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 272 of 855

TM 9-2350-277-20-1

RADIO(S) DON’T WORK

0044 00

INITIAL SETUP:

Maintenance Level

Unit

Tools and Special Tools

General Mechanic’s Tool Kit (WP 0926 00, Item 65)

Personnel Required

Mechanic

Helper (H)

Equipment Condition

Engine stopped (TM 9-2350-277-10)

Carrier blocked (TM 9-2350-277-10)

NOTE

T

1.

Remove radio plug (1) from harness 12349859-1 (left radios) or

harness 12349859-2 (right radios) jack (2) or (3).

2.

Measure voltage between harness 12349859-1 jack (2) (front)

or -2 (3) (rear) pins A and B.

3.

Does MSD read less than 17 volts?

TN

1.

Faulty radio. Beyond unit

maintenance repair.

2.

Notify supervisor.

Y

1.

Perform MSD/ICE test 67 battery voltage (WP 0124 00).

2.

Does MSD read less than 17 volts?

YN

1.

Replace harness 12349859-1

(WP 0369 00) or -2 (WP 0370 00).

2.

Verify no faults found.

2Y

1.

Service carrier batteries. See TM 9-2350-277-10.

2.

Verify no faults found.

Change 5

Location varies by model.

0044 00-1/2 blank