TM 55-1930-209-14&P-2
3-3.2.1 Normal procedures
NOTE
See Figures 1-3 thru 1-1 for seawater valve locations.
a.
Perform before operation checks in paragraph 3-3.1.1.
b.
If seawater is to be supplied to chlorination unit when cooling pump is not being operated, set seawater pressure
regulator to 10 psi and open seawater valve SW48 in void 2 port. To supply cooling water to air conditioner, open
seawater valves SW47 and SW28 (Barges 2 and 3 only).
c.
Close seawater valves SW7, SW8, SW18, SW26, SW27, and SW29 in void 2. Open seawater valves SW30 thru
SW34.
d.
Open or close seawater valves as follows:
o = open
x = closed
- = not affected
SW valve no.:
Supplying seawater to:
1
2
5
6
9
10
11
12
16
17
19
20
21
22
23
24
25
Both ROWPU units
x
x
o
o
o
o
x
x
o
o
x
o
o
x
x
o
o
ROWPU 1 only
x
x
o
x
o
-
x
-
o
-
x
o
-
x
-
o
x
ROWPU 2 only
x
x
x
o
-
o
-
x
-
o
x
x
o
-
x
x
o
e.
Open seawater valve SW4 in void 2 near starboard shell.
NOTE
In addition to the following procedures, seawater pumps can be started and
stopped at local control switches in void 2 starboard.
f.
Make sure switchboard circuit breakers P6 and P7 are closed (ON).
g.
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 one ROWPU, turn
appropriate switch to ON.
h.
Start ROWPU system according to TM 55-1930-209-14 & P-3.
i.
While system is operating, perform during operation checks.
3-3.2.2 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.
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