CE-1008
TABLE 4-2. TROUBLE ANALYSIS CHART (CONT)
Step
No.
Procedure
Normal Indication
Corrective Step
4
The RADOME PRESSURE
a) If meter is inoperative, check
POWER circuit breaker, CB3, to
meter on the Power Supply
TP1 in the Power Supply for
the ON position.
should show an increasing
+28 volts. Check fuse F4.
reading as the radome be-
comes inflated.
5
Observe that the RADOME
a) Check the light bulbs.
b) Check pressure switch S1 in
Control Power Supply reaches
the radome.
approximately 0.5 PSI when the
c) Check pressure transducer
radome is inflated and that the
MT1 in radome box.
PRESSURE SAFE indicator light,
DS1, on the power supply
illuminates.
6
Set CB4, the SERVO EXCITATION
circuit breaker, on the Power Supply,
to the ON position.
7
Set S1, the SERVO DRIVE
a) Check radome pressure.
switch on the Control Indicator,
drive indicator light.
b) Check SAFE-RUN switch in
to the ON position.
radome boxes.
c) Check SAFE-RUN switch on
the pedestal.
4-5