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 TM 55-1905-219-14-2
2-98. BILGE DRAINING (Cont).
(1)
Observe the pressure gauges. If there is a differential pressure of 30 psi between gauges 17 and 18, 18 and
19, 19 and 20, there is a clogged filter problem as follows:
17 and 18 - First Stage (prefilter)
18 and 19 - Second Stage
19 and 20 - Third Stage
(m) When the desired level in the bilges is reached,
1
Place the SUPPLY PUMP switch (14) in the OFF position.
2
Lamp (15) will go out.
3
Place the AUTO-CONTROLS switch (12) in the OFF position.
4
Lamp (13) will go out.
2-99. USED ENGINE OIL.
a.
The oil/water separator is used to remove oil pumped from the diesel engines, and oil drained from other
devices. The oil is removed by hoses located in both the forward and aft engine rooms. A holding tank located in the aft
engine room holds 25 gallons (94.6 liters) of used oil. If the used oil will overfill the holding tank, the used oil can be
pumped into a container located on the deck. To remove used engine oil refer to Figure FO-52 and proceed as follows'
2-443
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