TM 55-1930-208-10
SECTION IV. OPERATION UNDER UNUSUAL CONDITIONS
Para.
Para.
Operation in Extreme Cold ................................ 2-17
Operation in Extreme Heat ................................ 2-16
2-16. OPERATION IN EXTREME HEAT.
Operation in extremely high temperatures (tropical or semi-tropical) will present no particular difficulties. It should be
remembered that at higher temperatures a gasoline cargo will tend to give off more vapors than other liquid cargos and
suitable precautions should be taken.
2-17. OPERATION IN EXTREME COLD.
a. Freezing rain or snow may cause malfunctions of:
argo valve reach rods
C
llage covers
U
afety vents
S
eck tackle
D
b. Keep all moving parts free of snow, ice, or slush.
c. If parts freeze, rock parts back and forth to break ice. Never use a flame to melt ice.
d. If deck becomes slick with ice:
ecure chain side rails around deck.
S
ecure additional safety lines on deck as necessary.
S
e. An accumulation of snow or ice is a menace to the stability of the vessel. Snow and/or ice must be removed from
deck and structures. Break ice with a sledge and heave overboard.
f. Drain bilge pump lines if sub-freezing temperatures are anticipated. Drain by lifting the check of the nonreturn
valve in the suction bell off its seat.
g. It is not advisable to attempt starting the diesel engine at temperatures below 10 (-23 ) without the use of the
F
C
ether starting aid.
h. Keep engine in best mechanical condition.
i. Take special precautions to minimize the danger of condensation in the fuel system freezing and blocking fuel
flow.
2-27
