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 Operation
Open valve
Procedure
Fill aft peak ballast tank.
(1)
Start bilge pump. Take soundings of aft peak tank (fig. 2-27).
(5)
When filled to required level, secure pump. Secure all valves.
(6)
(11)
Fill fuel oil tank No. 1 with ballast.
(1)
Before filling fuel oil tank No. 1 with ballast, transfer any fuel oil
(5)
to the other tanks (para. 2-12). Start bilge pump and fill tank
(6)
as required. When the bow rides properly, the tank can be cut
(15)
off from valve (19). Secure pump. Secure all valves.
(19)
CAUTION
Keep fuel oil tank No. 1 valves (15 and 16) wired closed
when not in use to prevent contamination of fuel oil .
Empty fore peak tank.
(18)
Start bilge pump. Take soundings of fore peak tank (fig. 2-26).
(17)
When emptied to required level, secure pump. Secure all
(14)
valves.
(5)
(6)
(20)
Empty aft peak tank.
(12)
Start bilge pump. Take soundings of aft peak tank (fig. 2-27).
(5)
When emptied to required level, secure pump. Secure all
(6)
valves.
(20)
Empty ballast from fuel oil tank No.
(19)
Start bilge pump and empty tank as required. Use valve (19) to
1.
(16)
cut off flow when bow rides properly if desired. If emptying
(5)
tank completely, be sure that tank is dry before filling with fuel
(6)
oil (para. 2-12). Secure pump. Secure all valves
(20)
CAUTION
Keep fuel oil tank No. 1 valves (15 and 16) wired closed
when not in use to prevent contamination of fuel oil.
Transfer ballast from fore peak tank
(18)
Start bilge pump and take soundings of both fore and aft peak
to aft peak tank.
(17)
tanks. (figs. 2-26 and 2-27). When required transfer is com-
(14)
plete. stop pump and secure all valves.
(5)
(6)
(11)
Transfer ballast from aft peak tank
(12)
Start bilge pump and take soundings of both fore peak and aft
to fore peak tank.
(5)
peak tanks. When required transfer is complete, secure p mp.
u
(6)
Secure all valves.
(13)
(17)
(18)
Emergency bilge suction using fire
(4)
Use fire pump in conjunction with normal bilge pumping
pump.
(10)
operations. Start fire pump and open valves between fire pump
and fire nozzles.
2-51
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