KVH Industries TracPhone V11, Инструкции по преобразованию, Страница: 6 / 13

6
Replacing an LNB-1/Filter Assembly
If you have an LNB-1 with filter assembly, follow
the steps below to replace the LNB-1/filter assembly
with an LNB-3 and filter assembly
.
1. Using a 7/16" open-end wrench, disconnect the
RF cable from the LNB (see Figure 10). To avoid
stressing the cable, hold the top of the connector
with your fingers while loosening.
2. If present, cut and remove the tie-wrap securing
the RF cable to the LNB.
3. Using a Phillips screwdriver, remove and
discard the four M4 screws securing the LNB
and filter assembly to the OMT (see Figure 11).
Remove the LNB and filter assembly.
4. Secure the LNB-3 and filter assembly to the OMT
using four new M4 screws ( supplied in kit ),
making sure that the LNB notch faces the OMT
as shown in Figure 12 and Figure 13. Tighten the
screws to 21 in-lbs of torque.
5. Remove the protective cap from the LNB’s RF
connector. Then connect the RF cable to the LNB
making sure that the RF cable is aligned to
prevent any interference when the feed assembly
rotates (see Figure 12). Tighten with a 7/16"
torque wrench set to 15 in.-lbs.
6. Secure the RF cable to the LNB using the tie-
wrap ( supplied in kit ), as shown in Figure 12 and
Figure 13. Trim the excess portion of the tie-wrap
and discard it.
7. Continue to “Replace the Power/Thermal
Module” on page 9 .
Important!
Before removal, note the LNB orientation (the LNB
notch, shown in Figure 10 and Figure 11, faces the
OMT), and be sure to match this orientation when
installing the replacement LNB.
Figure 10: LNB-1/Filter Assembly RF Cable and Orientation to OMT
Figure 11: LNB-1/Filter Assembly Mounting Screws
Figure 12: LNB-3 RF Cable and Orientation to OMT
Figure 13: LNB-3 Mounting Screws