UNINTERRUPTABLE POWER.--This sub-
temperature indicator. It indicates the UV
section has the indicators for the UPS. The left
sensor in the SSDG enclosure has detected
indicator is labeled NORMAL. When it is
illuminated, the UPS is operating in a normal
manner. The middle indicator is labeled ALTER-
FUEL PRESS FAILURE indicator is at
NATE. When it is illuminated, the power is
the bottom of the meter. It indicates the
bypassing the UPS. The right indicator is labeled
pressure in the manifold is below the preset
BATTERY. When it is illuminated, the UPS is
operating on the battery power.
ENGINE SPEED meter monitors the
speed of the SSDG. It is sensed by the
PMA mounted on the aft end of the
This section contains two indicators. The first
indicator is for console HIGH TEMP. When it
ENGINE TRIP indicator indicates the
is illuminated, the console temperature has
SSDG has been automatically shut down
exceeded a preset value. The HEATERS ON
either by the overspeed trip, low lube oil
indicator is the right indicator. When it is
pressure, Halon release, or corrective
illuminated, the heaters in the console are on.
action of the SCS.
RETURN TEMP meter monitors the
VITAL POWER FEEDER CIRCUIT
temperature of the lube oil returning to the
BREAKER STATUS Section
SUPPLY HIGH TEMP indicator is at the
section of the panel shows that a particular
top and to the right of the meter. It
CB is open. The layout of the indicators is
indicates the temperature of the lube oil
by SWBD. The indicators are limited to only the
going to the SSDG exceeds the preset limit.
SUMP LOW LEVEL indicator is the
The LAMP TEST push-button switch is
middle indicator. It indicates the level of
located on the lower right corner. It is used to test
the lube oil sump is low.
the indicator lights on the A-3 panel only.
SUPPLY PRESS meter monitors the
pressure of the lube oil going to the SSDG.
SSDG PANEL (A-4)
SUPPLY LOW PRESS indicator is at the
The SSDG panel (A-4) is the middle left panel
bottom of the meter. It indicates the
(fig. 8-16). It is subdivided into four columns.
pressure of the lube oil going to the SSDG
The columns are labeled PRIME MOVER (4, 2,
is below the preset limit.
3, and 1). Each column is identical, one for
each SSDG. The indicators from top to bottom
are as follows:
SSDG OUTPUT AND
DISTRIBUTION PANEL (A-5)
MANIFOLD PRESS meter monitors the
The SSDG OUTPUT AND DISTRIBUTION
pressure of the fuel in the manifold.
panel (A-5) is located in the center of the EPCC
(fig. 8-17). This panel contains four identical
FUEL RETURN HIGH TEMP indicator
columns, one for each SSDG (4, 2, 3, and 1).
is at the top and to the right of the meter.
It indicates the temperature of the fuel
The controls and indicators on this panel are
used to monitor and control the output of the
coming out of the fuel cooler is above the
generator. The sections on this panel are the
meter, governor control, voltage regulator
control, and alarm acknowledge and processor
indicator is to the right of the high
generated alarm sections.