Elecraft PX3 Owner's Manual - Manual (Page 43)

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Hold the front panel board face up so the LCD does not become dislodged and place the front panel and
bezel over it as shown in Figure 30. Insert the front panel board from the back of the sheet metal, angling it as
needed to fit past the narrow part of the panel. Secure the bezel as shown, threading the screws into the standoffs
you installed earlier. Do not use lock washers. Do not over-tighten the screws. You can distort or break the
bezel.
It is generally easier to insert two of the screws through the bezel and sheet metal at opposite corners, and
then position the front panel board, starting the two screws into the threaded standoffs on the front panel board.
Finally, add the last two screws and tighten only until the screws are snug.
Figure 30. Front Panel PC Board and Bezel Mounted on Front Panel.
Check to ensure the knob has its spring insert in place, then press it onto the shaft. Be sure the flat on the
shaft is aligned with the flat surface in the knob (see Figure 31). The control has a built-in switch so do not be
surprised to hear a click when you press the knob onto the shaft. The knob will stand above the surface of the
front panel to allow room for the knob to move when operating the switch. Also, some side-to-side movement of
the knob is normal in a control of this type with a built in switch.
Figure 31. Installing the Knob.