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5-3
Maintenance
54-0195 Rev. A
5.4 Field Replaceable Unit
Procedures
The following subsections provide detailed procedures for
repairing or swapping out field replaceable units. The procedures
refer to labeled items presented on the following diagrams.
PCB Cover
Pan Head Screws
PCB
Rotating Plate
3.15-amp Fuse
Always lift the antenna unit by
the gray baseplate, never by the
radome or any portion of the
antenna assembly!
Figure 5-1
Antenna, PCB, and Rotating Plate
Antenna Gyro
E-ring
Elevation Axis
Motor Shaft
Linear Actuator
Connecting Rod
Figure 5-2
Close-up of Connecting Rod
and E-ring
Before servicing the antenna unit,
be sure to remove the appropriate
vehicle fuse to disconnect power.
Replace the fuse after completing
the service.