PLANETARY TRANSMISSIONSYSTEMS OPERATIONTM 5-3805-263-14&P-2Power goes through the No. 1 clutch (FOR-WARD) or the No. 2 clutch (REVERSE) to theNo. 3 and No. 4 carrier (1). The planet gears (4)are turned by the No. 3 and No. 4 carrier (1). Theplanet gears (4) are engaged with the ring gear (6)for the No. 4 clutch and make it turn, The No. 4clutch (5) is not engaged but the ring gear (6) forthe No. 4 clutch is connected to the No. 5 carrier(7) with a spline. Because the No. 5 clutch (9) isengaged and holding the ring gear (8) for the No. 5clutch, the planet gears (25) (turned by the No. 5carrier) make the sun gear (24) turn shaft (20).As the sun gear (24) turns shaft (20), it givesresistance to the planet gears (25) and to the No. 5carrier (7). The ring gear (6) for the No. 4 clutch isconnected to and has resistance to turning by theNo. 5 carrier (7). Because the ring gear (6) for theNo. 4 clutch has a resistance to turning, the planetgears (4) (turned by the No. 3 and No. 4 carrier)make the sun gear (23) turn the shaft (20). Poweris divided between the sun gear (23) and the ringgear (6) for the No. 4 clutch.Shaft (20) turns hub (16) for the No. 7 clutch.The No. 7 clutch (18) is engaged and makes thering gear (15) for the parking brake turn with hub(16). The ring gear (15) for the parking brake isconnected to the output flange (17) and power issent to the differential.2-9
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