When you bought the unit, you should have gotten a small tool that looks like a flexible screwdriver with a hex tool on the end. This is to put into a drill and turn the jacks manually from the pump unit. You have to set the valves manually, too, though. You mentioned you're on a steep grade - is the unit level? If not, is it possible the large slide is simply binding? Also, if you're not level, check the outlet for the hydraulic oil in the reservoir and make sure it's not exposed. It may be possible to slope enough that the pump actually runs out of oil while there is still some in the reservoir. If it has run out of oil that way, then I would imagine you now have air in the system which would need to be bled out - that one's beyond me and I think you'd need a service tech and a lot of oil to bleed it from the cylinder end of things.
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2015 Legacy SR340 360RB
2014 Jeep Wrangler Unlimited Toad
Gigi, Poppy and Sadie Lady...On the road, but not full time!
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