TM 55-1520-240-23-7
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MISCELLANEOUS INSTRUMENTS
(Continued)
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TRANSMISSION OIL TEMPERATURE INDICATING
AND CAUTION SYSTEM
Description
This system includes the transmission oil temperature
indicating system and a transmission oil temperature
caution system for the main oil lubrication system.
NO BREAK - WORK HARDER
The indicating system includes the transmission oil
temperature selector switch and indicator, clamp
mounted on center instrument panel and five
temperature probes, one in each transmission sump.
The indicating system is powered by 115 vac.
NO BREAK - WORK HARDER
The indicating system senses oil temperature in the
five transmissions and indicates the highest of the
five temperatures or the oil temperature in a selected
transmission.
NO BREAK - WORK HARDER
Temperature probe resistance is proportional to oil
temperature and is displayed on the cockpit indicator.
NO BREAK - WORK HARDER
A monitor provides two indications if a temperature
probe is open or shorted. When the selector switch
is at SCAN the indicator pointer will indicate above
full scale. When the selector switch is at the position
corresponding to the defective bulb, the pointer will
indicate below -70ºC.
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