TM 55-1930-209-14&P-2
d.
Open or close seawater valves as follows:
o = open
x = closed
- = not affected
Seawater (SW) valve no.:
Supplying seawater to:
1
2
3
9
10
16
17
20
21
24
25
Both ROWPU units
o
0
-
o
o
o
o
o
o
o
o
ROWPU 1 only
o
x
-
o
-
o
-
o
o
-
x
ROWPU 2 only
x
o
-
o
-
o
-
o
o
x
o
NOTE
In addition to the following procedures, seawater pumps can be started and
stopped at local control switches in void 2 starboard.
e.
Make sure switchboard circuit breakers P6 and P7 are closed (ON).
f.
To supply seawater to both ROWPU's, start seawater pumps 1 and 2 by turning seawater pump OFF/ON/START
switch to ON at ROWPU 1 and ROWPU 2 control stations. To supply seawater to only ROWPU, turn appropriate
switch to ON.
g.
Start ROWPU system according to TM 55-1930-209-14 & P-3.
h.
While operating, perform during operation checks in paragraph 4-3.
3-3.1.2 Alternate procedures
NOTE
Alternate procedures may be followed when normal procedures cannot be used
due to maintenance or component breakdown. See Figures 1-3 thru 1-1 for
seawater valve locations.
a.
Perform steps a and b in paragraph 3-3.1.1.
b.
Close seawater valves SW7, SW8, SW13, SW18, SW26, SW27, and SW29.
c.
Open or close seawater valves as follows:
o = open
x = closed
- = not affected
SW valve no.:
Supplying seawater to:
1
2
3
9
10
16
17
20
21
24
25
ROWPU 1 from SW pump 2
o
0
-
o
o
o
o
o
o
o
o
ROWPU 2 from SW pump 1
o
x
-
o
-
o
-
o
o
-
x
d.
Perform steps e thru h in paragraph 3-3.1.1.
3-3.2 Supplying seawater to ROWPU's from starboard shell penetration (shallow water) using seawater pump(s)
1 and/or 2
3-11
