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 TM 55-1905-222-14
2-9.7 Emergency Boat Stopping. If the LCM-8 Is traveling forward at cruising speed in the AHEAD mode,
emergency stopping can be accomplished with the propeller shafts as follows:
WARNING
Warn the crew as early as possible before initiating the
EMERGENCY STOP procedure. Failure to comply could result
in injury to personnel due to shifting cargo.
a.
Place both propulsion control levers in the NEUTRAL position until engine speeds fall below 800 RPM.
b.
Shift both propulsion control levers into REV gear position.
c
Increase both engine speeds to maximum speed In the ASTERN mode.
d
When the LCM-8 stops, return both propulsion control levers to NEUTREAL.
e.
Proceed with underway operations.
2-9.8 Propulsion Engine Failure.
2-9.8.1 One Engine Breakdown. In the event of breakdown of either propulsion engine, proceed to moorage
under power of the second engine as follows:
a.
Shut down the malfunctioning propulsion unit (refer to para 2-4.4).
b
Steer the LCM-8 so as to compensate for the drag of the inoperable propeller and shaft.
2-9.8.2 Two Engine Breakdown. In the event of breakdown of both propulsion engines, the LCM-8 will have
to be towed Towing arrangements shall be at the discretion of the coxswain.
WARNING
Secure towing lines only to mooring bitts. Never secure towing
lines to lifelines, handrails or other deck hardware not intended for
mooring purposes. Failure to comply may result in damage to the
vessel and injury or death to personnel.
2-9.9 Transmission Backdriving. All current twin disc production marine transmissions can be backdriven
(propeller windmilling with dead engine) for the following conditions, provided that the vessel speed, when
backdriving the marine transmission does not exceed the normal propulsion speed of the vessel- towing to
deliver a boat, towing home a boat with engine trouble, sailboat auxiliary and multiple screw vessel with
engine(s) shutdown.
Change 6
2-70
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