Fig. 118 Lubricating Oil Temperature Control System
a sensor at the inlet to the engine. This valve should fail safe with all the oil going
through the cooler. In some arrangements the filters are placed after the coolers.
Temperature monitoring would be carried out on the common inlet temperature,
thrust inlet temperature, and blower outlet temperatures, all having alarms for
high temperature. Low pressure is monitored at the common inlet to the engine
with alarm and slowdown or shut down of the main engine. In some cases there
may be an alarm only for low pressure on all supplies other than to the main
bearings ...
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