TM 9-2320-361-20 4-49. BATTERY AND BATTERY BOX REPLACEMENT AND SERVICING This task covers: a. Batteries and Battery Box Removal d. Battery Box Support Installation b. Battery Box Support Removal e. Batteries and Battery Box Installation c. Battery and Battery Box Servicing INITIAL SETUP: APPLICABLE MODELS EQUIPMENT CONDITION All Parking brake set (TM 9-2320-361-10). MATERIALS/PARTS Battery clamps removed (para. 4-48). Eleven locknuts GENERAL SAFETY INSTRUCTIONS Four lockwashers Wear safety goggles and rubber gloves. Two spring washers Do not smoke when performing battery maintenance. PERSONNEL REQUIRED Remove all jewelry. Two When removing batteries, disconnect battery ground cable first. REFERENCES (TM) TM 9-2320-361-10 TM 9-2320-361-20P TM 9-6140-200-14 WARNING Battery acid (electrolyte) is extremely harmful. Always wear safety goggles and rubber gloves when performing battery maintenance. Severe injury will result if acid contacts eyes or skin. Do not smoke, have open flame, or make sparks when performing battery maintenance. Batteries may explode causing severe injury to personnel. Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or disconnected battery ground cable contacts positive battery post, a direct short can result, causing damage to equipment or severe injury to personnel. When removing battery cables, disconnect ground cable first. Do not allow tools to come in contact with vehicle when disconnecting cable clamps. A direct short can result, causing instant heating of tools, tool damage, battery damage, or battery explosion, and severe injury to personnel. a. Batteries and Battery Box Removal 1. Remove four nuts (1), lockwashers (2), J-bolts (4), and battery holddown (3) from battery box (6) and two batteries (5). Discard lockwashers (2). NOTE Assistant will help with step 2. 2. Remove two batteries (5) from battery box (6). 3. Remove battery box (6) from battery box support (7). 4. Remove five locknuts (20), screws (18), and shield (19) from battery box (6). Discard locknuts (20). 5. Remove two nuts (8), thumb screws (10), and washers (9) from battery box (6). b. Battery Box Support Removal 1. Remove four locknuts (16), screws (17), and battery box support (7) from two running board brackets (15), Discard locknuts (16). 2. Remove two locknuts (11), screws (14), spring washers (13), and clamps (12) from battery box support (7), Discard locknuts (11) and spring washers (13). 4-76