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TM 55-1915-200-10
b. Open bilge suction valves (1 and/or 2).
2-5.16. Dirty Oil/Oily Bilge Piping System. (FIGURE 2-
158) 2-5.16.1. Start Operation.
c. Open discharge valve (7) to sludge tank.
a. Close all valves in dirty oil/oily bilge piping
d. Open overboard discharge valve (17).
system. Refer to FIGURE 2-158.
e.  Open discharge valve (18) to oil content
b. Open discharge valves (6, 9, 12, 14, 26, and
meter in bilge alarm panel (19).
35) as needed to drain sumps of main engines,
reduction gears, ship service diesel generators or
f. Open freshwater back flush valve (15).
lubricating oil setting tank..  Close discharge valves
when sumps are empty.
g.  Set OFF/ON switch to ON position (8,
c.
Connect discharge hose to discharge
connection on the main deck.
d. Open sludge tank discharge valve (19).
NOTE
e. Open sludge pump discharge valve (28).
Oily  water  separator  is  now
operating in an automatic mode.
f. Open sludge pump suction valve (31).
2-5.15.2. Manual Backflush Procedure.
g. Depress pump start switch (30).
a.  Set OFF/ON switch to OFF position (8,
h. Observe discharge hose outlet, if no oil is
discharged within 30 seconds, press the pump stop
switch (30). Refer to unit maintenance.
b. Close discharge valve (7, FIGURE 2-156) to
sludge tank.
i.  Determine tank level by sounding tank at
sounding tube (38).
c. Open manual backflush discharge valve (5)
to bilges.
j.  Press pump stop switch (30) when sludge
tank is empty or pump loses discharge output.
d.
Turn  solenoid  of  manually  operated
backflush valve hand wheel (12) in a clockwise
2-5.16.2. Stop Operation.
direction. Handwheel is located on the bottom of the
solenoid valve.
a. Press pump stop switch (30).
b. Close all valves in dirty oil/oily bilge piping
NOTE
Manual backflush is now in progress.
c.
Disconnect and stow discharge hose.
2-443

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