TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 245 of 858
TM 9-2350-277-20-1 RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS IMPROPERLY (M577A3 AND M1068A3 ONLY) 0042 00 INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s General Mechanic’s Tool Kit (WP 0926 00, Item 65) Digital Multimeter (WP 0926 00, Item 30) Jumper Wire P e r s o n n e l R e q u i r e d Unit Mechanic Helper (H) R e f e r e n c e s See your -10 E q u i p m e n t C o n d i t i o n 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