Keystone told me a few years ago, that slide adjustment is a owner responsibility, and dealer is only required to adjust one time if necessary at PDI/delivery. Not sure I believe that. Not difficult to adjust if you follow lippert instructions carefully. Have not tried to adjust a cable driven slide. Yours is brand new, dealer should fix.
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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