TM 55-1905-221-14-1
4-61. TRANSMISSION OIL COOLER.
a. To provide additional cooling for the lubricating oil used in the torqumatic marine gear, a separate oil cooler is
mounted on each engine. Thus, sufficient additional cooling is provided to Insure that normal operating temperatures
are maintained in the marine gear oil system under all conditions of speed and load in both forward and reverse.
b. Oil is drawn through the oil strainer from the marine gear oil sump by the marine gear oil pump an then is
d
circulated through the oil filter and oil cooler to the selector control valve.
c. The oil cooler element should be removed and cleaned periodically, or at the time of each engine or marine
gear overhaul to prevent overheating of the marine gear oil.
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