TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download

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TM 9-2350-277-20-1 DCA CURRENT SHUNT DIAGNOSTIC TROUBLESHOOTING—Continued 0142 00 Y 1. Remove shunt guard (1) with attached lead. 2. Remove screw (2), lockwasher (3), and harness 12354593 circuit 780 terminal lead E1 (4) from current shunt 1228937(5). 3. Wrap terminal lead E1 (4) with electrical tape. 4. Measure resistance between plug W1 P1 (6), socket X (7) and Y (8). 5. Does VTM read infinity? YES NO GO TO CY (PAGE 0142 00-4) 2Y 1. Faulty VTM. 2. Notify supervisor. 0142 00-2