We provide Tender Bidding Support for Repairing and rewinding of transformer cooling fans having rating 3- phase, 220 V AC ,50 HZ 2.5 KW ,1440 rpm provided for 63 MVA T/F-1 (M/S ECE MAKE) Rewinding of fan with super enamelled copper wire of class-8 insulator varnish, replacement of both side ball-bearing, cock seal etc whatsoever needed to complete work with satisfaction .. The work also includes opening of cooling fans from transformer radiator and re mounting at the transformer radiator after fan repair and then checking/testing at load condition for proper/smooth running