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PINION AS-TURN 2389586 - Caterpillar

2389586 PINION AS-TURN Caterpillar parts PINION
Alternative (cross code) number:
Caterpillar 2389586 PINION AS-TURN
Weight: 2 pounds 1 kg.

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Illustration 1 g01201013
Components of the transfer gears
(1) Shims
(2) Drive gear
(3) Yoke
(4) Driven gear
(5) Case
(6) Shims The transfer gears are in the transfer gear case that is fastened to the front of the transmission case. The drive shaft connects the torque converter to yoke (3).Yoke (3) is connected to drive gear (2) by splines. The teeth on drive gear (2) are engaged with the teeth on driven gear (4). Driven gear (4) is connected by splines to the input shaft of the transmission.Yoke (3) turns drive gear (2). Drive gear (2) turns driven gear (4). Driven gear (4) turns the input shaft of the transmission.Shims (1) are used to make adjustments to the end play of drive gear (2). Shims (6) are used to make adjustments to the end play of driven gear (4).Oil for the lubrication of the transfer gears comes from the transmission lubrication circuit. The oil comes through a passage in the transmission case to a passage in transfer gear case (5). Some of this oil goes into a tube assembly. The tube assembly sprays oil on drive gear (2) and on driven gear (4). The gears throw the oil around inside transfer gear case (5). This provides lubrication for the bearings in the transfer gear case. The extra oil in the bottom of transfer gear case (5) goes through a drain passage into the transmission case.

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