I thought the screws were supposed to adjust the level and mine has 3 or 4 screws, not 2. I believe the idea is that this is sort of a calibration of "level". Once I leveled my unit at home and checked it inside and out with a long level I adjusted the screws on the jack level to center the bubble. Now when I get ready to disconnect my truck I can quickly check this to see if I am level right and left and then when I disconnect I can level front to back. It's not perfect, but works well enough that I don't have to get to my level and open my door(s) to see if I am level left to right before I disconnect.
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Paul
2011 Toyota Tundra, 5.7L, Double Cab, 4x4, Tow Package
2013 Keystone Premier Bullet 33BLPR
BlueOx Sway Pro WD Hitch
Husky Escort Time Ramp Brake Controller (need an upgrade)
Air Lift [Load Lifter 5000] Air Bags
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