TracVision R4, L3, R5, S3, C3 Instructions Manual

®

TracVision

R4/R5/L3/S3/C3 LNB Ground

Isolation Instructions

The following instructions explain how to isolate the LNB from
ground in a TracVision R4/R5/L3/S3/C3 antenna that has a serial
number earlier than 060900472. You will simply install the four
ground-isolating nylon shoulder washers provided in the kit.

Tools Required

•#2 Phillips screwdriver

•11/32" nut driver

•Drill and 1/4" bit

TracVision R4/R5/L3/S3/C3

LNB Ground Isolation Instructions

CAUTION

For your own safety, be sure to disconnect power from the
antenna and receiver(s) before performing this procedure.

a. Turn off the antenna and unplug all connected

receivers.

b. Using a #2 Phillips screwdriver, remove the eight

#8-32 screws and washers securing the antenna’s
radome to the baseplate (see Figure 1). Carefully
remove the radome and set it aside in a safe place.

Figure 1 Removing the Radome

#8-32 Screws
and Washers (x8)

54-0568 Rev. A

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TracVision R4/R5/L3/S3/C3

Wing Screw
and Washer

LNB Clamp

LNB

Shoulder Washer (x2)

Flat Washer and
#8-32 Lock Nut

LNB Bracket

Shoulder Washer (x2)

Reflector Bracket

LNB Ground Isolation Instructions

c. Using an 11/32" nut driver, remove the two #8-32 lock

nuts and flat washers securing the LNB bracket to the
reflector bracket (see Figure 2).

Figure 2 Installing the Ground-Isolating Nylon Shoulder Washers

d. Detach the LNB assembly from the reflector bracket.

e. Using a drill and 1/4" bit, widen the two holes in the

reflector bracket to accommodate the supplied nylon
shoulder washers.

f. Install the four nylon shoulder washers into the holes in

the reflector bracket. Install two washers from the top of the

bracket and two washers from the bottom.

g. Position the LNB assembly back onto the reflector

bracket. Ensure the shoulder washers prevent the LNB
bracket from coming into metallic contact with the
reflector bracket.

h. Secure the LNB bracket in place using the #8-32 lock

nuts and flat washers you removed earlier. Ensure the
shoulder washers prevent the metal hardware from
coming into contact with the reflector bracket.

i. Reinstall the radome.

j. Plug in the receiver(s) and re-apply power to the

antenna.

The LNB ground isolation process is complete!

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