TM 9-2350-277-20-3REPLACE ADMITTANCE BUZZER AND SWITCH (M577A3 AND M1068A3 ONLY) —Continued0334 00INSPECTION-ACCEPTANCE AND REJECTION CRITERIA1. Check buzzer and switch. See troubleshooting (WP 0042 00). Replace bad buzzer or switch.INSTALLATIONNOTEA new buzzer switch is equipped with two nuts and two washers. Before installing new buzzerswitch, 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 STEPS1. 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 TASK0334 00-2
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