Neptune Technology E-Coder)R900i, Installation And Maintenance Manual

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Maintenance and Troubleshooting
E-Coder)R900 i Installation and Maintenance Guide 27
Upgrading the E-Coder)R900 i Antenna
1 Remove the pit lid from the pit box.
2 Unscrew the connector nut from the top of the connector housing
on the existing whip antenna.
3 Remove the connector housing by turning it counter-clockwise
¼ turn to remove.
4 Remove the flat black rubber washer from the base of "F" connec-
tor.
5 Unscrew the whip antenna from the "F" connector.
6 Remove the through the lid antenna components from the plastic
bag.
7 Feed the antenna cable and housing through the 1¾-inch hole in the
meter pit lid. Slip the large plastic nut over the antenna cable and
thread it onto the antenna assembly to secure it to the pit lid.
See Figure 28.
8 Make sure the smooth side at top of threads on nut is facing
upward.
Figure 28 Feeding Antenna Cable
9 Place the flat black rubber washer on the MIU around the male
coax connection. See Figure 29.
Figure 29 Placing Washer on MIU
10 Apply a coating of Novaguard around the base of the "F" connector
and on the flat black rubber washer.
The existing pit lid will require a 1¾-inch diameter hole to be drilled
or cut into the lid or the pit lid will have to be replaced w/ a lid that con-
tains a hole.