TM-9-2350-277-20-3 Unit Maintenance Manual Volume 3 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 334 of 962
TM 9-2350-277-20-3 REPLACE ADMITTANCE BUZZER AND SWITCH (M577A3 AND M1068A3 ONLY) — Continued 0334 00 INSPECTION-ACCEPTANCE AND REJECTION CRITERIA 1. Check buzzer and switch. See troubleshooting (WP 0042 00). Replace bad buzzer or switch. INSTALLATION NOTE A new buzzer switch is equipped with two nuts and two washers. Before installing new buzzer switch, discard one nut and one washer. 1. Install buzzer switch (1) in rear bulkhead. Secure with new gasket (2) and nut (3). 2. Place buzzer (4) on weldnuts on left bulkhead. Secure with three new lockwashers (5) and screws (6). 3. Connect circuit 509 lead (7) to buzzer (4) and to buzzer switch (1). FOLLOW-THROUGH STEPS 1. Connect battery ground lead (WP 0338 00). 2. Turn MASTER SWITCH ON (see your -10). 3. Operate buzzer switch to check that buzzer and switch operate properly (see your -10). 4. Turn MASTER SWITCH OFF (see your -10). END OF TASK 0334 00-2