C-COM Satellite iNetVu, Руководство по обслуживанию, Страница: 64 / 109

iNetVu™ Service Manual Page 64 of 109
4.6. Replacing Polarization Potentiometer
Products Affected:
iNetVu
TM
Platforms: All A-Generation
Description:
This procedure describes the steps involved to replace the Polarization Potentiometer for all A-
Generation Mobile Platforms.
Required Materials:

Phillips screwdriver

Multi-purpose grease (Temp. Range: -40

c to 65

c)

Replacement Potentiometer
Solution(s):
Use the following steps to perform replace the Polarization Potentiometer:
1)
Ensure the Polarization Angle is approximately in the zero position before
commencing.
2)
Remove Elevation cover (iNetVu™ 980/750/740 only).
3)
Locate Polarization Potentiometer. On the iNetVu™ 1200,1800 the potentiometer
is located on the feed arm, and for the iNetVu™ 980/750/740, the potentiometer
is located on the Elevation plate.
4)
Disconnect Polarization Potentiometer connectors and remove using Phillips
screwdriver. Please remember to take note of the wiring coloring system for the
connections.
DO NOT
discard the faulty potentiometer, as it is required to be sent back to C-
Com Satellite Systems for failure inspection tests.