Note the direction of the screw bosses, as indicated in FIG. 8:
FIG. 8
Direction of the Screw-Bosses, based on surface thickness (19mm vs. >19mm thick)
For mounting surfaces less than 35mm thick, orient the screw bosses away form the main assembly (down).
For mounting surfaces greater than 35mm thick orient the screw bosses toward the main assembly (up).
HPX-1600 Retractable Connection Port
Retaining
Screw
Retaining
Screw
Installing the HPX-1600
Mounting Surface
Retaining Ring
Retaining
Screw
note the orientation
of the screw bosses
Mounting Surface
Retaining Ring
Retaining
Screw
11