TM-9-2350-277-20-3 Unit Maintenance Manual Volume 3 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 240 of 962
TM 9-2350-277-20-3 REPLACE SERVICE AND INFRARED HEADLIGHTS — Continued 0303 00 INSTALLATION 1. Place headlight (3) and large bevel washer (7) on hull bracket (8). Secure with small bevel washer (6), new lockwasher (5), and nut (4). 2. Connect circuit 18 lead (2) and circuit 17 lead (1) to rear of service headlight (3). 3. Connect circuit 515 lead (2) and circuit 514 lead (1) to rear of infrared headlight (3). FOLLOW-THROUGH STEPS 1. Connect battery ground strap (WP 0337 00), (WP 0338 00), or (WP 0339 00). 2. Turn MASTER SWITCH ON (see your -10). WARNING Do not look directly into infrared headlights. You may damage your eyes. 3. Turn on service headlights to check that they work right (see your -10). 4. Turn infrared headlights on (see your -10) and hold hand near lens. Heat means headlight is working. 5. Turn all switches OFF (see your -10). END OF TASK 0303 00-2