PLANET CARRIERS STATIONARY
REVERSE BAND APPLIED
REVERSE RING GEAR
INPUT SHAFT
OUTPUT SHAFT
REVERSE SUN GEAR
KICKDOWN RING GEAR
KICKDOWN SUN GEAR IDLING
KICKDOWN PLANET GEAR IDLING
POWER FLOW IN REVERSE
KICKDOWN
REVERSE
(LOW)
SERVO
SERVO
CLUTCH
THROTTLE
VALVE
KICKDOWN
SHIFT
CHAMBER
VALVE
KICKDOWN
VALVE
LINKAGE
MANUAL
VALVE
LDNR
CONVERTER
T.C.
CONTROL
VALVE
SECONDARY
REACTION
COOLER
AREA
GOV.
VALVE
PRIMARY
REACTION
AREA
WEIGHT
REGULATOR
VENT
VALVE
TO
LUB
REAR PUMP
FRONT PUMP
ASf02077
OIL FILTER
Figure 2-77.--Reverse (R) operating range.
timing devices are necessary to regulate the time of
of the transmission. For example, a device is needed
filling and venting the operating units.
that will cushion the application of the operating units
(clutches and servos) to prevent harsh engagement.
On some transmissions the manufacturer uses a
The device used by most manufacturers to cushion
device to prevent the transmission from being shifted
into reverse while the vehicle is moving forward. This
(time) the operating units is the shuttle valve. The
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