TM 9-2320-209-10-1 FRAME 3 1. Move lower leg (1) up or down in upper leg (2) until bottom of lower leg rests firmly on ground. 2. Put tee locking pin (3) into highest visible hole in lower leg (1). 3. Make legs (1 and 2) fast by putting safety pin (4) into hole at end of tee locking pin (3). 4. Do steps 1 through 3 on other side of truck. GO TO FRAME 4 4-259