TM 9-2320-361-20 4-49. BATTERY AND BATTERY BOX REPLACEMENT AND SERVICING (Contd) d. Battery Box Support Installation NOTE Ensure clamps move freely when nuts are installed. 1. Install two clamps (12) on battery box support (7) with two new spring washers (13), screws (14), and new locknuts (11). Tighten nuts (11) so that clamps (12) may move freely. 2. Install battery box support (7) on two running board brackets (15) with four screws (17) and new locknuts (16). e. Batteries and Battery Box Installation 1. Install shield (19) on battery box (6) with five screws (18) and new locknuts (20). 2. Install two washers (9) and thumbscrews (10) on battery box (6) with two nuts (8). 3. Install battery box (6) on battery box support (7). NOTE Assistant will help with step 4. 4. Place two batteries (5) in battery box (6). Install battery holddown (3) on battery box (6) and batteries (5) with four J-bolts (4), new lockwashers (2), and nuts (1). FOLLOW-ON TASK: Install battery clamps (para. 4-48). 4-78