We have HWH Kickdown jacks on our Jayco. Although we go out often, the jacks frequently (should probably say Usually...) try to extend before they're vertical. The comment that turning the control to "ON" sets the jacks to vertical interests me since our control is also manual leveling following the LEDs on the control panel.
Anyhow, We're more likely to drive up onto wooden leveling boards than to use the jacks. Ours operate in pairs (one end or one side) at a time so when one balks it affects the other. By the time I try to get a block under the jack footprint, wrestle the jack to vertical, holler at the DW "extend, retract...", it's easier to lay boards down. At least I can reach the tires.
We also found the levelers didn't do much to steady the parked coach as we move around. Our Hellwig sway bars keep the coach steadier than levelers did before we added the bars.
So... I'd really like to have a set of straight-acting leveling jacks. Not sure I'd go out of my way to get kickdowns.
