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 507 of 855

TM 9-2350-277-20-1

NO AC/DC INPUT TO ATCCS UPS POWER BOX (M1068A3 ONLY)—Continued

0100 00

2Y

1.

Remove screw (1), lockwasher (2), and ground strap W12

terminal (3) from ground lug (4). Discard lockwasher.

2.

Remove nut (5), lockwasher (6), and ground strap W12 terminal

(7) from ATCCS UPS storage box (8). Discard lockwasher.

3.

Measure resistance between terminals (3) and (7) of ground strap

W12.

4.

Does multimeter read 0 ohms?

YES

NO

2YN

1.

Replace ground strap W12

(WP 0846 00).

2.

Verify no faults found.

0100 00-4