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 TM 55-1915-200-10
(12) Open inline stop valve (42, Sheet 1 of 4).
d. Press engine room exhaust fan starboard
START pushbutton (14).
(13) On motor control center, set air
compressor #1 circuit breaker (60, FIGURE 2-103,
e. Set engine room supply fan port circuit breaker
Sheet 4 of 7) to ON position.
(6) to the ON position.
(14) Turn HAND-OFF-AUTO switch (62, Sheet
f. Set engine room supply fan port to SLOW or
4 of 7) to AUTO position.
FAST position (9).
(15) Observe main engine starting air pressure
g. Set engine room supply fan starboard circuit
gauge (65, FIGURE 2-108, Sheet 2 of 4). Starting air
breaker (31, Sheet 2 of 7) to the ON position.
pressure should read 250 psi.
h. Set engine room supply fan starboard S OP,
T
(16) Observe reducing station (FIGURE 2-108)
SLOW, FAST switch (34, Sheet 2 of 7).
air receiver gauges (6 and 12, Sheet 2 of 4). Air
2-5.4.1.1. Chilled Water System.
receivers are fully charged at 250 psi.
a. Set all thermostats to desired temperature
setting.
b. Control Air Activation.
b. Align Air Conditioning salt water circulating
(1) Observe compressed air reducing station
piping (FIGURE 2-110) as follows:
Reduced pressure should read 150 psi.
(1) Open low sea chest cutout valve (15).
(2) Open control air inlet valves (3 and 4,
(2) Open salt water circulating pump suction
valve (10).
(3) Open air drier inlet valve (1).
(3) Open pressure gauge cutout valve (4).
(4) Observe air reducer gauges (2 and 5) for
(4) Open salt water circulating pump
150 psi.
discharge valve (5).
2-5.4. Life Support System.
(5) Open refrigerant condenser sea water
2-5.4.1. Ventilation.
inlet valve (18, FIGURE 2-111).
a. Set engine room exhaust fan port circuit breaker
(6) Open refrigerant condenser sea water
(3, FIGURE 2-103, Sheet 1 of 7) on Motor Control
overboard discharge valve (20).
Center to the ON position.
(7) Set AIR CONDITIONING COOLING
b. Press engine room exhaust fan port START
WATER PUMP NO. 1 circuit breaker (107, FIGURE 2-
pushbutton (18, Sheet 1 of 7).
103, Sheet 6 of 7) to ON position on Engine Room
c. Set engine room exhaust fan starboard circuit
Motor Control Center.
breaker (4) to the ON position.
2-337
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