Robert, Keystone uses Lippert slides in their trailers and manuals for them are available for them on Lippert's web page. Prowler is made by Fleetwood, and I don't know who makes their slide out mechanisms. You might want to try a forum that contains Prowler owners. Travel safely, Hank
If your slide-out is a Lippert
HERE is a link for their manuals. Hope this helps.
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Hank & Lynn
2007 Cougar 290RKS, E-Z Flex, 16" XPS RIBs ( SOLD
.. Gonna miss her ... looking for new 5r)
2004.5 Dodge 2500 QC, LB, 5.9HO, WestTach gauges, Ride-Rite