TB 9-2350-368-25 4-4 1. Attach powerplant sling (1) to lifting device (2) of at least 3,000 pounds (1,362 kg) capacity. See Figure 4- 1. 2. Attach powerplant sling (1) to lifting brackets (3) and lift powerplant assembly (4). Have helper assist. See Figure 4-1. Figure 4-1. M113A3/M548A3 Powerplant