TM 9-2320-209-20-3-3 18-70. 115-VOLT CIRCUIT BREAKER REMOVAL AND REPLACEMENT. TOOLS: Flat-tip screwdriver SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Removal. WARNING Before working on circuit breaker box, take off 115-volt power cable to stop injury from electrical shock. Refer to TM 9-2320-209-10. FRAME 1 1. Using screwdriver, unscrew and take off four screws (1). 2. Take off circuit breaker box cover (2) . GO TO FRAME 2 18-371