TM 55-1930-209-14&P-2
CHAPTER 3 OPERATING INSTRUCTIONS
Section I. Operating controls and indicators
3-1 Operating controls and indicators. Operating controls and indicators are listed in Table 3-1 and shown in Figures
3-1 thru 3-3. Information on ROWPU and ballast seawater supply valves is in Table 3-2. Location of valves is shown in
Figure 1-3. Information on air conditioning and chlorination cooling flow valves is in Table 3-2. Location of these valves is
shown in Figure 1-5. Information on generator cooling flow valves is in Table 3-2. Location of these valves is shown in
Figure 1-6.
Section II. Prestart procedures
3-2 Prestart procedures
a.
Check seawater system for damage prior to any operation.
b.
Perform before operation checks in paragraph 4-3.
c.
Provide power to ROWPU 1 and 2 control stations by closing (ON) switchboard circuit breakers P6 and P7.
d.
Provide power to cooling pump controller by closing (ON) power panel 1 circuit breaker 1 P5.
Section IIl. Operating procedures
3-3 Normal and alternate operating procedures
WARNING
Do not open seachest valves SW1, SW2, or SW3 unless valve SW30 Is open to vent
seachest to the atmosphere.
CAUTION
Seawater being supplied to ROWPU's must not be contaminated with oil,
detergents, chlorine, or other foreign matter. Contaminated seawater could
damage ROWPU membranes.
Water below barge seachests must be deep enough to ensure that sand and other
foreign matter are not sucked into the system with the seawater.
NOTE
Deep water Is defined as water 15 feet deep or more. Shallow water is defined as
water less than 15 feet deep.
a.
Supplying seawater to ROWPU's is covered in paragraphs 3-3.1 and 3-3.2.
b.
Supplying seawater for chlorination unit is covered in paragraphs 3-3.3 and 3-3.4.
c.
Supplying seawater for filling and draining ballast tank is covered in paragraphs 3-3.5 and 3-3.6.
d.
Supplying seawater for cooling air conditioner and chlorination unit using air conditioning cooling pump is covered
in paragraph 3-3.7.
e.
Supplying seawater for cooling diesel engine generators is covered in paragraph 3-3.8.
f. Seachest blowdown is covered in paragraph 3-3.8.
3-1
