Originally Posted by DannoXYZ
Is the chain on there and the two derailleur pulleys vertical? If not, the coiled up cage can bump into the body of the derailleur and not move further out. With a chain in place, it pulls down the cage out of the way.
Chain was not on, but the instructions say to put the chain on after the pulley is adjusted. When I tried is with the chain on it still wouldn't shift to the small cog.