TM 9-2320-366-10-23-8. OPENING BATTERY BOX/TESTING BATTERIES (CONT) c. Closing Battery Box. (1) Position battery box cover (1) on battery box (2). (2) Fasten two latches (3) on batterybox cover (1). (3) Push down on two latch levers (4) until spring catches (5) are engaged. End of Task. 3-118