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Hydraullic jack will not lower. Left rear does not lower when doing all extend most of the time and does not lower when using back rear control either.

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  • texans39 Jun 30, 2009

    It is a Dewald hydraulif leveling system for my RV. It has a control panel to extend and retract the jacks to level the motor home. It has an "all extend" switch and it has a rear jack switch and two more switches to adjust the front and rear jack to get level. The "all extend" switch will not lower the left rear jack, but the switch that controls the left rear jack will lower it and then we can use the all other switches to get level.

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WHAT KIND OF JACK IS THIS? WHY DOES IT HAVE A BACK REAR CONTROLLER. ARE YOU TALKING ABOUT A VEHICLE LIFT? JODY

Posted on Jun 29, 2009

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