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 TM 55-1905-220-14-2
2-95. BALLAST SYSTEM.
a. The landing craft has four sea water ballast tanks. Refer to table 2-2 for description, location, and capacities.
Table 2-2. Ballast Tank Description
Capacity
Description
Location
Gallons
Liters
Peak
2-8-0-W
2830
10711.6
Starboard
2-18-1-W
3190
12074.2
Port
2-18-2-W
3190
12074.2
Aft
2-66-0-W
2563
9701.0
b. All the ballast tanks are connected to the ballast piping system. (The peak tank may also be filled as per
c. The contents of the ballast tanks is indicated on the tank level indicator (aft engine room) and ballast tank
sounds on the vehicle deck. The sounds are located as follows:
Peak - none
Starboard - frame 23 - 10 feet 4 inches off center
Port - frame 23 - 10 feet 4 inches off center
Aft - frame 66-1\2 16-1\2 inches off center
d. The ballast tanks can be filled or drained by either of two methods; using the fire pump or by gravity.
e. The following are the procedures for filling and draining the ballast tanks.
DESCRIPTION
PARAGRAPH
Filling Ballast Tanks - Using Gravity
Draining Ballast Tanks - Using Gravity
Filling Ballast Tanks - Using Fire Pump
Draining Ballast Tanks - Using Fire Pump
f. The contents of the balIast tanks cannot be equalized.
NOTE
No means of ballast transfer is provided on the landing craft.
Change 4 2-550
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