Page 68 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)

54
(51)
ASSEMBLY
➤
1-2-3-4 AND 3-5
REVERSE CLUTCH
(67)
CENTER
SUPPORT
ASSEMBLY
➤
INPUT
ASSEMBLY
APPLIED
CLUTCH
➤
3-5 REVERSE
➤
2
APPLIED
CLUTCH
REVERSE
LOW AND
GEAR
INPUT
DRIVING
INTERNAL
(52)
INPUT
DRIVEN
➤
CARRIER
ASSEMBLY
3
CLUTCH
APPLIED
(487)
3-5 REVERSE
DRIVING
(53)
HELD
INPUT
SUN GEAR
OUTPUT CARRIER
FRONT SUN GEAR
➤
(68)
HELD
OUTPUT
CARRIER
ASSEMBLY
5
APPLIED
CLUTCH
REVERSE
LOW AND
Figure 49
➤
GEAR
INPUT
DRIVING
INTERNAL
6
➤
(68)
HELD
OUTPUT
CARRIER
ASSEMBLY
➤
(56)
4-5-6
SHAFT)
➤ ➤ • ASSEMBLY ➤ DIFFERENTIAL ➤ ➤ POWER TO and also reverses the direction of input torque for a reverse gear ➤ ➤ shaft and rear axle. The planetary gearset operates in reduction ➤ torque converter and transmission gearsets to the vehicle’s drive DRIVEN (495) GEAR DRIVEN (52) (1) FRONT CONVERTER CARRIER TORQUE SPRAG OUTPUT POWER FROM CLUTCH 2a 1 LOW REVERSE
CLUTCH
ASSEMBLY
(w/TURBINE
7
GEAR
FRONT
CARRIER
OUTPUT
INTERNAL
➤
(70)
SHAFT
DRIVEN
OUTPUT
ASSEMBLY
(64)
2-6 AND
4
ASSEMBLY
3-5 REVERSE
CLUTCH HUB
SUN
(487)
CARRIER
DRIVING
1
5
4
6
3
7
2/2a
1-2-3-4
CLUTCH
engine braking.
APPLIED
CLUTCH
3-5 REV.
reverse direction.
in the Reverse position.
shaft but in reduction.
4-5-6
CLUTCH
ratio of approximately 3.064:1.
2-6
3-5 Reverse Clutch Applied
CLUTCH
driven by the converter turbine.
the output carrier assembly (68).
Power from Torque Converter
Output Carrier Assembly Held
REVERSE
Low and Reverse Clutch Applied
internal front gear in a reverse direction.
CLUTCH
APPLIED
LOW & REV.
Output Carrier Front Sun Gear Driving
drives the output carrier front sun gear (487).
Output Carrier Internal Front Gear Driven
and drive the output carrier front internal gear (495).
Input Internal Gear Driving/ 2a Input Carrier Driven
clutch sprag assembly (467) outer race which is splined to
With the low and reverse clutch holding the output carrier
assembly, the front pinion gears drive the output carrier
clutch housing, through the output carrier front sun gear and
to the front pinion gears. The pinion gears are in mesh with
The low and reverse clutch is applied and holds the low
The output carrier internal front gear is splined to the output
input carrier faster than engine speed is driving the turbine
shaft. The engine then works as a brake, slowing the
transmission down to input speed. This is referred to as
shaft assembly (70), thus the output shaft is also driven in a
When the throttle is released in Reverse, power from the
vehicle (output shaft) drives through the output carrier and
The power flows through the turbine shaft into the 4-5-6
clutch housing which contains the input internal gear. The
input internal gear drives the input carrier pinion gears which
In Reverse (R), torque from the engine is multiplied through the
The manual shift shaft (508) and the manual valve (354) are
The turbine shaft with the 4-5-6 clutch assembly (56) is
rotate around the stationary input sun gear (53) thus driving
The 3-5 reverse clutch plates (402-403) are applied and hold
the 2-6 and 3-5 reverse clutch hub assembly (64), which
Engine torque is transferred from the 1-2-3-4 and 3-5 reverse
the input carrier assembly (52) in reduction. The input carrier
is splined to the 1-2-3-4 and 3-5 reverse clutch assembly
(51), which is rotating in the same direction as the turbine
54A