TM 55-1930-203-10
operating in water, the LARC's response to throttle and steering controls will be entirely different than when operating on land. Do not
use the procedures for land operation when in the water.
2-36. Preparation for Marine Operation
a. Preliminary Operation. Prior to entering the water, perform operations listed below:
(1) Warm up engines (para 2-30).
(2) Inflate or deflate the tires for operation anticipated landing terrain.
NOTE
If the terrain or beach contour on which the
LARC will be landing is unknown or doubtful,
depress and lock the tire inflation check valve (fig.
inflated or deflated by the tire inflation control
valve lever (11, sheet 1, fig. 2-1) in cab. After
landing, release the tire inflation check valves.
(3) Only under conditions of smooth sea, light load, and high summer temperatures should the LARC enter the water with
hatches or scuttles open. Under all other conditions, hatches and scuttles should be closed.
WARNING
Close ail drain valves prior to entering water.
b.
Safety. Perform the following check before entering the water:
(1) Check that all life preservers, life rings, life raft, and other protective accessories are aboard.
WARNING
During marine operations, life pre-
servers will be worn by all personnel
aboard except when in engine room or in
cab. Passengers are required to wear life
preservers at all times while the LARC
is afloat.
(2) Inspect hull for damage.
(3) Insure that all hull drain valves (fig. 2-8) are closed.
(4) Check that cargo is loaded correctly. With a 60-ton load evenly distributed, the draft mark will be approximately 8 1/2
feet. With an emergency 100-ton load, when water is calm and the load is evenly distributed, the draft mark will be approximately 10
1/2 feet (fig. 2-17).
(5) Verify that all bilge and cargo well pumps are operative.
(6) Verify that all marine equipment is aboard and properly stowed.
2-31
