swanny,
dieselguy is absolutely correct. The cylinder pistons and shaft have more stroke than the room does. The gap is set so that the room seals in both positions with the piston inside the cylinder tube bottomed out to the endcaps of the cylinder. That physical obstruction keeps the room from sucking in and setting on the floor of you coach or keeps the operator from blowing the room out thru the side wall and laying it one the ground beside the coach.
Sound a little exagerated? Probably. But, I guarantee that if those nuts are jammed together against that driver bracket, you will break something and it won't be pretty. That hydraulic pump produces 2200 pounds of pressure per square inch of piston suface. And , if I recall that piston is about 1.750" in diameter.
When I worked for Lippert several years ago, I received several calls where retail customers saw the samething and made adjustments before contacting us or Keystone........they were not happy with themselves.
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