I did a Google search and found a You Tube video that shows retraction for one type of Lippert system , if this isn't your system , will need a model number for your system.
Hope this helps.
EDIT: Sorry I can't get the link to work . I'll check things out and try again.
Second verse ... same as the first.
Try a Google search for
Lippert ( LCI) Ultra Leveling Jacks: Manual Retraction , for the video
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