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 TM 55-1905-220-14-2
2-106. SEWAGE SYSTEM - NORMAL OPERATION (Cont).
(6)
Place disconnect switch (9) in the ON position.
(7)
The green POWER ON lamp (10) wil1 light.
(8)
Press SYSTEM START switch (11).
(9)
The green SYSTEM ON lamp (12) will light.
(10) Press VACUUM PUMP #1 - AUTO switch (13).
(11) The amber VACUUM PUMP #1 - MOTOR RUN lamp (14) will light.
(12) Press VACUUM PUMP #2 - AUTO switch (15).
(13) The amber VACUUM PUMP #2 - MOTOR RUN l amp (16) wil1 light.
NOTE
Both vacuum pumps 1 and 2 may run initially.
(14) The red SUM ALARM lamp (17) will light.
(15) An alarm will be transmitted to the pilothouse (see para. D).
(16) The green TANK LEVEL - EMPTY lamp (18) will light.
NOTE
The TANK LEVEL - EMPTY lamp will go out when the
tank contains more than 40 gallons (151.4 liters).
(17) Press the SUM ALARM RESET switch (19).
(18) The SUM ALARM 1amp (17) wi1l go out.
(19) The alarm in the pilothouse will stop.
(20) The vacuum pump (#1 or #2, or both) wil1 run.
(21) Vacuum gauge (20) will gradually show an increase in
vacuum to a maximum of 50 psi (344.7 kPa).
(22) If the pumps do not stop in 20 minutes:
(a)
The red VACUUM PUMP OVERRUN lamp (21) wi11 light momentarily.
(b)
The red SUM ALARM (17) will light.
(c)
An alarm signal is transmitted to the pilothouse (see
para. D).
2-571
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