Light Rail 3.5 Slide Nut w/ Thumb Screw 1 Unit
To tighten, hold the slide nut in a vertical position in the Rails? channel and turn the
thumb screw clockwise until it contacts the Rail. After tightening, the end tab of the thumb
screw needs to be in a vertical position. you may need to use pliers to obtain this position. It is
important that the thumbscrews are tight.