allows the operator to continuously monitor the
comminutor is running. The sixth indicator,
labeled COMMINUTOR 1 RUNNING, is
bleed air cooler discharge temperature. The push-
functionally identical to the No. 2 comminutor
button indicator located next to the meter is
indicator. The seventh indicator is labeled
labeled AIR DISCH HIGH TEMP. It illuminates
DISPOSAL PUMP 2 RUNNING. It illuminates
red to indicate the bleed air cooler discharge
temperature has reached 400F.
green to indicate the No. 2 disposal pump is
running. The eighth indicator, labeled DISPOSAL
PUMP 1 RUNNING, is functionally identical to
the No. 2 disposal pump indicator.
The sewage disposal system allows for the
disposal of waste from the ship to satisfy the
Sewage Disposal System Section
prevailing ecology requirements. The system has
The ACC has alarms and indicators to show
a CHT tank, two comminutors, and two ejection
the status of the collecting, holding, and transfer
pumps located in the collecting, holding, and
(CHT) tank level, the sump ejection tank level,
boiler room. It also has the sump ejection tank
and macerator sewage pump located in the
the sewage holding tank air compressor, the
macerator sewage pump, the comminutors, and
steering gear room. Soil and waste drains empty
the sewage ejection pumps. The level in the CHT
into the CHT tank, or directly overboard,
tank can be obtained on the demand display.
depending on the location of the drain within the
ship. The contents of the sump ejection tank are
The first indicator is labeled HOLDING
automatically pumped through the macerator
TANK HIGH LEVEL. It illuminates red to
sewage pump to the CHT tank when the ejection
tank is filled to 70 percent of capacity. The CHT
indicate a high level in the sewage collecting
tank can be emptied by pumping it directly over-
holding tank. The second indicator, labeled
SUMP EJECTION TK HIGH LEVEL, illumi-
board when the ship is in unrestricted waters, to
a barge when it is in restricted waters, or to
nates red to indicate a high level in the sump
shore facilities when the ship is secured to a
ejection tank. The third indicator is labeled
dock. The system is designed for local start-up
HOLDING TANK AIR COMPRESSOR RUN-
and unattended operation.
NING. It illuminates green to indicate that the
holding tank air compressor is running. The
fourth indicator, labeled MACERATOR RUN-
Lamp Test
NING, illuminates green to indicate that the
macerator sewage pump is running. The fifth
indicator, labeled COMMINUTOR 2 RUNNING,
The backlighted momentary-action LAMP
illuminates green to indicate that the No. 2
TEST push button is provided on the right-hand
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