TM 55-1930-209-14&P-2
4-7.2.3.1 Cleaning and inspection
a.
Clean exterior of strainers listed below with brush and hot soapy water or an approved solvent. Wipe dry
with clean cloth. Clean or switch strainer basket as given in paragraph 4-7.2.3.2 below.
STRAINER LOCATION
QUANTITY
Void 2 starboard
2
Void 2 port
1
Void 4 port
1
b.
Visually check for leaks. Replace flange gasket or cover gasket to stop leaks.
4-7.2.3.2 Seawater strainer basket switching and cleaning. When pressure difference (see list below) indicates seawater
strainer must be cleaned, basket must be switched (T-bolt handle or handwheel type) and dirty basket must be cleaned as
follows.
STRAINER LOCATION
PRESSURE GAUGE DIFFERENCE
BARGE
Void 2 starboard
8
1, 2, and 3
Void 2 port
8
1, 2, and 3
Void 4 port
2
2 and 3
a.
Changing flow.
(1)
Loosen diverter plug locking flange by turning locking T-bolt handle/handwheel counterclockwise.
(2)
Turn handle toward clean basket until it stops.
NOTE
Never operate strainer with diverter plug unseated. Sediment may collect under
plug and prevent a tight seal.
(3)
Tighten locking flange by turning locking T-bolt handle/handwheel clockwise to seat diverter plug.
Do not over tighten.
b.
Removing and cleaning strainer basket.
(1)
Loosen yoke screw until yoke swings free.
(2)
Pull basket handle straight up to remove basket.
CAUTION
Do NOT leave basket well open for more than 10 minutes. Diverter plug does not
completely cut off water and water will seep into open well.
Do NOT use any petroleum based products to clean basket. Be careful not to
damage basket. Do not use wire brush.
(1)
Clean basket on weatherdeck with soft brush and flush with drinking water.
(2)
Use compressed air to dislodge difficult particles.
(3)
Flush with drinking water.
(4)
Wipe interior of basket with clean cloth before reinstalling.
4-10
