Quantcast Figure 2-11. Hydraulic starting system solenoid control valve, hull numbers 8540 thru 8560 and 8580 thru 8618.

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TM 55-1905-217-12
ME 1905-217-12/2-11
Figure 2-11. Hydraulic starting system solenoid control valve, hull numbers 8540 thru 8560 and 8580 thru 8618.
(a) Pull out access plate in deck over
2-5.
Operation of Landing Craft
one rudder stock.
a. Normal Operation. Refer to figure 2-35 or 2-36,
as applicable.
(b) Insert emergency tiller (fig. 2-37) at
b. Emergency Engine Controls. Auxiliary controls
open rudder stock.
for emergency shifting and throttle control are located in
the engine room. See figure 2-6.1 or 2-7.1 for hull numbers
(c) Enter the lazarette and pull out eye
8540 thru 8560 and 8580 thru 8618.
pins to disconnect the hydraulic cylinders and tie rod.
NOTE
2-6.
Operation of Ramp Hoist
If it is necessary to shut down one
a. General.
engine of a propulsion unit, push the
neutral shift lever forward.
(1) On hull numbers 8500 thru 8518 the ramp
c. Emergency Steering.
hoist system supply valve, located at the bottom of the
ramp hoist system tank, must be open at all times when
(1) If one steering pump or one engine should
equipment is operating. Close valve only for periods of
fail, the steering system will continue to operate. On hull
maintenance or prolonged shut down.
numbers 8500 thru 8519, close the shut-off valve (fig. 2-23)
for the pump that is not operating.
(2) Check filter (fig.
2-29) and strainer
(2) If both steering pumps or the engines
indicators (fig.  2-38) when in operation.  Shut down
should fail, steering can be accomplished by turning the
system and clean filter or strainer when indicator shows
steering wheel so the helm unit will act as a pump to
that oil is bypassing the element (red indicator).
actuate the steering cylinders.
(3) Operate only one ramp hoist pump at a
NOTE
time. On hull numbers 8540 thru 8560 and 8580 thru
8618, the system will operate with one engine-driven
Hull numbers 8500 thru 8519.  Close
pump in operation; however, if maximum ramp hoist rate
both shutoff valves (fig. 2-33) if both
is required, both pumps must .be in operation.
pumps or both engines fail.
(3) In case of failure of all hydraulic steering,
use the emergency tiller as follows:
2-15


 


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