After taking out the drawers and lower shelf, the left pantry drawer support was removed by unscrewing three hex head screws with a socket wrench. The slider attached to the old part was then removed with a screwdriver and reattached to the new support. The new support was installed with the three hex head screws and the shelving and drawers were put back in place. The pantry door was replaced on the pins by carefully spreading the pins apart with slight pressure.