TM 9-2320-209-34-2-3 f. Assembly. FRAME 1 1. Hold upper gusset (1) in place. 2. Put in three screws and self-locking nuts (2). 3. Hold lower gusset (3) in place. 4. Put in five screws and self-looking nuts (4). 5. Do steps 1 through 4 again on other side of bumper bar (5). END OF TASK 19-5