TM 9-2320-209-34-2-2 17-37. CONVERTER REMOVAL AND REPLACEMENT (TRUCKS M109A2 AND M109A3). TOOLS: No special tools required SUPPLIES: None PERSONNEL: TWO EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Removal. FRAME 1 1. Unplug plug (1). 2. Take out plug (2). GO TO FRAME 2 17-393