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 TM 55-1905-221-14-1
b. Engines.
Keep engine compartment as warm as possible without shutting off ventilation completely.
c. Batteries.
(1) Keep batteries fully charged to prevent freezing.
(2) Check specific gravity and adjust to suit particular conditions (TM9-6140-200-15).
(3) Check batteries for correct terminal voltage. It may be necessary to add an additional battery to start the
engine. Disconnect additional battery, if used, as soon as engine has started.
d. Cooling System.
Add anti-freeze to engine fresh water cooling system to prevent freezing (TB750-651).
e. Lubricating Oil System.
Refer to current LO for instructions concerning lubrication of engines during operation in cold weather.
WARNING
Never use a blow torch or other similar means for heating fuel or lubricating lines.
f. Steering System.
Test steering system thoroughly by moving steering wheel from left to right. Turn steering wheel slowly at first to
loosen any ice that may have formed between the hull and rudders at waterline.
g. Hull and Fittings.
(1) Keep caps installed on all hose connections, except when filling.
(2) Remove ice from ladders and passage ways on main deck.
h. Navigation Lights and Horn.
Ice may form on any of these units and prevent proper operation. Carefully remove ice from unit.
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