TM-9-2350-261-20-1

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL - VOLUME 1 OF 4

TM-9-2350-261-20-1 - Page 277 of 346

3Y

1.

Turn MASTER SWITCH to OFF (see your -10).

2 .

R epair rear m ain wiring harness (

WP 0312 00)

.

3.

Verify no faults found.

AY

1.

Remove eight nuts (1), washers (2), and screws (3) from master

switch panel (4). Pull panel away from distribution box (5).

2.

Remove circuit 10 and 37A plugs (6) and (7) from circuit

breaker jacks (8) and (9).

3.

Measure resistance between circuit breaker jacks (8) and (9).

4.

Does multimeter read 0 ohms?

A2Y

1.

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

2.

Measure voltage at circuit 10 plug.

3.

Does multimeter read less than 17 volts?

A2YN

1.

Turn MASTER SWITCH to OFF

(see your -10).

2.

Repair rear main wiring harness

circuit 37A (

WP 0312 00

).

3.

Verify no faults found.

004400-2

RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS IMPROPERLY

(M577A2 AND M1068 ONLY) — Continued

0044 00

TM 9-2350-261-20-1

AYN

1.

Replace circuit breaker

(WP 0333 00).

2.

Verify no faults found.