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 278 of 346
A3Y
1.
Turn MASTER SWITCH to OFF (see your -10).
2.
Replace circuit 10 in master switch panel from the bus
bar to t he circuit breaker (
WP 0312 00
).
3.
Verify no faults found.
BY
1.
Remove circuit 509 plug (1) from admittance buzzer jack (2).
2.
(H): Depress admittance buzzer switch.
3.
Measure voltage between circuit 509 plug (1) and ground.
4.
Does multimeter read less than 17 volts?
B2Y
1.
Remove rear main harness circuit 509 plug (1) from
admittance buzzer switch (2).
2.
Install a jumper wire between admittance buzzer circuit
509plug(1)andground.
3.
Measure voltage across two pin contacts of circuit 509 plug
(1) from admittance buzzer switch.
4.
Does multimeter read less than 17 volts?
004400-3
RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS IMPROPERLY
(M577A2 AND M1068 ONLY) — Continued
0044 00
TM 9-2350-261-20-1
BYN
1.
Turn MASTER SWITCH to OFF
(see your -10).
2.
Replace admittance buzzer
(WP 0282 00).
3.
Verify no faults found.
B2YN
1.
Turn MASTER SWITCH to OFF
(see your -10).
2.
Replace admittance buzzer switch
(WP 0282 00).
3.
Verify no faults found.
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