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 547 of 855

TM 9-2350-277-20-1

NO POWER TO DC CIRCUITS (M1068A3 ONLY) — Continued

0106 00

T

1.

Remove all external power from SICPS system (see your

-10 and TM 11-7010-256-12&P).

2.

Remove 10 screws (1) and lockwashers (2), and lower faceplate

(3) of power control enclosure (4). Discard lockwashers.

3.

Remove 12 screws (5), lockwashers (6), and cover (7) from front

of power control enclosure (4). Discard lockwashers.

4.

Set MASTER SWITCH to ON (see your -10).

5.

Measure voltage between relay K6 (8) terminal 2 and power

control enclosure jack J25 (9) negative terminal.

6.

Does multimeter read 22 volts DC or more?

TN

1.

Go to Power Enclosure A1 DC

Input/Output Inoperative (M1068A3

Only) (WP 0090 00).

010600-2

Change 4