ViaSat 8116 Series, Инструкция по установке и эксплуатации

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MAINTENANCE
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6. Inspect azimuth and elevation actuators for sufficient lubrication. For
either actuator, the following steps should be performed:
a. Run the actuator out 12 inches from the normal operating
position.
b. Disconnect the boot from the actuator housing and slide the boot
back.
c. Examine the last 12 inches of the screw for the condition of the
grease.
d. If the grease is dry, contaminated, or lacking, it must be replaced
(as follows).
e. Using a clean cloth and solvent, remove any dry or contaminated
grease.
CAUTION
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If one of the following low-temperature greases
is not used on the actuator screw, damage to the
screw or motor could occur.
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f. Apply a thin, uniform coating of one of the following low-
temperature greases:
• Texaco Low Temperature #2346
• Shell Aeroshell #17 (SA# 488563), (14 oz) Moly Grease
Cartridges
• Mobil Low Temperature #28
g. Connect the boot back to the actuator housing.
h. Run the actuator in and out 12 inches each way two times.
i. Move the reflector back to the satellite position.
7. Apply Aeroshell #17 grease to all of the following grease fittings
shown in Figure 6-1:
NOTE
Six tubes of Aeroshell #17 grease cartridges supplied with
each antenna.
Azimuth Bearing Assembly 2 places
Azimuth Anchor 1 place
Elevation Hub Blade 2 places
Elevation Jack Hub Blade 1 place
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42S183D
SERIES 8116/8118 16-/18-METER EARTH STATION ANTENNA
6-3