TM 5-6350-264-14&P-10NAVELEX EE 181-AA-OMI-110/E121 C-9412T.O. 31S9-2FSS9-1-10Table 5-2. Troubleshooting Procedures - ContinuedTroubleProbable causeCorrective action2.(Cont)d. (Cont)(1)If meter indication is correct, installnew PC board A8.(2)To install new PC board A8, turn offswitch S1 on top of power supply,turn board so plastic ejector is to-ward top. Align board with guidesat top and bottom of status proces-sor. Slide board straight in until itcontacts receptacle at back of pro-cessor. Then press firmly on boarduntil it seats completely in recepta-cle.(3)Turn on switch S1 on power supply.Depress TRANSMITTER RESYNCswitch S2. Wait about 5 minutesfor system to stabilize. Turn modeswitch to TEST/RESET and then toSECURE.g.If meter does not indicate 18.5 to 21 vdc atJ8-16, connect positive meter lead tomode switch S3, terminal 2-1, and neg-ative meter lead to chassis. Metershould indicate 20 ±1 vdc.h.If meter indicates 0 v, connect positive leadto S3, terminal 2-4, but not at 2-1.i.If meter indicates 20 +1 vdc, replace modeswitch S3.(1)To remove mode switch, turn offswitch S1 on top of power supply.Remove large hex nut that securesswitch mounting bracket to insideof CU door. Remove switch andmounting bracket together. Becareful not to lose switch arm be-cause it is not secured to switchshaft. Remove spacer and lockfrom door so no items will be lost.Remove small hex nut and lockwasher that secures mountingbracket and switch stop to switchshaft. Remove mounting bracket5-44
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