Bow Ramp Emergency Operation.

TM 55-1915-200-10

2-7.9.1.1. Lowering of Bow Ramp. (FIGURE 2-233)

h. Close all valves in the Fire Bilge pump piping

system (FIGURE 2-231).

a. Apply port and starboard handbrakes (10 and

i. Open overboard discharge valve (5).

14, Sheet 1 of 2) on the windlass and bow ramp winch

assemblies.

j. Open inline stop valve (6).

b. Station two observers aft of the ramp on the

k. Open discharge valve to fire main (7).

main deck to observe ramp operation.

l. Turn emergency fire pump motor controller

c. Turn on power to the windlass hydraulic systems

OFF/ON switch (3, FIGURE 2-92) to ON.

by pressing the black start button (25) located at the port

m. Turn the OFF/ON switch (3, FIGURE 2-92) to

windlasses.

OFF when deballasting is complete, as indicated by a

d. Engage port and starboard clutches (12), which

loss of discharge pressure.

couple the bow ramp winch drums (13) to the windlass

assemblies.

2-7.9. Bow Ramp Emergency Operation.

e. Disengage port and starboard bow ramp winch

WARNING

clutches (20).

Before operating windlass and

f. Disengage port and starboard gypsy clutches

winch, ensure personnel and foreign

(27) to disconnect drive to the wildcats (11).

objects are clear of wildcat, anchor

clam, bow ramp and related

g. Release port and starboard bow ramp winch

brakes

turning

handbrake

wheel

(14)

components.

Moving winch and

counterclockwise.

ramp parts can cause serious injury.

h. Apply tension to the ramp cables by moving

2-7.9.1. Bow Ramp Operation Using Port and

control lever (27) down.

Starboard Anchor Windlasses.

NOTE

CAUTION

The failsafe brakes (23) will be

This

procedure

requires

four

released by hydraulic pressure when

personnel to perform: two to operate

the control lever (28, Sheet 2 of 2) is

the windlasses and two to operate

moved from the neutral position. It

the locking bars, ratchet dogs, and to

will be re-applied when the control

act as observers. Equal haul-in and

lever (28) is returned to the neutral

payout of port and starboard cables

position.

is essential. Failure to follow this

procedure

may

cause

serious

damage to the bow ramp.

i. Apply the port and starboard bow ramp winch

brakes (14, Sheet 1 of 2).

2-600