TM 10-3930-664-24 2-140.    TOOL BOX REPLACEMENT This task covers: Removal, Cleaning, Inspection, and Installation INITIAL SETUP: Tools and Test Equipment: Equipment Condition: General Mechanics Tool Kit (I, App E) Batteries disconnected (para.  2-78) Seat belts removed (para.  2-139) Personnel Required: 2 Personnel A. REMOVAL WARNING Electrical shock hazard.    Disconnect battery ground cable or power source prior to working on electrical components.                Failure    to    heed warning could cause shock, injury or death.        If  electrical  shock  occurs, administer  first  aid  and  seek  medical assistance immediately. WARNING Secure   tool   box   lid   when   removing components    to    prevent    accidental injury. 1. Open tool box lid (1) to gain access to attaching parts.    Secure tool box lid in place. 2. Release   DCA   shunt   (8)   from   tool   box   (2)   by removing screws (9), lockwashers (10), and nuts (11). 3. Remove    screws    (4),    nuts    (5),    screws    (6), washers (7), and nuts (5). 4. Slide tool box (2) out from behind seat assembly (12). 2-375