TM 5-3805-258-24-1POWER TRAINTRANSMISSION HYDRAULIC SYSTEMPOWER TRAIN OIL COOLERPOWERTRAINOIL COOLER1. Oil cooler. 2. Torqueconverter outlet. 3. outletpassage.Coolant from the engine comes in at the end. Thecoolant goes through the many long tubes that are incooler (1). After the coolant goes through the tubes,it goes out through the other end of the cooler andreturns to the engine cylinder block.S Y S T E M S O P E R A T I O NTRANSMISSIONOIL COOLER(SCHEMATIC)1. Oil cooler.comes in at the side of the cooler. The flow of oil isaround and along the many tubes inside the cooler. Inthis procedure, heat is removed from the oil and isgiven to the coolant of the engine. The engine coolantgoes through the tubes inside the cooler and takes theheat from the oil. The coolant is then cooled by thecooling system of the engine.After the oil goes along the tubes in the cooler, itgoes out through the outlet passage at the bottom andhas a lower temperature. The colder oil then goes tothe transmission for lubrication and cooling.Hydraulic system oil with a high temperaturecomes from torque converter outlet (2). This oil3-29
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