POWER TRAIN
-
Automatic Transaxle
2-47
POWER TRAIN
Planetary Geartrain Assembly
Front sun
gear assembly
#6
thrust
#7
thrust
rear
annulus
assembly
gear
front
annulus
assembly
The entire planetary gear-train is located behind the
input clutch assembly and is inside the 2-4 and
UR
clutch assemblies. The planetary geartrain
con-
sists of two sun gears, two planetary carriers, two
annulus
(ring) gears, and one output shaft.
2-4 clutch
Low-reverse
Splined to
Front Sun Gear Assembly
The front sun gear assembly rides in the center of the front
carrier and is welded to the center of two hubs that are arranged
back to back. Each of the hubs are splined to a clutch. The
front most hub is splined to the reverse clutch and when applied
turns the front sun gear. The rearward hub is splined to the
2-4 clutch and when applied prevents the front sun gear from
turning.
Front Carrier Assembly
The front planetary carrier and rear
annulus
(ring) gear are
splined together as one unit. When the overdrive clutch is
applied, it drives the front carrier assembly by the overdrive
hub. When the low/reverse clutch is applied, it holds or prevents
the front carrier assembly from rotating.
Rear Sun Gear
The rear sun gear is located in the center of the rear carrier
assembly. There are two thrust bearings located on either side
of the sun gear. When the underdrive clutch is applied, it drives
the rear sun gear through the underdrive hub and shaft.
To Next Page
Loading...
Need help?
General
