User's Manual

Step 1 Disassemble 520 Unit

1.) Disassemble the model 520 unit to begin the installation procedure.

Unlock the radio device by pressing down on the two tabs on the Boot

Locking Clip facing the port side connections. Once the tabs are

depressed, slide the Boot Locking Clip partially out until the Boot

Locking Clip disengages from the Pit Lid Housing.

2.) Slide out the HDPE Radio and Boot from the Pit Lid Housing.

3.) Remove the Pit Locking Nut from the underneath of the Pit Lid Housing

by turning the Nut to the left.

Sample pit lid is shown below: