Humanscale Access Rail Wall Mount User Manual
Humanscale Computer Accessories

Installation Instructions for NPR 638 Access Rail Wall Mount
Step 1: Locate Studs and Screw in SU Mounts
SU Mounts to be positioned with teeth facing UP
ALL FOUR screws to be drilled into the same stud
Both SU Mounts to be measured with level device
Confirm that screw heads are flush or recessed into countersink
o Access Rail will not slide onto mounts if screws are sticking out into the
space between teeth
Screw Heads Flush to Surface
SU Mounts Level on Wall
Step 2: Attach Access Rail
Mount the Access Rail onto the SU Mounts from the front, confirm that Access
Rail teeth are interlocked with SU Mount teeth
Slide the Access Rail so that the middle of the Rail is approximately located in the
middle of the space between both SU Mounts
Access Rail Mounted on SU Mounts