TM 9-2320-209-34-2-2 h. Tailgate Linkage Adjustment. FRAME 1 1. Put hand lever (1) in locked position. Check that two locking latches (2) close fully over two tailgate pivot pins (3). If locking latches are fully closed, END OF TASK. 2. If locking latches (2) did not fully close, loosen two nuts (4), one on each side of dump body, two turns. Hold nuts and tighten two nuts (5). 3. Do step 1 again. If needed, do steps 1 and 2 again until locking latches (2) fully close. END OF TASK 17-831