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 TM 55-1925-204-12
Operation
Open valve
Close valve
Procedure
To operate whistle tank and whistle
(9)
--continued
(11)
(12)
(27)
(29)
(30)
(32)
(37)
To turn off whistle.
(37)
If reducing station fails to supply air to air tools, open
To operate air tools.
(2)
(31)
valve (31) slightly, so relief valve does not pop
(4)
(32)
off. Close valve (27).
(5)
(6)
(8)
(9)
(11)
(12)
(27)
(29)
(30)
(34)
(35)
To turn off air tool supply.
(34)
(35)
To operate sea chest blowout lines.
(2)
(26)
1.
Before turning on sea chest blowout valves, close
(4)
(24)
the sea chest suction valves. Operate blowout
(5)
valves until bubbles appear beside ship. This is
(6)
an indication that the sea chest is free of
(8)
restrictions.
(9)
(11)
2.
If reducing station fails to supply air to blowout
(12)
valves, open valve (26) slightly so relief valve
(25)
does not pop off. Close valve (25).
(23)
(22)
(19)
(16)
(17)
(18)
(38)
To turn off blowout supply lines.
(19)
To operate ship's service air line.
(2)
(24)
If reducing station fails to supply air to ship' service
s
(4)
(26)
air lines, open valve (26) slightly so relief valve
(5)
does not pop off. Close valve (25).
(6)
(8)
(9)
(11)
(12)
(22)
(23)
(25)
(21)
(20)
To turn off ship's service supply lines.
(21)
To prevent loss of air during overnight docking.
(5)
Open these valves when ready to start.
.
(6)
(8)
(11)
c. Air Compressor Operation. The two identical
compressors are controlled from individual controllers,
each wired for manual or automatic operation. The
electric motor driven air compressors are located on
automatic feature includes individual pressure switches;
starboard side of the engine room forward of the main
the no. 1 switch starts its compressor at 230 psi and
electrical control panel. They are two stage, aircooled
secures
type, each with a capacity of 22 cfm at 250 psi. The
2-37
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