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 TM 55-1905-220-14-2
2-96. FILLING BALLAST TANKS - USING GRAVITY.
a. The ballast tanks can be filled by gravity as follows (refer to FQ-51)
NOTE
The tanks will fill to the depth of the water line.
b. Aft Engine Room.
(1)
Rotate vent valve (1) in sea chest, clockwise.
(2)
Place flow control valve (2) lever in the off position.
(3)
Place flow control valve (3) lever in the off position.
(4)
Place flow control valve (4) lever in the on position.
(5)
Place flow control valve (5) lever in the on position.
(6)
Rotate suction valve (6) clockwise to fill the aft ballast t a n k .
c. Crew and Transient Berthing (2-33-2-L).
Rotate drain valve(s) (7) clockwise to fill the starboard or port ballast tank.
d. Peak Ballast (2-12-0-W). Rotate drain valve (8) at frame 12 counterclockwise to fill peak tank.
The ballast tanks can be drained by gravity as follows (refer to FO-51).
NOTE
The tanks wi1l empty to the depth of the water line.
a. Aft Engine Room.
(1)
Rotate vent valve (1) in sea chest, clockwise.
(2)
Place flow control valve (2) lever in the off position.
(3)
Place flow control-valve (3) lever in the off position.
(4)
Place flow control valve (4) lever in the on position.
(5)
Place flow control valve (5) lever in the on position.
(6)
Rotate suction valve (6) clockwise to drain the aft ballast tank.
Change 4
2-551
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