TM 9-2350-277-20-1
RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS
IMPROPERLY (M577A3 AND M1068A3 ONLY)
0042 00
INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
General Mechanic’s Tool Kit (WP 0926 00, Item 65)
Digital Multimeter (WP 0926 00, Item 30)
Jumper Wire
Personnel Required
Unit Mechanic
Helper (H)
References
See your -10
Equipment Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
MASTER SWITCH turned to ON (see your -10)
T
1. Does either the right rear utility outlet or the admittance buzzer
operate?
YES
NO
GO TO AY (PAGE 0042 00-2)
Y
1. Does the admittance buzzer operate correctly?
YES
NO
YN
GO TO BY (PAGE 0042 00-3)
2Y
1. Remove circuit 37A plug (2) from utility outlet jack (1).
2. Measure voltage between circuit 37A plug (1) and ground.
3. Does multimeter read less than 17 volts?
YES
NO
2YN
1. Turn MASTER SWITCH to OFF
(see your -10).
2. Replace utility outlet receptacle
(WP 0378 00).
3. Verify no faults found.
0042 00-1
