TM 10-3930-664-24 2-78.  BATTERY REPLACEMENT This task covers: Removal, Cleaning, Inspection, and Installation INITIAL SETUP: Tools and Test Equipment: General Mechanics Tool Kit (1, App.  E) A.  REMOVAL WARNING Batteries    produce    explosive    gases and    contain    acid    that    can    cause severe    burns.        To    avoid    serious injury,  keep  sparks   and   flame   away from    batteries.        Avoid    electrolyte contact with skin, eyes or clothing.  If electrolyte spills, take immediate action to stop burning effects. 1. REMOVE BATTERY BOX LID (1) BY TURNING LID LATCHES (2). 2. TAG    AND    DISCONNECT    BATTERY  CABLES (3, 4, 5). a.      Remove   ground   cable   (3,   BLACK)   from negative battery terminal by loosening cable lug nut. b.  Remove positive cable (4, RED) from positive battery terminal  by  loosening  cable    lug    nut. Tag  and  remove additional electrical wire. c.  Remove  crossover  cable  (5)  from positive and  negative  battery  terminals  by  loosening cable lug nuts. 3. REMOVE BATTERIES (10). a.  Remove wing nuts (6) and washers (7) from studs (8).  Remove hold down brackets (9). b.  Carefully lift batteries (10) out of box. Place on a level work surface for further maintenance. 2-223