Lowering Bow Ramp.

TM 55-1915-200-10

could occur if fluid is not filtered

properly.

WARNING

h. Check filter condition indicator (38, Sheet 4

* Before operating bow ramp winch,

of 4) for reading in the FILTRATION (Green) quadrant.

be sure personnel and foreign

objects are clear of wire rope drum,

wire rope, bow ramp and related

NOTE

components.

Moving winch and

ramp parts can cause serious injury

Both port and starboard bow ramp

or death.

assemblies will be operated at the

same time when controlled by the

* High pressure hydraulic systems

single bow ramp winch control valve

can cause serious personal injury in

(16, Sheet 2 of 4), located on the port

the event of equipment failure. Shut

forecastle deck.

down hydraulic unit operation by

pressing STOP button (36, Sheet 4 of

2-5.17.2.2. Lowering Bow Ramp.

4) if system pressure exceeds 3000

psi.

a. Complete pre-operation check of controls as

prescribed in paragraph 2-5.17.2.1.

f. Depress hydraulic pump START button (35,

FIGURE 2-159, Sheet 4 of 4). If motor fails to start,

WARNING

reset motor controller by depressing PUSH TO TRIP

button (33, Sheet 4 of 4).

Before operating bow ramp winch,

be sure personnel and foreign

objects are clear of wire rope drum,

NOTE

wire rope, bow ramp and related

components.

Moving winch and

Operator may also start or stop

ramp parts can cause serious injury

hydraulic unit from remote controls

or death.

(30 and 31, Sheet 3 of 4) located at

port bow ramp winch assembly.

NOTE

g. Check system hydraulic pressure gauge (37,

This procedure requires four crew

Sheet 4 of 4) for reading above designed operating

members: two on main deck, one on

pressure of 2000 psi. Immediately shut down system by

pressing STOP button (36, Sheet 4 of 4) and notify unit

port forecastle deck, and one on

maintenance.

starboard forecastle deck.

b. Turn locking bar wheel (1, FIGURE 2-160,

CAUTION

Sheet 1 of 2) counterclockwise to release port and

starboard drum brakes.

Shut down hydraulic unit operation

c. Move winch control handle (16, FIGURE 2-

by pressing STOP button (36, Sheet

159, Sheet 2 of 4) to the right to haul in and tension wire

4 of 4) if filter condition indicator

ropes to ramp.

needle appears in the CHANGE

(Yellow) or NO FILTRATION (Red)

d. Jog winch until strain is relieved from ratchet

quadrant. Damage to hydraulic unit

dogs (4, FIGURE 2-160, Sheet 1 of 2) and locking bars

(2).

2-454