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 TM 55-1905-223-10
(11)
Close all valves in the bilge/ballast/piping system.
b.
Deballast Operation Perform deballast operations as follows:
.
(1) Close all valves in the Bilge/Ballast Piping Syst (FIGURE 2-160).
em
(2) Open BB-24, SUCT-BILGE/BALLAST PUMP (20).
(3) Open BB-27, TO OVBD DISCH (8).
(4) Open BB-18, OVBD DISCH (7).
(5) Select tanks to be deballasted.
(a) To deballast SW1,
1
Open BB-15, SUCT FM SW-1 and SQ-2S and SW-2P (1).
2
Open BB-l, ISLN TK SW-1 (37).
(b) To deballast SW-2 tanks,
1
Open BB-15, SUCT FR SW-1 and SW-2S and SW-2P (1).
2
To deballast port SW2 tank, open BB-2, ISLN TK SW-2P (36).
3
To deballast starboard SW2 tank, open BB-3, ISLN TK SW-2S ).
38(
(c) To deballast SW5 tanks,
1
Open BB-7, SUCT FR SW-5S and SW-5P (3).
2
To deballast port SW5, open BB-4, ISLN TK SW-5P (40).
3
To deballast starboard SW5, open BB-5, ISLN TK SW-5S (39).
(d) To deballast SW8 tanks,
1
Open BB-11, SUCT FR SW-8S and SW-8P (2).
2
To deballast SW8 port, open BB-20, ISLN-TK SW-8P (35).
3
To deballast SW8 starboard, open BB-21, ISLN-TK SW-8S (19).
(6)
Activate tank level indicator.
(7)
On Bilge/Ballast Pump Motor Controller (FIGURE 2-161), scitcuit breaker (1) to ON position, press
er
START pushbutton (2).
(8)
When selected SW tank has reached the required level, press STOP pushbutton (3).
(9)
Close all valves in the bilge/ballast piping system.
2-453
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