Page 71 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)
P. 71

56







                                                                                (1)
                                                                                     TORQUE
                               (53)
                                  INPUT
                                                                                  ASSEMBLY
                                                                                   CONVERTER
                                 SUN GEAR
                                                                                                                    ➤
                                                                                                                        ➤     ➤        ➤      (1)  CONVERTER  TORQUE  POWER FROM  1
                                                                                                                               ➤  to roll.  disengaged, the output shaft is free to rotate allowing the vehicle  lugs on the output shaft assembly (70). With the park pawl  park pawl spring (501) releases the park pawl (502) from the  that the park lock actuator assembly (503) is disengaged. The  mechanical power flow is identical to Park (P) range, except  When the gear selector lever is placed in the Neutral (N) position,  * Applied with no load  ASSEMBLY  DIFFERENTIAL  APPLIED*  TO  CLUTCH  TERMINATED  REVERSE  POWERFLOW  LOW A
                                                                                 (2)
                                                                                        TORQUE
                                                                                    HOUSING
                                                                                  ASSEMBLY
                                                                                       CONVERTER
                                                                                                                     ➤
                                                                                     (WITH FLUID PUMP)
            (56)
                   4-5-6
                SHAFT)
               CLUTCH
             ASSEMBLY
                  (w/TURBINE


     Figure 51


                                                                                       (51)
                                                                                         ASSEMBLY
                                                                                            1-2-3-4 AND 3-5
                                                                                          REVERSE CLUTCH
                                                  CLUTCH
                                                    REVERSE
                                                 APPLIED*
                                                     LOW AND




                                                    (70)
                                                       SHAFT
                                                        OUTPUT
                                                     ASSEMBLY
                     (503)
                           PARK
                          PAWL
                        ACTUATOR
                       ASSEMBLY
                                                                                             (52)
                               (502)
                                  PARK
                                 PAWL
                                                                                                 INPUT
                                                                                                                                                  NO POWER
                                                                                                CARRIER
                                                                                              ASSEMBLY
                                                                                                                                                 TRANSMITTED
                              DISENGAGED
           * APPLIED BUT CARRYING NO LOAD









                                                                                                                        •
                                                                                                                  1
                                                                                                           2
                                                                                                  3

                                                                                                                                                 CLUTCH


                                                                                                                                                   3-5 REV.
                                                                                                                                                 CLUTCH
                                                                                                                      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.
                                                                                                                                                 CLUTCH
                                                                                                                                              APPLIED*
                                                                                                                                                   LOW & REV.
                                                                                                                                                    LOW
                                                                                                                                                 SPRAG
                                                                                                                                                  CLUTCH
                                                                                   need to be applied as another component releases.
                                                                                                  Low and Reverse Clutch Applied/Preparation for a Shift
                                                                                                          Without any clutches applied, or sprag clutches holding, the
                                                                                            shift timing as only one clutch will need to be applied to
                                                                                                                The turbine shaft with 4-5-6 clutch assembly (56) is driven
                                                                                              preparation for a shift into either 1st or reverse. This aids
                                                                                                The low and reverse clutch is applied in Neutral in
                                                                                                        turbine shaft with 4-5-6 clutch assembly (56) rotates freely
                                                                         Neutral range may be selected for starting the engine when
                                                                                                                        The manual shift shaft (508) and the manual valve (354) are
                                                                                     range, the design includes that only one component will
                                                                                       range 1st without engine braking. Also, in each forward
                                                                                          achieve either range. The 6 Speed RWD is designed to have
                                                                                         two components applied for each gear range, except drive
     56A
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