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 TM 55-1905-219-14-2
2-88. DRAINING BILGE WITH FIRE PUMP AND EDUCTOR.
a.
This method of draining the bilge uses the fire pump and an eductor. The method is for EMERGENCY USE
ONLY. The eductor works on a venturi principal; water from the fire pump creates a suction. This suction drains the
bilges. This method will drain the bilges at 150 gallons per minute (568 liters per minute).
Do not operate this system in restricted waters.
NOTE
All valves on the bilge system are green, except as noted.
b.
To operate the fire pump to drain the bilges refer to Figure FO-44 and proceed as follows:
(1)
Forward Engine Room.
(a)
Place flow control valve (1) lever in the off position.
(b)
Place flow control valve (2) lever in the on position.
(c)
Rotate the remote control valve (3) counter-clockwise.
(d)
Rotate the remote control valve (4) counter-clockwise.
(2) Aft Engine Room.
(a)
Place flow control valve (5) lever in the off position.
(b)
Place flow control valve (6) lever in the off position.
(c)
Rotate the sea chest vent valve (7) counter-clockwise.
(d)
Rotate shutoff valve (8) counter-clockwise.
(e)
Rotate pump suction flow control valve (9) clockwise. Any air trapped in the pump should bleed
off.
(f)
Place (red) check valve (10) lever in the off position.
(g)
Rotate overboard discharge valve (11) counter-clockwise.
2-422
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