TM5-6115-593-34NAVFAC P-8-631-34TO-35C2-3-463-2(a)Remove and tag generator outputleads and pass them through theassociated current transformers,freeing the current transformer forremoval.NOTECount number of turns of each output lead ineach current transformer.(b)Current transformers (7 and 8)may be removed by firstdisconnecting and tagging wires,then removing screws (17) andwashers (18 and 19) or screws (1)and washers (2 and 3).(c)Current transformer (16) may bedisassembled by removing screws(13), washers (14), and nuts (15) toseparate brackets (20) and rubberpads (21). Remove currenttransformer (16) and terminalblock (12) attached to bracket withscrews (10) and nuts (11).(d)Current transformers (7 and 8)may be disassembled by removingscrews (4), washers (5), and nuts(6) to separate brackets (9).Remove current transformer (7and 8).(2)Installation.(a)Install current transformers (7 and8) by first replacing brackets (9)with screws (1) and washers (2 and3).(b)Secure current transformers (7 and8) in brackets (9) with screws (4),lockwashers (5) and nuts (6).(c)Assemble current transformer (16)with new rubber pads (21),brackets (20), screws (13),lockwashers (14) and nuts (15).Attach terminal block (12) withscrews (10) and nuts (11).(d)Secure current transformerassembly to panel (22) withlockwashers (19), washers (18),and screws (17).(e)Refer to FO-10, Operator andOrganizational Maintenancemanual and reconnect generatoroutput leads after passing themthrough the associated currenttransformers. Remove tags.11-5. GENERATOR.a.Test. Start and operate the generator set.Check voltage, current, and frequency outputsas indicated in Chapter 2 of the Operator/Crewand Organizational Maintenance manual. Foran overall operational test of the generator,with specific testing condition, test setup, etc.,refer to Chapter 16 of this manual.WARNINGBEFORE TURNING OFF GENERATOR SET,ENGAGE MAINTENANCE LOCKOUT SWITCH.DISCONNECT AND ISOLATE ELECTRICALLEADS.(1)Insulation Resistance. To test insulationresistance, use a megohmmeter tomeasure the resistance between awinding and ground. The insulationresistance of each of the windings shouldbe at least 1 megohm at 77°F (25°C). Ifthis value is not met, clean or dry out thewinding and repeat the test. Replace ifdefective.11-7
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