My stabilizing jack and slide outs operate on hydraulic. I retracted the slides and it quit operating. There is a selenoid with heavy gauge wire attached to it near the pump, that clicks on and off w...
Heartland manual says the front hydraulic jacks and the hydraulic slides will have manual overrides. Says check manual from maker of the slide out for how to do that. Says for the front jacks, use the crank into the "alignment tube" up front.
They use the term "stabilizer jacks" for the ones at the back of the trailer
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