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 TM 55-1905-220-14-2
2-84. SEWAGE TANK FLUSHING.
a.
Salt water flushing of the sewage tank is provided by the firemain system.
b.
The water flushed from the sewage tank can be either:
Discharged from the craft for on shore disposal from
either port or starboard deck valves.
Discharged overboard on the port side.
To avoid a health hazard, do not discharge sewage
in restricted waters.
c.
The fire pump must be in operation to flush the sewage tank.
Refer to paragraph 2-77 for operating instructions.
d.
Refer to FO-40 for sewage tank flushing and refer to paragraph 2-106 for
sewage system operation.
e.
To flush the sewage tank proceed as follows:
(1)
On Deck - Port or Starboard.
(a) Connect the sewage discharge hose to the sewage discharge
deck connections.
(b) Connect the other end of the hose to the deck sewage
system.
(c) Open port or starboard discharge valve (1).
(2) Equipment and Repair Parts Stores (2-40-0-A).
(a) For starboard deck discharge.
Rotate three-way valve (2) counter-clockwise.
(b) For port deck discharge.
1 Rotate three-way valve (2) clockwise.
2 Rotate three-way valve (3) clockwise.
(c) For overboard discharge.
1 Rotate three-way valve (2) clockwise.
2 Rotate three-way valve (3) counter-clockwise.
2-523
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