annual maintenance contract for chp electrical , mant of motor/dynodrive upto 3 . 7 kw , mant of motor/dynodrive 3 . 7kw to 30kw , maint of ht breaker , maint of lt breaker , maint of power module , maint of pf/tripper , maint of sump pump/hoist motors , panels . . , maint of ecp/dcdb/pdb/ldb , maint of ht board , maint of lt board , toping/replacement of oil in cbms , maint of pull chord , speed switches , maint of slip rings of trippers/pf/s&r , greasing of motors , coupling/decoupling of motors/dynodrive , cable connection / dis-connection of con , cable connection / dis-connection of pow , defect rectification of ht breakers , defect rectification of lt breakers , maintenance of mccb/ isolator , maintenance of auxiliary contactor , maintenance of power contactors . , maintenance/fixing of limit switches . , checking& defect rectification of solen , defect rectification of indication lamp , , defect rectification of braking system i , isolation and normalisation of ht breake , isolation and normalisation of lt breake , isolation and normalisation of lt module , switching on and off of lighting system . , attending minor breakdown in illuminatio , fixing and removal of temporary lights d , checking & replacement of power/control , resetting pull cord/zss/o/l relay/lock o , fault diagnosis & rectification of defec , maintaining log book/history/checklist o , replacement of defective breakers with s , maintenance of closing/tripping coils , testing & defect rectification of siren , providing temporary power supply for mai , repair/preventive maintenance assistance , repair/preventive maintenance assistance , maintenance assistance for vcb/acb , maintenance assistance for power modules , maintenance assistance for plough feeder , maintenance assistance for sump pump mot , maintenance assistance for control desk/ , maintenance assistance for ht sw board / , maintenance assistance for t/h mcc/bf mc , equipment health monitoring and maintena , dismantling , shifting of motors up to 3 . , dismantling , shifting of motors above 3 . 7 , overhauling of motors up to 3 . 7kw . , overhauling of motors above 3 . 7kw and up , shifting to site , erection and commissio , shifting to site , erection and commissio , dismantling & shifting of dynodrive to w , overhauling of dynodrive upto 30 kw , shifting to site , erection and commissio , overhauling of actuator , welding works , cutting works . , cleaning of cable trays . , cleaning of cable trench . , cleaning of mcc room , store&workshop