Humanscale Access Rail Wall Mount User Manual
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Step 3: Attach Thumb Screw Bracket
Insert Thumb Screw into Corner Bracket from the bottom
Position Oval Nut on top of the Thumb Screw, thread nut only a few revolutions
so that nut stays on the top of Thumb Screw
Line up top edge of Corner Bracket so that it contacts the bottom edge of the SU
Mount
o You will be able to feel the contact made between the two parts
Carefully turn the thumb screw in the clockwise direction
After several revolutions you will feel the Oval Nut begin to tighten against the
bottom flange of the Access Rail
If the Oval Nut slips then repeat this step until there is a secure fit and you can
pull down on the Thumb Screw Bracket without it falling off
Assemble Thumb Screw Bracket
Tighten Thumb Screw, Ensure Contact with SU Mount
Final Product
SU Mount
SU Mount
Oval Nut
Corner Bracket