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 556 of 855

TM 9-2350-277-20-1

NO POWER TO AC CIRCUITS (M1068A3 ONLY)—Continued

0107 00

Y

1.

Measure resistance of circuit 18B between reversing contactor

reverse terminal T2 (1) and terminal block E3 terminal 1 (2).

2.

Measure resistance of circuit 18A between terminal T2 (1) and

forward terminal T2 (3).

3.

Does multimeter read 0 ohms for both readings?

YES

NO

YN

1.

Faulty lead 18A and/or lead 18B.

Beyond unit maintenance repair.

2.

Notify supervisor.

0107 00-3