TM-9-2350-277-20-1

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 6

TM-9-2350-277-20-1 - Page 669 of 855

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 insulating tape.

4.

Measure resistance between plug W1 P1 (6), socket

X (7) and Y (8).

5.

Does MSD read infinity?

YN

GO TO

CY

(PAGE 0142 00-4)

2Y

1.

Faulty MSD.

2.

Notify supervisor.

014200-2

Change 5