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 TM 55-1905-220-14-2
2-92. DRAINING BILGE WITH FIRE PUMP AND EDUCTOR.
a.
This method of draining the bilge uses the fire pump and aneductor. The method is for
EMERGENCY USE ONLY. The educator 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 FO-48 and proceed as follows.
(1)
Forward Engine Room.
(a) Place flow control valve (1) lever in the closed position.
(b) Place flow control valve (2) lever in the open 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 closed position.
(b) Place flow control valve (6) lever in the closed position.
(c) Place flow control valve (7) lever in the closed position.
(d) Rotate the sea chest vent valve (8) counter-clockwise.
(e) Rotate shutoff valve (9) counter-clockwise.
(f) Place pump suction flow control valve (10) in the open position. Any air trapped in the pump should bleed off.
(g) Place (RED) check valve (11) lever in the closed position.
(h) Rotate over-board discharge valve (12) counter-clockwise.
(i ) Place flow control valve (13) lever in the closed position.
2-544
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