major overhauling of spring type gcb of cgl make of 40mva t/f-ii hv side bay at 132kv musafirkhana. work includes opening of charging motor assembly, opening & closing coil assembly, opening of holding latch, anti-pumping system, d-rusting & greasing of all these parts, checking of charging retched and adjustment of all gaps. replacement of all o-rings of gas pipe assembly of mechanism, checking of motor limit switch, auxiliary contractors, power contactors, retightening of all these connections. satisfactory operation of breaker from local as well as remote under etd, sultanpur as detailed under:- 132kv sf6 cgl make of 40mva tif-ii hv side bay