE-USABLE WELDED TOP COVER FROM NEW TOP COVER FOR 25 KVA, 63 KVA AND 100 KVA T/F AT WORKSHOP BHINGA, SHRAWASTI.

Amount

Handling & dragging of already dismantled transformer tank without core & coil.

Cutting the damaged edges of transformer from the top cover by gas cutter uniformly.

Griding the upper edges of transformer tank walls stone grinders.

Cutting & welding of metal steel strip of size 40X5 mm along with periphery of transformer tank.

Making welded portion of the collar (flange) smooth by grinding with fine stone grinder.

Apply metal putty under the collar (flange).

Cutting of new top cover plate of 3 mm thickness and appropriate size of different size, and shape of transformer tank and making all the surface smooth and spike less.

Making 3 mm holes on the top cover and flange uniformly at agap of approximating 9cm all over the preferring.

Providing & fixing of wind pipe U shape of dia 20 mm thickness 01 mm & length 12 inch by making hole on new top cover & fix with welding and making threads of proper size for fixing the breather.

Supplying and fixing of 3mmX40mm studs approximately 18 depending upon size and shape of the transformer tank.

Making threads at the free end of the U-Shape tube to enable to fix silica gel breather.

Bringing the de-shaped tank in to proper shape as better as possible by applying pressure and hammering..

Welding of the damaged tank and repairing/welding of damaged radiators.

Anil Kumar Yadav

Anvesh Electricals