Page 72 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)

56
1
(1)
TORQUE
CONVERTER
POWER FROM
(1)
➤
TORQUE
(53)
ASSEMBLY
INPUT
CONVERTER
SUN GEAR
➤
➤
➤
➤
(2)
TORQUE
HOUSING
ASSEMBLY
CONVERTER
2
➤
(WITH FLUID PUMP)
TERMINATED
POWERFLOW
(56)
4-5-6
SHAFT)
CLUTCH
ASSEMBLY
(w/TURBINE
Figure 51
NEUTRAL
(Engine Running)
(51)
ASSEMBLY
3
1-2-3-4 AND 3-5
REVERSE CLUTCH
CLUTCH
CLUTCH
REVERSE
APPLIED*
REVERSE
LOW AND
LOW AND
APPLIED*
(70)
SHAFT
OUTPUT
ASSEMBLY
(503)
PARK
PAWL
ASSEMBLY
ACTUATOR
TO
(502)
(52)
PARK
PAWL
INPUT
NO POWER
ASSEMBLY
CARRIER
ASSEMBLY
DIFFERENTIAL
TRANSMITTED
DISENGAGED
* APPLIED BUT CARRYING NO LOAD
•
1
3
2
to roll.
1-2-3-4
CLUTCH
3-5 REV.
CLUTCH
* Applied with no load
in the Neutral position.
4-5-6
CLUTCH
by the converter turbine.
Powerflow Terminated
and powerflow is terminated.
2-6
CLUTCH
Power from Torque Converter
NEUTRAL
the vehicle is standing still or moving.
(Engine Running)
CLUTCH
APPLIED*
LOW & REV.
LOW
SPRAG
need to be applied as another component releases.
CLUTCH
Low and Reverse Clutch Applied/Preparation for a Shift
range, the design includes that only one component will
lugs on the output shaft assembly (70). With the park pawl
The manual shift shaft (508) and the manual valve (354) are
disengaged, the output shaft is free to rotate allowing the vehicle
Neutral range may be selected for starting the engine when
mechanical power flow is identical to Park (P) range, except
When the gear selector lever is placed in the Neutral (N) position,
park pawl spring (501) releases the park pawl (502) from the
that the park lock actuator assembly (503) is disengaged. The
The low and reverse clutch is applied in Neutral in
preparation for a shift into either 1st or reverse. This aids
turbine shaft with 4-5-6 clutch assembly (56) rotates freely
Without any clutches applied, or sprag clutches holding, the
The turbine shaft with 4-5-6 clutch assembly (56) is driven
two components applied for each gear range, except drive
range 1st without engine braking. Also, in each forward
shift timing as only one clutch will need to be applied to
achieve either range. The 6 Speed RWD is designed to have
56A