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 TM 55-1905-242-14
0023 00
LOWERING THE BOW RAMP (continued)
3.
Ensure that the hand pump bypass valve (18) is OPEN.
4.
Remove the load binders (19), one port and one starboard, from the ramp.
5.
Position the hydraulic diverter valve (20) for RAMP operation (valve handle in line with piping).
NOTE
Ramp operation may be accomplished using one or both propulsion engines and ramp
pumps. Fastest ramp operation is obtained with both ramp pumps directed toward the
ramp. The ramp may be operated on only one pump when the other pump is needed for
bilge pump or crane operation.
6.
With the propulsion engine(s) running between 1200 to 1500 r/min, engage the PTO clutch lever (21) (shift lever aft) to
start the ramp pump (22).
21
20
22
! CAUTION
If the ramp control lever is not returned to NEUTRAL after operating the ramp, damage
to the hydraulic ramp machinery will result.
7.
To lower the ramp, move the ramp control lever (23) to RAMP DOWN position. When the ramp is lowered to the desired
level, move the ramp control lever (23) back to the NEUTRAL position.
0023 00-9
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