I only have one cable drive (bedroom), with the slide closed, there is access to the chain drive, motor, some of the cable/pulley system, by standing on the bed. I spray with silicon spray occasionally. With slide open, I spray dry lube on the bottom rollers on the outside bottom edge as well as silicon on the exposed cables.
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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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