Final answer:
When using the Greenlee Smart Bender to bend larger pipe, the bottom rollers need to be pulled up and into place.
Step-by-step explanation:
When bending larger pipe with the Greenlee Smart Bender, the bottom rollers must be pulled up and into place. This is because the bottom rollers provide support and stability during the bending process. By pulling them up, the pipe can be properly aligned and bent without any issues.