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 TM 55-1925-273-10-2
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER UNUSUAL CONDITIONS
EMERGENCY BILGE PUMPING USING FIRE AND GENERAL SERVICE PUMPS
INITIAL SETUP:
Personnel Required:
References:
One Watercraft Engineer, 88L
WP 0071 00 (volume 1)
WP 0079 00 (volume 1)
GENERAL
In the event that the bilge pump is disabled, fire and general service pump 1 has the capability to temporarily replace the
bilge/ballast pumps when pumping the bilges directly overboard.
! CAUTION
Using fire and general service pump No. 1 to pump bilges may contaminate the piping in the fire
and general service system that can cause damage to other systems such as the reverse osmosis
water purification system. This procedure should only be used in cases of extreme necessity or
in an emergency.
PREPARE FOR SYSTEM OPERATION
1.
CLOSE the following valves:
a.
FM-16, FIRE/G..S. PMP No. 1 DISCH TO FM (figure 1, item 1)
b.
FM-17, FIRE/G.S. PMP No. 1 DISCH TO GS (figure 1, item 2)
c.
FM-2, SEA SUCT. FIRE/G.S. &BLST PMPS. (figure 2, item 1)
d.
HIGH LEVEL SEACHEST CROSS CONNECT (figure 2, item 2)
e.
BB-35, B/B PMP No. 1 BLST. TO MANF. (figure 3, item 1)
f.
BB-33, B/B PMP. No. 2 BLST TO MANF. (figure 3, item 2)
g.
BB-34, B/B PMP. No. 1 OVBD DISCH. (figure 3, item 3)
h.
BB-32, B/B PMP No. 2 OVBD DISCH (figure 3, item 4)
i.
BB-28, BILGE-ENG.RM. EMER SUCT. (figure 3, item 5)
j.
BB-25, BLST MANF TO PMPS OUTLT (figure 3, item 6)
2.
OPEN the following valves:
a.
FM-6, FIRE/G.S. PMP No. 1 SUCT (figure 2, item 3)
b.
FM-8, EMG. BILGE OVBD (figure 3, item 7)
c.
FM-31, OVBD. DISCH (figure 3, item 8)
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