REPLACE HORN AND GROUND LEAD

C H A P T E R 12 ELECTRICAL SYSTEM MAINTENANCE HORN AND LIGHTING S Y S T E M

TM-9-2350-261-20-2 Carrier Personnel Full Tracked Armored M113A2 2350-01-068-4077 Carrier Command Post Light Tracked M577A2 2350-01-068-4089 Manual
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TM 9-2350-261-20-2 REPLACE HORN AND GROUND LEAD INITIAL SETUP Tools: Personnel Required: General Mechanics Tool Kit (Item 30, App D) Unit Mechanic Materials/Parts: References: Lockwasher (2) See your -10 Lockwasher Self-locking nut Equipment Conditions: Engine stopped/shutdown (see your –10) Carrier blocked (see your -10) REMOVE 1. 2. 3. Disconnect ground lead (1) and circuit 25 lead (2) from horn (3). Remove two screws (4), lockwashers (5), and horn (3) from hull bracket (6). Discard Iockwashers. Remove locknut (7), lockwasher (8), ground lead ( 1), washer (9), and screw (10) from bracket (6). Discard lockwasher and locknut. INSTALL 4. 5. 6 Install ground lead (1) on bracket (6). Secure with screw (10), washer (9), new lockwasher (8), and new locknut (7). Install horn (3) on bracket (6). Secure with two new lockwashers (5) and screws (4). Connect circuit 25 lead (2) and ground lead (1) to horn (3). FOLLOW-THROUGH STEPS 1. Turn MASTER SWITCH ON (see your –10). 2. Turn MASTER SWITCH OFF (see your –10). Press horn button to check that horn works. END OF TASK 1 2 - 2

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