COUPLING 1804712 - Caterpillar

Illustration 1 g00644324
(1) Transmission oil cooler (2) Transmission cooler inlet valveTransmission oil cooler (1) is mounted along the right side of the engine. Engine coolant goes through transmission oil cooler (1) in order to cool the oil. Oil from the transmission scavenge section of the transmission gear pump will flow to transmission oil cooler (1). The oil will flow from transmission oil cooler (1) to the transmission section of the hydraulic tank. If transmission oil cooler (1) becomes blocked, transmission cooler inlet valve (2) will open. When transmission cooler inlet valve (2) is open, the oil will flow to the transmission section of the hydraulic tank.