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 456 of 855

TM 9-2350-277-20-1

POWER CONTROL ENCLOSURE A1 DC INPUT/OUTPUT INOPERATIVE (M1068A3

ONLY)—Continued

0090 00

A2Y

1.

Set MASTER SWITCH to OFF.

2.

Install cable W38 plug P7 (1) on Power Control Enclosure jack

J28 (2).

3.

Remove ten screws (3) and lockwashers (4), and lower faceplate

(5). Discard lockwashers.

4.

Set MASTER SWITCH to ON.

5.

Measure voltage between terminal X1 (6) of relay K6 (7) and

ground.

6.

Does multimeter read 22 volts DC or more?

YES

NO

A2YN

1.

Replace circuit 44A lead

(WP 0829 00).

2.

Verify no faults found.

0090 00-7