TM 5-6350-264-14&P-9NAVELEX EE 181-AA-OMI-100/E121 DZ-204T.O. 31S9-2FSS9-1-9Table 5-1. Troubleshooting Procedures - ContinuedTroubleProbable causeCorrective action1. (Cont)b. (Cont)Route wires through hole in rear of inner enclosure. Connectwires that run from terminal boards to conduits. Align notchon P2 with J2 and connect P2 to J2. Lock metal tabstogether and tighten collar on connector P2.c.Defectivea.Ensure that power switch S1 in Control Unit is turned off.powerSlide inner enclosure part way out. Remove screws thatswitch, S3.secure switch bracket. Lower switch bracket to gain accessto switch terminals. Ensure that power switch S3 is on. Setmulti-meter to ohms. Connect meter leads to S3-1 and 2(red wires). Note meter indication. Connect meter leads toS3-3 and 4 (black wires). Note meter indication.b.If meter indicates over 100,000 ohms, replace switch S3.(1) To remove switch S3, unscrew and remove knurled nutfrom front of switch bracket. Push switch through hole inbracket. Tag wires and use a soldering iron of 50 wattsmaximum to remove wires from switch terminals.(2) To install new switch S3, use a soldering iron of 50 wattsmaximum to connect wires to switch terminals. Insertswitch through hole in switch bracket. Place knurled nutover switch and tighten to secure switch. Place switchbracket in position inside upper left corner or innerenclosure. Insert screws through enclosure and tightento secure switch bracket. Slide inner enclosure all theway into outer enclosure.d.Defectivea.Ensure that power switch S1 in Control Unit is turned off.power trans-Disconnect negative lead from battery. Slide innerformer T1enclosure part way out. Remove screws that secure switchbracket. Lower switch bracket to gain access to terminals on5-11
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