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Page Title:
Stern Ramp Emergency Operation. |
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 TM 55-1915-200-10
2-7.10. Stern Ramp Emergency Operation.
NOTE
The failsafe brakes (23, Sheet 1 of 2)
NOTE
will be released by hydraulic
If the stern ramp winch fails, the
pressure when the control lever (28,
stern ramp may be lowered and
Sheet 2 of 2) is moved from the
raised using the stern anchor winch.
neutral position. The brake will be
The following procedures describe
reapplied when the control lever (28)
the emergency operations.
is returned to the neutral position.
WARNING
g. Continue raising ramp until it comes into contact
with the bow seal.
Inspect the winch (FIGURE 2-236) and
components
for
damage
prior
to
h. Apply port and starboard bow ramp winch
operation.
brakes by turning handwheels (14, Sheet 1 of 2)
clockwise.
Do not operate
winch
with
guards
removed.
i. Turn off power to windlasses by pressing red
stop button (24).
Keep all personnel clear of moving winch
and wire rope. Never attempt to guide
j. Install bow ramp ladder (5, FIGURE 2-234) to
rope onto spools.
port ladder bracket (6).
Never wear loose clothing or jewelry while
k. Connect the port upper and lower ratchet dogs
operating winch.
(4, FIGURE 2-235) to the ramp with shackles.
Never operate the winch alone.
1. Tighten ratchet dogs (4).
Never leave
controls
while
winch
is
m. Move the ladder (5, FIGURE 2-234) to the
starboard ladder bracket (6).
operating.
n. Connect the starboard upper and lower ratchet
CAUTION
dogs (4, FIGURE 2-235) to the ramp with shackles.
These procedures require four
o. Tighten ratchet dogs (4).
persons:
a winch operator, two
persons on main deck, and an
p. Engage the port and starboard locking bars (2)
observer.
by turning the locking bar wheel (1) clockwise.
q. Disengage port and starboard winch clutches
2-7.10.1. Lowering Ramp. (FIGURE 2-236)
(11, FIGURE 2-233, Sheet 1 of 2) which disconnect
windlass drive from the winches.
a. Turn handle (11, Sheet 1 of 4) clockwise (1500
psi) to set brake on main spool.
b. Depress START button (8) to turn power on.
2-606
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