TM 55-1930-209-14&P-1
h.
On Barge 1, position valve DW12 for discharge pump 1 or 2. On Barges 2 and 3, open valve DW12 and close
DW18 to use discharge pump 1. Open valve DW18 and close DW12 to use discharge pump 2.
i.
Start discharging drinking water and monitor water being discharged as given in steps g thru i in paragraph
14-11.3.
j.
Stop discharge pump operation as necessary, by setting HAND/OFF/AUTO switch to OFF.
k
Close valve DW15.
I.
Disconnect fill hose.
m.
Reinstall cap.
n.
Close valve DW19 (Barges 2 and 3 only).
14-11.4.2 Emptying storage tanks by discharging overboard
a.
Open appropriate valve(s) of storage tank(s) to be drained, as shown in table below:
Tank no.:
1
2
3
4
Valve no.:
DW12
DW14
DW8
DW9
b.
Close valve DW14 (Barges 2 and 3 only)
c.
Remove protective cap from discharge line at valve DW15 and open valve.
d.
Set shore discharge pump selector switch (Figure 14-5) to pump 1 or 2.
e.
Open valve DW19 on Barges 2 and 3. On Barge 1, position valve DW14 to port discharge.
NOTE
To prevent low level alarm from sounding and flashing while tank is being emptied,
ALARM RELAY circuit breaker 4P14 on 24 Vdc power panel must be open (OFF).
f.
On Barge 1, position valve DW12 for discharge pump 1 or 2. On Barges 2 and 3, open valve DW12 and close
DW18 to use discharge pump 1. Open valve DW18 and close DW12 to use discharge pump 2.
g.
Close switchboard circuit breaker P9 for shore discharge pump 1 or circuit breaker P15 for shore discharge pump
2.
h.
In void 3 port, on shore discharge pump motor controller for pump selected in d, start pump by setting
HAND/OFF/AUTO switch to HAND.
i.
Start discharge pump by pushing START button on motor controller.
CAUTION
While emptying storage tank(s), with alarm circuitry turned oft, liquid level
Indicator on tank(s) must be observed to prevent running pump dry.
j.
When tank is dry, set HAND/OFF/AUTO switch on motor controller to OFF.
k.
Close valves DW15 (all barges) and DW19 (Barges 2 and 3 only).
I.
Reinstall cap on overboard discharge outlet.
14-23
