5. Remove the three #6-32 x
3
⁄
8
" retaining screws from
the limit switch cover and set aside (see Figure
4-7). Lift the cover to access the limit switch
underneath.
6. Remove the four #8-32 x
1
⁄
2
" screws securing the
limit switch to the cover and set aside.
7. Replace the azimuth limit switch. Attach the new
switch to the cover using the #8 screws, flat
washers, and cable clamp.
8. Route the new limit switch wires through the
cover and cable clamp to the CPU’s Molex
connector. After noting the position of the old
black and white wires, remove the old wires from
the Molex connector. Attach the new wires in their
place.
9. Before re-installing the azimuth limit switch to the
antenna assembly, orient the switch’s plastic cam
as shown in Figure 4-8 on the following page.
With the cam in the proper position, reinstall the
switch to the antenna assembly using the three #6
retaining screws and flat washers.
Ensure the cam
finger engages the stop pin in the mounting cavity.
10. Apply hot melt or RTV at the limit switch cover’s
wire access hole to protect the wires from chafing.
3
TracVision 6 Installation and Technical Manual – ADDENDUM
54-0166 Addendum to Rev. B
ECO #5315
Hot Melt
Retaining Screws
Figure 4-7
Azimuth Limit Switch Cover
