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TM 55-1905-223-10
SECTION IV. OPERATION UNDER UNUSUAL CONDITIONS
Para.
Page
General .............................................................................................................................. 2-641
Power Generation ................................................................................................................2-641
Gyro Compass .....................................................................................................................2-642
Steering System Failure.......................................................................................................2-648
Halon 1301 Fire Suppression System .................................................................................2-651
Deballasting Using Fire Pumps............................................................................................2-654
Bow Ramp............................................................................................................................2-663
Main Engine Cold Weather Starting.....................................................................................2-669
Rigging the LCU To Be Towed ............................................................................................2-682
Firefighting System Operation .............................................................................................2-685
Launch and Retrieve Workboat In Heavy Weather .............................................................2-704
Launch Liferafts....................................................................................................................2-707
Nuclear, Biological and Chemical (NBC) Decontamination Procedures .............................2-707
Heavy Weather Preparations...............................................................................................2-709
Transfer of Fuel Using Hand Pump .....................................................................................2-710
Shore Power Connections ...................................................................................................2-717
Emergency Control for AHEAD Only ...................................................................................2-720
FM-200 Fire Suppressant System .......................................................................................2-721
Water Washdown System (WWS) .......................................................................................2-741
2-46.  General. This section contains operating procedures for individual equipment during periods of
equipment failure and periods of unusual weather conditions.
2-47.  Power Generation. Normal power from ship service generator, through the main switchboard,
keeps the main and emergency switchboard bus tie circuit breakers closed. This voltage is also applied
to the emergency switchboard emergency generator circuit breaker, to prevent it being closed. In the
event of ship service power failure, the main switchboard and emergency switchboard bus tie circuit
breakers will open. Simultaneously, several actions take place: (1) A mechanical dead bus timer will
start, energizing the autocrank circuit of the emergency generator; (2) Batteries will provide power to
emergency communications and lighting circuits; (3) The dead bus timer starts a 45-second time delay
allowing the emergency generator on the emergency switchboard. These actions do not require operator
intervention.
a. Emergency Equipment Available. When the emergency generator is supplying power to the
emergency switchboard, the following equipment is operable:
(1)
Emergency generator jacket water heater
(2)
Fuel oil transfer pump number 2
(3)
Starboard steering gear system
(4)
Radio communication system
(5)
Wheelhouse lighting system
(6)
Wheelhouse intercommunications/lighting panel
(7)
Emergency lighting below main deck
(8)
Battery chargers


 


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