Abstract: Employee #1 was servicing the clutches on an Irvington trim saw system, which consisted of several saws spaced 2 ft apart. These saws trimmed lumber to length and removed defects. Access to the top of the trim saw was gained by climbing up the saw structure; there was no stairway or ladder. The saw had to be operating when the clutches were adjusted, and this meant that the lumber feed chains were also running. These feed chains had lugs on them that held the lumber in place as it passed through the trim saw. After adjusting the clutches, Employee #1 placed his left foot on the outside frame of the trim saw to descend from it. His right foot became caught by a lug on the chains, and was pinched between the lug and the frame. He sustained injuries that required hospitalization.