nsry/l/0001/20 miscellaneous switchboard routines on board one large vessel during refit at nsry ( kar ) , hf switch board ( 5j16 and 6s8 ) - lubricate selector switches and spindles . , manufacture and refit tally plates which have deteriorated , inspect swbd cables/wiring , lugs and connectors and other components . examine for deterioration/damage . repair damaged insulation and re-crimp lugs , remove panels , instruments/meters to shop floor for calibration . , repair/replace bus bars insulators if necessary , repair/replace all defective cables , wirings , lugs and termination ( ss to carry out cable survey and forward report to dockyard ) , carry out calibration of measuring instruments/meters . , carry out calibration of relays and pcbs for protection and trips . replace components if required . , examine actuating mechanism and condition of contacts . carry out repairs/cleaning/lubrication of all mechanical parts and contacts and check for satisfactory operation . , rack out all circuit breakers . remove the sheet steel front cover , arc barrier and arc chutes , examine the condition of the following components for general deterioration ( a ) closing contactors ( b ) anti pumping relay/charging mechanism ( c ) delay relay ( d ) overload ( e ) under voltage relay ( f ) auxiliary switch contacts , switchboard eps 1 , 2 , 3 , 4 -carry out calibration of protection circuit relays/ gsks and subsequently carryout protection circuit checks onboard ( over voltage , under voltage , reverse power and over speed ) during load trials of das/ tas/ gtgs/ dgs of ships . , carry out all sr routines as per maintops . , switchboard eps 5 - carry out calibration of all protection circuit relays/ gsks and subsequently carryout protection circuit checks onboard ( over voltage , under voltage , reverse power and over speed ) during load trials of das/ tas/ gtgs/ dgs of ships . , carry out all sr routines as per maintops . , terek-pgd monitoring system - check wiring/contacts of the panels for wear/deterioration . carry out renewal/replacement , if necessary . , switchboard 1 , 2 , 3 , 4 , 5 - calibrate panel instruments/ meters . , switchboard 1 , 2 , 3 , 4 , 5 and jumper switchboard - carry out following routines on all switchboard and busbars . ( a ) inspect lugs/ connectors/ ct/ pt and other components and undertake repair deterioration/ damage of msb cables/ wiring as necessary . ( b ) repair/ replace bus bars insulators if necessary ( c ) clean and decarbonize the busbars . ( d ) carryout functional checks of msb and paralleling trials with all combinations of generator supply . , switchboard 1 , 2 , 3 , 4 - serviceability checks/repair of tg/dg governer control switch in terek panel to be undertaken . , switchboard 1 , 2 , 3 , 4 - insulation checks device and selector switch to be repaired/replaced .