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 action1. (Cont)f.(Cont)l.If meter indicates less than 2, 000 ohmsin SECURE and more than 100, 000ohms in ACCESS, and if there is a jumperwire from S3, terminal 3-1 to terminal3-3, replace mode switch S3.m.If meter indicates more than 100, 000ohms with mode switch in SECURE,connect meter leads to S3, terminals3-4 and 3-3, and then terminals 3-4and 3-1.n.If meter indicates more than 100, 000ohms, replace mode switch S3.(1) To remove mode switch, removelarge hex nut that secures switchmounting bracket to inside of CUdoor. Remove switch and mount-ing bracket together. Be carefulnot to lose switch arm because itis not secured to switch shaft.Remove spacer and lock fromdoor so no items will be lost. Re-move small hex nut and lock wash-er that secures mounting bracketand switch stop to switch shaft.Remove mounting bracket andswitch stop. Note that modeswitch is a three deck switch. Tagwires and use a soldering iron of50 watts maximum to removethem from switch terminals.(2) To install new mode switch, usea soldering iron of 50 watts maxi-mum to connect wires to switchterminals. Slip mounting bracketand switch stop over switch shaft.Ensure that notch in mountingbracket fits over tab on switchbody, and that the tang on switchstop engages notch in mountingbracket. Secure bracket and stopto switch with lock washer andsmall hex nut. Insert lock throughhole in CU door; slip spacer over5-32
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