Page 60 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)
P. 60

50
                                                                                                                                                 1
                                                                               3
                                                                                                                                              THE ENGINE
                                                                                                                                               POWER FROM
                                                                              FLUID COUPLING
                                                                            DRIVES THE TURBINE
                                                      (1)
                                                       ASSEMBLY
                                                         TORQUE CONVERTER
                                            SPLINED TO
                                                          SPLINED TO
                                         TURBINE ASSEMBLY
                                          TORQUE CONVERTER
                                                       STATOR ASSEMBLY
                      (56)
                                                        TORQUE CONVERTER
                             4-5-6
                           CLUTCH
     Figure 45
                          ASSEMBLY
             ROTOR
                KEYED TO
                        (TURBINE SHAFT)
                                                                                                                                                         MECHANICAL POWERFLOW FROM
               FLUID PUMP
                                                                                                                                                  (Engine Running)
                                                                  4
                                                                 TURBINE
                                                               SHAFT DRIVEN
                                                                                                                                                         THE
                                                                                                                                                  2
                                                                                                                                                 POWER TO
                                                                                                                                                     TO THE TURBINE SHAFT
                                                                                                                                               DRIVE FLUID PUMP
                                                                                                                                                     2a
                                                                                                                                                DRIVEN
                                                                                                                                                   FLUID PUMP
                                                                                                                                                  ROTOR (217)
           (2)
               (WITH FLUID PUMP)
                 TORQUE CONVERTER
             HOUSING ASSEMBLY
                                                                                                                                                         TORQUE CONVERTER
                                                                                             2
                                                                                                   1
                                                                                       3
                                                                                4


                                                                                                                             the transmission.

                                                                           rotate at turbine speed.
                                                                                Turbine Shaft Driven
                                                 of torque converter apply.
                                                                                                   Power from the Engine
                                                                                             Power to Drive the Fluid Pump
                                                                                       Fluid Coupling Drives the Turbine
                                                                                                          of fluid throughout the transmission.
                                                                                                                                                  (Engine Running)

                                                                                                                                                    THE TURBINE SHAFT


                                                                                                                                                       THE TORQUE CONVERTER TO
                                                                                   coupling which in turn drives the torque converter turbine.
                                                                                         Therefore, the fluid pump rotor also rotates at engine speed.
                                                                                                                                                          MECHANICAL POWERFLOW FROM
                                                                                                the engine flywheel which is bolted to the engine crankshaft.
                                                                              As the torque converter turbine rotates, the turbine shaft (56),
                                                                            which is splined to the torque converter turbine, is also forced to
                                                       engine through the torque converter to the turbine shaft is
                                                     identical in all gear ranges except when the torque converter
                                                   clutch is applied (see pages 14 and 15 for complete explanation
                                                              NOTE:  To minimize the amount of repetitive text, the
                                                            remaining mechanical power flow descriptions will begin
                                                          with the turbine shaft (56).  The transfer of torque from the
                                                                                                                   requires a holding force to be applied to the clutches during
                                                                                                                 the various gear range operations. The torque converter (w/
                                                                                                                       requires a constant supply of pressurized fluid to cool and
                                                                                                                     lubricate all of the components throughout the unit. It also
                                                                                                  Torque from the engine is transferred to the transmission through
                                                                                           The fluid pump rotor (217) is keyed to the torque converter hub.
                                                                                                              fluid pump) housing assembly (2) and the control valve body
                                                                                                            assembly (21) provide for the pressurization and distribution
                                                                                                                          The Hydra-matic 6 Speed RWD automatic transmission
                                                                                                                                           begins at the point of connection between the torque converter
                                                                                                                                        and the engine flywheel.  When the engine is running, the
                                                                                     Transmission fluid inside the torque converter (1) creates a fluid
                                                                                                                                             The mechanical power flow in the Hydra-matic transmission
                                                                                                                                  torque and transmits it to the turbine shaft (56).  The turbine
                                                                                                                               shaft provides the primary link to the mechanical operation of
                                                                                                                                      torque converter cover (pump) is forced to rotate at engine
                                                                                                                                    speed.  As the torque converter rotates it multiplies engine
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