CE-1008
TABLE 4-2. TROUBLE ANALYSIS CHART (CONT)
Step
No.
Procedure
Normal Indication
Corrective Step
12
Position the AZ ORIENT control
The antenna should follow the
a) Check zero of the CDX being
to 5, 10 and 20 degrees with the
complement of these settings
rotated.
TRUE AZIMUTH counter on the
within 1/2
.
b) Check zero of the CT in the
Control Indicator set to zero.
pedestal.
c) Check zero of the azimuth CX
in the Control Indicator.
13
Rotate the elevation handwheel
The antenna in elevation
a) If elevation does not move or
to 0, 45 and 90 degrees and to
should follow within 1/2
.
moves sluggishly or erratic-
three intermediate arbitrary
ally, check the elevation servo
positions.
amplifier in the pedestal.
b) If elevation moves normally
but does not follow within
1/2 check the zero of the
,
CT in the elevation assembly.
c) Check the zero of the elevation
CX in the Control Indicator.
14
Run the antenna into an azimuth
The antenna's servo action
a) Check the setting of the limit
electrical limit.
will become sluggish 30
switches.
prior to contacting the
b) Check the azimuth limit
mechanical stop.
resistor.
15
Repeat step 14 for the opposite
limit.
4-8
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